Product Description
DETA
ZheJiang Leicester Bearing Technology Co., Ltd. is a specialized manufacturer that produces various types of bearings, including cylindrical roller bearings (7 series, 97 series, 3007 series, 20097 series), British standard tapered roller bearings, deep groove ball bearings, spherical plain bearings, self-aligning roller bearings, rolling mill bearings, and a variety of non-standard bearings.
At our core, we believe in “Quality, Creating Value,” and we have gained the trust and support of customers both domestically and internationally by delivering high-quality products.
In 2002, we received certification from the China Import and Export Product Quality Verification Center and obtained ISO 9001, ISO 2000, and IATF 16949 quality management system certifications. Our successful collaborations with renowned domestic and international enterprises have made us reliable and stable suppliers. Moreover , we have provided bearing components to well-known bearing manufacturers worldwide.
PRODUCT OVERVIEW
| Bearing Number | Dimensions (mm) | Weight (KG) | |||
| New | Old | ||||
| d | D | B | Kg | ||
| 71820 | 1036820 | 100 | 125 | 13 | 0.309 |
| 71821 | 1036821 | 105 | 130 | 13 | 0.505 |
| 71822 | 1036822 | 110 | 140 | 16 | 0.505 |
| 71824 | 1036824 | 120 | 150 | 16 | 0.568 |
| 71828 | 1036828 | 140 | 175 | 18 | 0.93 |
| 71832 | 1036832 | 160 | 200 | 20 | 1.32 |
| 71834 | 1036834 | 170 | 215 | 22 | 1.87 |
| 71836 | 1036836 | 180 | 215 | 22 | 2.45 |
| 71840M | 1036840H | 220 | 250 | 24 | 2.69 |
| 71844M | 1036844H | 260 | 270 | 24 | 2.68 |
| 71852M | 1036852H | 300 | 320 | 28 | 4.85 |
| 71860M | 1036860H | 320 | 380 | 38 | 11.1 |
| 71864M | 1036864H | 360 | 400 | 38 | 11.8 |
| 71872M | 1036872H | 380 | 440 | 38 | 20.5 |
| 71876M | 1036876H | 400 | 480 | 46 | 20.5 |
| 71880M | 1036880H | 440 | 500 | 46 | 21.7 |
| 71888M | 1036888H | 460 | 540 | 46 | 23.6 |
| 71892M | 1036892H | 100 | 580 | 56 | 33.5 |
| 71920CTA | 1036920 | 105 | 140 | 20 | 0.016 |
| 71921CTA | 1036921 | 110 | 145 | 20 | 0.016 |
| 71922CTA | 1036922 | 120 | 150 | 20 | 0.016 |
| 71924C | 1 0571 4 | 120 | 165 | 22 | 0.016 |
| 71924CM | BI036924 | 120 | 165 | 22 | 0.016 |
| 71924CTA | 1036924 | 130 | 165 | 22 | 0.016 |
| 71926CTA | 1036926 | 140 | 180 | 24 | 0.016 |
| 71928CTA | 1036928 | 150 | 190 | 24 | 0.016 |
| 71930CTA | 1036930 | 160 | 210 | 28 | 0.016 |
| 71932CTA | 1036932 | 170 | 220 | 28 | 0.016 |
| 71934CTA | 1036934 | 180 | 230 | 28 | 0.016 |
| 71936CM | 180 | 250 | 33 | 5.29 | |
| 71936CTA | 1036936 | 190 | 250 | 33 | 5.29 |
| 71938CTA | 1036938 | 190 | 260 | 33 | 5.29 |
| 71938AC | B1346938 | 200 | 260 | 66 | 5.29 |
| 71940CTA | 1036940 | 260 | 280 | 38 | 5.29 |
| 71952B | 260 | 360 | 46 | 5.29 | |
| 71952AC | 260 | 360 | 46 | 13.8 | |
| 71952M/YA | 280 | 360 | 46 | 13.8 | |
| 71956AC | 380 | 380 | 46 | 15.7 | |
| 71976B | 520 | 65 | 42.1 | ||
Angular Contact Ball Bearings can withstand both radial and axial loads. Can work at higher speeds. The larger the contact angle, the higher the axial load carrying capacity. The contact angle is the angle between the line connecting the contact point of the ball and the raceway in the radial plane and the vertical line of the bearing axis. High precision and high speed bearings typically take a 15 degree contact angle. Under the axial force, the contact angle will increase.
high precision paired angular contact ball bearings
Angular contact ball bearings have raceways on the inner and outer rings, and the inner and outer rings can be displaced relative to each other along the axial direction of the bearing. These bearings are particularly suitable for withstanding CZPT loads, ie loads acting simultaneously in both radial and axial directions. The axial load bearing capacity of the angular contact ball bearing increases as the contact angle α increases. The contact angle is the angle between the line connecting the contact point of the ball and the raceway in the radial plane and the vertical line of the bearing axis.
hhigh precision paired angular contact ball bearings
Detailed Photos
OUR PRODUCTS
SCOPE OF APPLICATION
PRODUCTION PROCESS
PRODUCT PACKAGING
1.industrial packing+industrial cartons+pallets
2.single brand box+brand cartons+pallets
3.follow customer’s requests
A.Plastic Tubes or Single Boxes ( Usually 10pcs in 1 plastic tube for steel bearings);
B.Cartons ( No more than 30kg for 1 carton );
C. Pallet ( Usually more than 400kg totally will use pallet )
D. Delivery time :7-35 days ( by sea or by air )
Generally,We will choose the most suitable packing method for products. If you have any special requirements for packing, please contact us in advance.
Company Profile
“Reliable quality, competitive prices, and excellent service” have always been our guiding principles. We have implemented a stringent quality control system, starting from raw material procurement to product manufacturing. Our company boasts a strong technical team, well-equipped testing facilities, and a robust ability to develop new products. With a commitment to delivering high-quality products and maintaining a good reputation, we aim to earn the trust of more customers.
ZheJiang Leicester Bearing Technology Co., Ltd. warmly welcomes both new and existing customers for discussions, guidance, and collaboration. We are eager to establish direct sales partnerships with businesses in various industries, both within the country and internationally.
As we embrace our dreams and uphold our values, honesty remains the foundation of our company. ZheJiang Leicester Bearing Technology Co., Ltd. looks forward to creating a bright future together with you!
OUR STRENGTHS
Q1: Can I get some samples?
A: Yes, sample order is available for quality check and market test. But you have to pay the sample cost and express cost. Q2
: Do you receive customized order?
A: Yes, ODM & OEM are welcomed.
Q3: What’s the lead time?
A: According to the order quantity, small order usually need 3-5 days, big order need negotiation.
Q4: What’s your payment terms?
A: We receive Escrow, T/T, West Union, Cash and etc.
| Contact Angle: | 15° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 0.1/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What you should know about bushings
If you are in the market for a casing, there are a few things you should know before buying. First, a bushing is a mechanical part with a rotating or sliding shaft part. You can find them in almost all industrial applications due to their excellent load-carrying capacity and anti-friction properties. They are especially important in construction, mining, agriculture, hydropower, material handling, and more.
Casing application
The casing market is mainly driven by the growth of the power generation industry. The increasing electrification of Asia Pacific and the deployment of renewable energy in countries such as Saudi Arabia and the UAE are driving the demand for distribution transformer bushings. In addition, the demand for bushings in Western Europe is also likely to increase with the spread of renewable energy and the installation of electric vehicle charging infrastructure. However, the market in Asia Pacific is expected to remain small compared to the rest of the world.
Although bushings are relatively expensive, they are very durable and cost-effective. Furthermore, bushings have a variety of applications, making them an important component in power transformers. For example, power transformers often use bushings to achieve relative movement by sliding or rolling. The vehicle suspension system also uses rubber bushings for a smooth ride and rotating bushings for machine-related operations. They require precision machined parts and are especially useful in applications where high loads and friction must be controlled. Also, plastic bushings are used for wheels in dry kilns, where lubrication is often troublesome.
Transformers require constant monitoring, which is one of the reasons bushings are so important in power transformers. Any failure of these components could result in the total loss of the transformer and all surrounding equipment. To maintain high system reliability, utilities must monitor insulation in and around bushings, especially if transformers have been in use for decades. Some utilities have made monitoring the condition of their transformers an important part of their smart grid plans.
Material
The core of the dry casing has many material interfaces. The discharge most likely originates near the edges of the foils and can cause electrical tree growth or breakdown between adjacent foils. Several studies have investigated interfacial effects in composite insulating materials and concluded that the conditions under which the interface occurs is a key factor in determining the growth of electrical trees. This study found that material type and interface conditions are the two most important factors for the growth of electrical trees.
Bushings can be made of many different materials, depending on their purpose. The main purpose of the bushing is to support the assembly while protecting it. They must be stiff enough to support the load placed on them, and flexible enough to protect the shaft. Since the shaft is usually not centered on the bushing during rotation, the bushing must be durable enough to carry the load while still protecting the shaft. Here are several materials used for bushings:
A stabilizer bar assembly is a good example of pre-assembly. This pre-assembly enables the vehicle assembly plant to receive components ready for vehicle assembly. The prior art requires the vehicle assembly plant to separate the bushing from the stabilizer bar. However, the present invention eliminates this step and provides a mechanically rigid stabilizer bar assembly. It is designed to prevent audible squeals and improve vehicle performance and handling.
Hardened steel bushings are ideal for pivot and low speed applications. They are made of high carbon steel and fully hardened to 56-62 HRC. Bronze bushings require daily or weekly lubrication but are more expensive than plastic bushings. Plastic bushings are low cost, low maintenance, self lubricating and do not require regular lubrication. These are also suitable for applications with hard to reach parts.
application
Bushings have many applications in various industries. Most of the time, it is used for drilling. Its excellent chemical and mechanical properties can be used to protect various equipment. These components are versatile and available in a variety of materials. All sleeves are packaged according to national and international standards. They are used in many industrial processes from construction to drilling. Some application examples are listed below.The component 10 may contain a tank for a liquid such as fuel, and the object 12 may be made of fiber reinforced composite material. Sleeve assembly 16 is configured to ground component 10 and object 12 . It may be a bulkhead isolator 40 used to isolate electrical charges in aircraft hydraulic lines. Bushing assembly 16 is one of many possible uses for the bushing assembly. The following examples illustrate various applications of bushing assemblies.
Bearings are devices used to reduce friction between moving surfaces. They are a good choice for many applications as they are maintenance free and extend the life of machine components. They can be used in a variety of applications and are often used with plastic and metal materials. For example, Daikin offers bronze and brass bushings. Bushings have many other uses, but they are most commonly used in machines, especially when used in low-load environments.
The most common application for bushings is drilling. Swivel bushings can be used in almost any drilling application. For more complex applications, CZPT’s engineering department can create special designs to your specifications. The applications of bushings in machining centers are endless. By providing a smooth, reliable interface, bushings are an excellent choice for precision machining. They can also provide current paths.
Cost
When you have a vehicle that needs a bushing replacement, you may be wondering about the cost of a bushing replacement. The fact is, the cost of a bushing replacement will vary widely, depending on the specific car model. Some cars cost as little as $5, while other vehicles can cost up to $300. The replacement of a control arm bushing may not cost that much, but it’s important to know that it’s a relatively expensive part to replace.
Most mechanics charge around $375 for a job that involves replacing the bushing in a control arm. However, this price range can vary significantly, depending on whether the mechanic uses OE or aftermarket parts. In any case, the cost of labor is typically included in the price. Some mechanics may even include a labor charge, which is an additional cost. In general, however, the cost of a control arm bushing replacement is comparable to the cost of replacing a single bushing.
Control arm bushings are made of two metal cylinders secured together by a thick layer of rubber. Over time, these parts can deteriorate due to accidents, potholes, and off-roading. For this reason, it is important to replace them as soon as possible. Bushing replacement can save you money in the long run, and it’s important to have your vehicle repaired as soon as possible. If your control arm bushing is showing signs of wear, you should have it replaced before it becomes completely useless.
If you have decided to replace your suspension bushing yourself, the cost will be considerably lower than you would spend on the replacement of other components. If you have a mechanically-inclined mechanic, you can do it yourself. The parts and labour are reasonably cheap, but the most expensive part is the labor. Because it requires disassembling the wheel and suspension and installing a new bushing, it is important to have a mechanic who has a good understanding of vehicle mechanicry. The cost for control arm bushing replacement is between $20 and $80 per bushing, and a set of four costs approximately $300.
Disambiguation
If you’ve come across a page containing information about Bushing, you may have been looking for more information. This disambiguation page lists publications about the person, but these have not been assigned to him. We encourage you to contact us if you know who the true author of these publications is. Nevertheless, if you’re searching for specific information about Bushing, we recommend you start with CZPT.
editor by CX 2023-11-15
China Hot selling 7302c/7303c Angular Contact Ball Bearing for Machinery Part with Hot selling
Product Description
Product Description
Angular contact ball bearings can withstand radial and axial loads. CZPT to operate at higher rotational speeds. Angular contact ball bearings include 3 types: 7000C, 7000AC, and 7000B. Single row angular contact ball bearings can be used for machine tool spindles, high-frequency motors, gas turbines, centrifugal separators, small car front wheels, booster pumps, drilling platforms, food machinery, and so on.
Product Feature:
1. Low friction coefficient, low noise, and low vibration.
2. High precision manufacturing process with high rotational speed.
3. Easy to install.
4. Low maintenance frequency and long service life.
Product details:
Open type:No seal and can directly see steel balls. Low noise, high speed, suitable for sealed. environments, such as gearbox.
Metal seal:The sealing material is stainless steel, which can effectively prevent foreign matter and debris from entering the bearing and causing internal damage to the bearing.
Rubber seal:Excellent dust proof and waterproof effect. Suitable for using in harsh environmen.
Product parameters
| Bearing No. | Shape Dimension(mm) | (KN) Basic rated load |
Max Speed(rpm) | Weight(Kg) | ||||
| d | D | B | Cr | Cor | Grease | oil | ||
| Single row angular contact ball bearing | ||||||||
| 7200C | 10 | 30 | 9 | 5.8 | 2.90 | 22000 | 28000 | 0.032 |
| 7200AC | 10 | 30 | 9 | 5.5 | 2.80 | 22000 | 28000 | 0.032 |
| 7200B | 10 | 30 | 9 | 5.3 | 2.70 | 19000 | 27000 | 0.03 |
| 7300C | 10 | 35 | 11 | 9.8 | 4.69 | 18000 | 26000 | 0.053 |
| 7300AC | 10 | 35 | 11 | 9.5 | 4.40 | 18000 | 26000 | 0.053 |
| 7201C | 12 | 32 | 10 | 7.90 | 3.80 | 20000 | 25000 | 0.037 |
| 7201AC | 12 | 32 | 10 | 7.6 | 3.60 | 20000 | 25000 | 0.037 |
| 7201B | 12 | 32 | 10 | 6.90 | 3.20 | 18000 | 24000 | 0.036 |
| 7301C | 12 | 37 | 12 | 11.8 | 5.60 | 17000 | 24000 | 0.060 |
| 7301AC | 12 | 37 | 12 | 11.50 | 5.40 | 17000 | 24000 | 0.060 |
| 7301B | 12 | 37 | 12 | 10.5 | 4.90 | 16000 | 22000 | 0.060 |
| 7202C | 15 | 35 | 11 | 9.2 | 4.90 | 17000 | 22000 | 0.045 |
| 7202AC | 15 | 35 | 11 | 8.90 | 4.80 | 17000 | 22000 | 0.045 |
| 7202B | 15 | 35 | 11 | 7.9 | 4.20 | 16000 | 22000 | 0.045 |
| 7302C | 15 | 42 | 13 | 13.2 | 6.70 | 15000 | 21000 | 0.084 |
| 7302AC | 15 | 42 | 13 | 12.5 | 6.20 | 15000 | 21000 | 0.084 |
| 7302B | 15 | 42 | 13 | 12.4 | 6.50 | 14000 | 19000 | 0.080 |
| 7203C | 17 | 40 | 12 | 10.8 | 5.80 | 15000 | 20000 | 0.062 |
| 7203AC | 17 | 40 | 12 | 10.4 | 5.60 | 15000 | 20000 | 0.062 |
| 7203B | 17 | 40 | 12 | 9.9 | 5.50 | 14000 | 19000 | 0.065 |
| 7303C | 17 | 47 | 14 | 15.7 | 8.20 | 13000 | 19000 | 0.110 |
| 7303AC | 17 | 47 | 14 | 15.0 | 7.70 | 13000 | 19000 | 0.110 |
| 7303B | 17 | 47 | 14 | 15.4 | 8.10 | 13000 | 17000 | 0.110 |
| 7204C | 20 | 47 | 14 | 14.5 | 8.10 | 13000 | 18000 | 0.100 |
| 7204AC | 20 | 47 | 14 | 14.0 | 7.80 | 13000 | 18000 | 0.100 |
| 7204B | 20 | 47 | 14 | 13.4 | 7.60 | 12000 | 16000 | 0.110 |
| 7304C | 20 | 52 | 15 | 18.4 | 9.80 | 12000 | 17000 | 0.150 |
| 7304AC | 20 | 52 | 15 | 17.9 | 9.60 | 12000 | 17000 | 0.150 |
| 7304B | 20 | 52 | 15 | 17.3 | 9.6000 | 11000 | 15000 | 0.140 |
| 7205C | 25 | 52 | 15 | 16.5 | 10.00 | 11000 | 16000 | 0.120 |
| 7205AC | 25 | 52 | 15 | 15.8 | 9.70 | 11000 | 16000 | 0.120 |
| 7205B | 25 | 52 | 15 | 14.8 | 9.30 | 10000 | 14000 | 0.130 |
| 7305C | 25 | 62 | 17 | 27.8 | 15.90 | 9500 | 14000 | 0.230 |
| 7305AC | 25 | 62 | 17 | 27.0 | 15.90 | 9500 | 14000 | 0.230 |
| 7305B | 25 | 62 | 17 | 24.3 | 14.10 | 9000 | 13000 | 0.230 |
| 7206C | 30 | 62 | 16 | 23.0 | 14.70 | 9000 | 13000 | 0.190 |
| 7206AC | 30 | 62 | 16 | 22.1 | 13.50 | 9000 | 13000 | 0.190 |
| 7206B | 30 | 62 | 16 | 20.5 | 13.50 | 8500 | 12000 | 0.200 |
| 7306C | 30 | 72 | 19 | 33.2 | 21.20 | 8500 | 12000 | 0.350 |
| 7306AC | 30 | 72 | 19 | 32.8 | 20.40 | 8500 | 12000 | 0.350 |
| 7306B | 30 | 72 | 19 | 29.3 | 18.10 | 8000 | 11000 | 0.340 |
| 7207C | 35 | 72 | 17 | 30.3 | 20.00 | 8000 | 11000 | 0.280 |
| 7207AC | 35 | 72 | 17 | 29.2 | 18.00 | 8000 | 11000 | 0.280 |
| 7207B | 35 | 72 | 17 | 28.3 | 14.80 | 7500 | 10000 | 0.280 |
| 7307C | 35 | 80 | 21 | 40.3 | 25.80 | 7500 | 10000 | 0.470 |
| 7307AC | 35 | 80 | 21 | 38.2 | 24.90 | 7500 | 10000 | 0.470 |
| 7307B | 35 | 80 | 21 | 38.3 | 24.40 | 7000 | 9500 | 0.450 |
| 7208C | 40 | 80 | 18 | 38.4 | 26.30 | 7500 | 10000 | 0.370 |
| 7208AC | 40 | 80 | 18 | 36.8 | 25.40 | 7500 | 10000 | 0.370 |
| 7208B | 40 | 80 | 18 | 34.5 | 23.80 | 6700 | 9000 | 0.420 |
| 7308C | 40 | 90 | 23 | 49.3 | 32.30 | 6700 | 9000 | 0.660 |
| 7308AC | 40 | 90 | 23 | 47.0 | 31.10 | 6700 | 9000 | 0.660 |
| 7308B | 40 | 90 | 23 | 46.5 | 29.50 | 6300 | 8500 | 0.630 |
| 7209C | 45 | 85 | 19 | 40.4 | 29.30 | 6700 | 9000 | 0.410 |
| 7209AC | 45 | 85 | 19 | 38.6 | 28.10 | 6700 | 9000 | 0.410 |
| 7209B | 45 | 85 | 19 | 34.0 | 24.60 | 6300 | 8500 | 0.420 |
| 7309C | 45 | 100 | 25 | 63.1 | 42.90 | 6000 | 8000 | 0.860 |
| 7309AC | 45 | 100 | 25 | 61.6 | 41.20 | 6000 | 8000 | 0.860 |
| 7309B | 45 | 100 | 25 | 59.6 | 39.60 | 5600 | 7500 | 0.850 |
| 7210C | 50 | 90 | 20 | 42.80 | 31.30 | 6300 | 8500 | 0.460 |
| 7210AC | 50 | 90 | 20 | 40.8 | 30.10 | 6300 | 8500 | 0.460 |
| 7210B | 50 | 90 | 20 | 40.4 | 25.60 | 5600 | 8000 | 0.470 |
| 7310C | 50 | 110 | 27 | 74.9 | 50.90 | 5600 | 7500 | 1.080 |
| 7310AC | 50 | 110 | 27 | 71.9 | 48.50 | 5000 | 7500 | 1.080 |
| 7310B | 50 | 110 | 27 | 68.1 | 48.00 | 5600 | 6700 | 1.100 |
| 7211C | 55 | 100 | 21 | 53.2 | 39.90 | 5600 | 7000 | 0.610 |
| 7211AC | 55 | 100 | 21 | 50.8 | 38.20 | 5600 | 7000 | 0.610 |
| 7211B | 55 | 100 | 21 | 46.3 | 36.00 | 5300 | 7000 | 0.620 |
| 7311C | 55 | 120 | 29 | 86.4 | 59.50 | 5000 | 6700 | 1.420 |
| 7311AC | 55 | 120 | 29 | 83.4 | 58.00 | 5000 | 3700 | 1.420 |
| 7311B | 55 | 120 | 29 | 82.2 | 56.20 | 4500 | 6300 | 1.400 |
| 7212C | 60 | 110 | 22 | 61.0 | 48.20 | 5300 | 7000 | 0.800 |
| 7212AC | 60 | 110 | 22 | 58.1 | 46.00 | 5300 | 7000 | 0.800 |
| 7212B | 60 | 110 | 22 | 56.1 | 44.30 | 4800 | 6300 | 0.800 |
| 7312C | 60 | 130 | 31 | 98.6 | 68.50 | 4800 | 6300 | 1.710 |
| 7312AC | 60 | 130 | 31 | 95.2 | 67.20 | 4800 | 6300 | 1.710 |
| 7312B | 60 | 130 | 31 | 91.5 | 65.40 | 4300 | 5600 | 1.750 |
| 7213C | 65 | 120 | 23 | 69.8 | 54.50 | 4800 | 6300 | 1.000 |
| 7213AC | 65 | 120 | 23 | 66.6 | 52.10 | 4800 | 6300 | 1.000 |
| 7213B | 65 | 120 | 23 | 65.7 | 50.20 | 4300 | 6000 | 1.000 |
| 7313C | 65 | 140 | 33 | 113.1 | 79.60 | 4300 | 5600 | 2.230 |
| 7313AC | 65 | 140 | 33 | 109.3 | 78.30 | 4300 | 5600 | 2.230 |
| 7313B | 65 | 140 | 33 | 102.3 | 75.30 | 3800 | 5300 | 2.150 |
| 7214C | 70 | 125 | 24 | 72.8 | 59.70 | 4500 | 5800 | 1.100 |
| 7214AC | 70 | 125 | 24 | 69.4 | 57.00 | 4500 | 5800 | 1.100 |
| 7214B | 70 | 125 | 24 | 70.4 | 56.30 | 4000 | 5600 | 1.100 |
| 7314C | 70 | 150 | 35 | 126.0 | 91.60 | 4000 | 5300 | 2.670 |
| 7314AC | 70 | 150 | 35 | 118.8 | 88.20 | 4000 | 5300 | 2.670 |
| 7314B | 70 | 150 | 35 | 114.6 | 85.90 | 3600 | 5000 | 2.650 |
| 7215C | 75 | 130 | 25 | 79.2 | 65.60 | 4300 | 5600 | 1.200 |
| 7215AC | 75 | 130 | 25 | 75.3 | 62.80 | 4300 | 5600 | 1.200 |
| 7215B | 75 | 130 | 25 | 68.6 | 58.20 | 3800 | 5300 | 1.200 |
| 7315C | 75 | 160 | 37 | 140.7 | 103.90 | 3800 | 5000 | 3.100 |
| 7315AC | 75 | 160 | 37 | 134.4 | 99.80 | 3800 | 5000 | 3.100 |
| 7315B | 75 | 160 | 37 | 127.7 | 95.40 | 3400 | 4800 | 3.200 |
| 7216C | 80 | 140 | 26 | 92.5 | 66.20 | 4000 | 5300 | 1.450 |
| 7216AC | 80 | 140 | 26 | 91.3 | 65.10 | 4000 | 5300 | 1.450 |
| 7216B | 80 | 140 | 26 | 78.7 | 65.70 | 4000 | 5300 | 1.450 |
| 7316C | 80 | 170 | 39 | 156.1 | 112.20 | 3600 | 4800 | 3.600 |
| 7316AC | 80 | 170 | 39 | 149.5 | 107.70 | 3600 | 4800 | 3.600 |
| 7316B | 80 | 170 | 39 | 141.4 | 107.90 | 3200 | 4800 | 3.800 |
| 7217C | 85 | 150 | 28 | 99.7 | 84.60 | 3800 | 5000 | 1.800 |
| 7217AC | 85 | 150 | 28 | 94.9 | 80.80 | 3800 | 5000 | 1.800 |
| 7217B | 85 | 150 | 28 | 83.2 | 74.10 | 3600 | 5000 | 1.850 |
| 7317C | 85 | 180 | 41 | 160.7 | 130.50 | 3400 | 4500 | 4.380 |
| 7317AC | 85 | 180 | 41 | 154.3 | 122.30 | 3400 | 4500 | 4.380 |
| 7317B | 85 | 180 | 41 | 155.8 | 120.90 | 3000 | 4000 | 4.450 |
Our Advantages
1. Professional suppliers. We are 1 of the largest bearing suppliers in China. In addition to the products produced by our own factory, we also have a stable product supply chain to provide all types of bearings.
2. Quality assurance. We produce and provide industry standard bearings with high-precision manufacturing processes, and can customize bearings according to customer needs.
3. Professional team. In terms of production research, we have sufficient technical talents to support the product production line and ensure product quality; In terms of sales, we have professional and enthusiastic service personnel to ensure the sales and after-sales service of our products, and to ensure the stability and durability of our cooperative relationship.
4. Fast delivery. Our factory has professional and responsible production staff who can provide the shortest delivery time that customers are satisfied with.
Packaging and shipping
| Packaging | 1)Original package 2) Single box + outer carton 3)Tube package + outer carton 4)Customized according to customer needs |
| Shipping | 1)Ocean shipping 2)Air transport 3)Select according to customer needs |
Company Profile
Our company’s leading products include Deep Groove Ball Bearing, tapered roller bearings, external spherical bearings, self-aligning ball bearings, self-aligning roller bearings, cylindrical roller bearings, thrust ball bearings and automobile non-standard bearings, stainless steel bearings, various needle bearings, inch bearings, non-standard bearings, special bearings and other series of varieties, as well as world famous brand imported bearing products.
With the advantages of reasonable price, excellent quality, and short delivery time, the company’s products have been exported to more than 50 countries and regions in the world, such as Europe, the Americas, Australia, and Africa. In addition to having its own production base, the company also has more than 500 cooperative factories to meet the various needs of different customers.
Our factory and productions
DNT Bearing is a comprehensive bearing manufacturing and service provider with world leading bearing manufacturing processes and management technologies in China. We sell a variety of bearing products with international standards and technical levels of low noise, high load, high accuracy, and long service life. We have cooperation with many internationally renowned bearing enterprises, welcome to consult!
FAQ
1.What is the competitiveness of your company’s products compared to other companies?
High precision, high speed, low noise and longer service life.
2.Are you a Manufacturer or trading company?
We are professional manufactuer of bearings with ISO standards.
3.Can I get a sample to check out the quality?
Sure, free samples are available for stock products if you can pay for the shipping cost.
4.Can you do OEM to print my logo/brand on the products?
Yes, we can print your logo/brand on the products, you just need to send us your logo/brand files, we will show you how it looks like.We can also make custom package to your request.
5.How soon can I expect my order to be finished?
We have regular stock for standard bearings that can be shipped right after your payment. It will take 15-60 days for new production order,which depends on your order quantity.
6.What if I receive defective products for my order?
All our bearings are 100% inspected strictly before packing. If any defective products received, please provide photos and video to show us the problem and help us improve the quality. New products will be sent to you as replacement if the probelm is product quality.
| Contact Angle: | 15°/25°/45° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 2.99/Piece
1 Piece(Min.Order) | Order Sample Chrome Steel
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| Customization: |
Available
| Customized Request |
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Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?
Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:
- Unusual Noise:
If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.
- Vibration:
Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.
- Increased Temperature:
Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.
- Irregular Movement:
If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.
- Reduced Performance:
If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.
- Visible Wear or Damage:
Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.
- Leakage or Contamination:
If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.
- Looseness or Excessive Play:
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
- Reduced Lifespan:
If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.
- Frequent Failures:
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.
It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.
What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?
Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:
- Effective Sealing:
Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.
- Clean Environment:
Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.
- Proper Handling:
Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.
- Clean Tools and Equipment:
Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.
- Contamination-Controlled Workstations:
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
- Proper Lubrication:
Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.
- Regular Inspections:
Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.
- Training and Education:
Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.
- Environmental Controls:
In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.
- Regular Cleaning and Maintenance:
Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.
- Selection of Suitable Bearings:
Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.
By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.
What are the Different Components that Make up a Typical Ball Bearing?
A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:
- Outer Ring:
The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.
- Inner Ring:
The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.
- Balls:
The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.
- Cage or Retainer:
The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.
- Seals and Shields:
Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.
- Lubricant:
Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.
- Flanges and Snap Rings:
In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.
- Raceways:
Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.
- Anti-Friction Shield:
In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.
These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.
editor by CX 2023-11-13
China OEM Furniture Fittings Ball Bearing (ML-AV021) with Hot selling
Product Description
Product Description
1. Item No.: as shown in the picture.
2. Material: steel/zinc/aluminum/plastic bracket + ball bearing / needle bearing wheel
3. For some models, the height of the roller is adjustable.
4. Color of the wheel: red, green, white, orange, etc.
5. Application: sliding door and window, binds, rolling shutters, furniture, conveyor belt, etc.
6. Normal packing: poly bag + outer carton
About us
Our factory is specialized in manufacturing non-standard bearing, plastic and metal pulley, bracket pulley, roller, door and window fittings, etc. Relying on a series of advanced processing equipments, skilled workers, strict inspection system, and organized management, we are CZPT to provide good-quality products with competitive price.
Product Categories
Contact Us:
HangZhou CZPT Pulley Manufacture Co., Ltd.
WEB: http://nbminli /
ADDRESS: No.9 CZPT Road, CZPT Industrial Zone, Xihu (West Lake) Dis. District, HangZhou, China
FAQ
Q: How to get a quotation and start business relationship with your company?
A: Please send us email and our sales representive will contact you as soon as we receive your email.
Q: How to receive a quotaion in the shortest time?
A: When you send us an enquiry, please try to provide more details, such as product size, photo or drawing, order quantity, etc.
Q: How to start an OEM project with your company?
A: Please send us your designed drawings or original samples so that we can offer a quotation first. If all details are confirmed, we will arrange sample production once received your deposit .
Q: What’s your MOQ?
A: The MOQ depends on the design and production processes of the products. Nomally our company MOQ is 10000pc , but it can be much more or less depending on different product types. Therefore, we recommend you to tell us your required quantity first.
Q:How long can I receive an order?
A: That depends on the specific items and your order quantity. The lead time varies from 30 to 90 days.
Why choose us
1. Professional experience: almost 20 years’ expenience in non-standard bearings, rollers, pulleys, and other plastic accessories for door and window.
2. Popular over the world: over 20 market countries.
3. Advantage: good quality with competitive price.
4. OEM offered: technical drawings, samples or photos are needed.
For more information, please visit http://nbminli /
| Separated: | Separated |
|---|---|
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Outer Ring Material: | Nylon |
| Outer Ring Shape: | V Shape |
| Diameter: | 26 mm |
| Samples: |
US$ 0.5/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
| Customized Request |
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How to Replace a Bearing
If you want to select a bearing for a specific application, you should know a few basics. This article will give you an overview of ball, angular contact, and sliding-contact bearings. You can choose a bearing according to the application based on the characteristics of its material and preload. If you are not sure how to choose a bearing, try experimenting with it. The next step is to understand the Z-axis, which is the axes along which the bearing moves.
Z axis
When it comes to replacing your Z axis bearing, there are several things you must know. First, you need to make sure that the bearings are seated correctly. Then, you should check the tension and rotation of each one. To ensure that both bearings are equally tensioned, you should flex the Core to the desired angle. This will keep the Z axis perpendicular to the work surface. To do this, first remove the Z axis bearing from its housing and insert it into the Z axis motor plate. Next, insert the flanged bearing into the Z axis motor plate and secure it with two M5x8mm button head cap screws.
Make sure that the bearing plate and the Z Coupler part are flush and have equal spacing. The spacing between the two parts is important, as too much spacing will cause the leadscrew to become tight. The screws should be very loose, with the exception of the ones that engage the nylocks. After installing the bearing, the next step is to start the Z axis. Once this is done, you’ll be able to move it around with a stepper.
Angular contact
Ball bearings are made with angular contacts that result in an angle between the bearing’s races. While the axial load moves in one direction through the bearing, the radial load follows a curved path, tending to separate the races axially. In order to minimize this frictional effect, angular contact bearings are designed with the same contact angle on the inner and outer races. The contact angle must be chosen to match the relative proportions of the axial and radial loads. Generally, a larger contact angle supports a higher axial load, while reducing radial load.
Ball bearings are the most common type of angular contact bearings. Angular contact ball bearings are used in many applications, but their primary purpose is in the spindle of a machine tool. These bearings are suitable for high-speed, precision rotation. Their radial load capacity is proportional to the angular contact angle, so larger contact angles tend to enlarge with speed. Angular contact ball bearings are available in single and double-row configurations.
Angular contact ball bearings are a great choice for applications that involve axial loads and complex shapes. These bearings have raceways on the inner and outer rings and mutual displacement along the axial axis. Their axial load bearing capacity increases as the contact Angle a rises. Angular contact ball bearings can withstand loads up to five times their initial weight! For those who are new to bearings, there are many resources online dedicated to the subject.
Despite their complexity, angular contact ball bearings are highly versatile and can be used in a wide range of applications. Their angular contact enables them to withstand moderate radial and thrust loads. Unlike some other bearings, angular contact ball bearings can be positioned in tandem to reduce friction. They also feature a preload mechanism that removes excess play while the bearing is in use.
Angular contact ball bearings are made with different lubricants and cage materials. Standard cages for angular contact ball bearings correspond to Table 1. Some are machined synthetic resins while others are molded polyamide. These cage materials are used to further enhance the bearing’s axial load capacity. Further, angular contact ball bearings can withstand high speeds and radial loads. Compared to radial contact ball bearings, angular contact ball bearings offer the greatest flexibility.
Ball bearings
Ball bearings are circular structures with two separate rings. The smaller ring is mounted on a shaft. The inner ring has a groove on the outer diameter that acts as a path for the balls. Both the inner and outer ring surfaces are finished with very high precision and tolerance. The outer ring is the circular structure with the rolling elements. These elements can take many forms. The inner and outer races are generally made of steel or ceramic.
Silicon nitride ceramic balls have good corrosion resistance and lightweight, but are more expensive than aluminum oxide balls. They also exhibit an insulating effect and are self-lubricating. Silicon nitride is also suitable for high-temperature environments. However, this type of material has the disadvantage of wearing out rapidly and is prone to cracking and shattering, as is the case with bearing steel and glass. It’s also less resistant to heat than aluminum oxide, so it’s best to buy aluminum nitride or ceramic ball bearings for applications that are subjected to extremely high temperatures.
Another type of ball bearings is the thrust bearing. It has a special design that accommodates forces in both axial and radial directions. It is also called a bidirectional bearing because its races are side-by-side. Axial ball bearings use a side-by-side design, and axial balls are used when the loads are transmitted through the wheel. However, they have poor axial support and are prone to separating during heavy radial loads.
The basic idea behind ball bearings is to reduce friction. By reducing friction, you’ll be able to transfer more energy, have less erosion, and improve the life of your machine. With today’s advances in technology, ball bearings can perform better than ever before. From iron to steel to plastics, the materials used in bearings have improved dramatically. Bearings may also incorporate an electromagnetic field. So, it’s best to select the right one for your machine.
The life expectancy of ball bearings depends on many factors, including the operating speed, lubrication, and temperature. A single million-rpm ball bearing can handle between one and five million rotations. As long as its surface contact area is as small as possible, it’s likely to be serviceable for at least one million rotations. However, the average lifespan of ball bearings depends on the application and operating conditions. Fortunately, most bearings can handle a million or more rotations before they start showing signs of fatigue.
Sliding-contact bearings
The basic principle behind sliding-contact bearings is that two surfaces move in contact with one another. This type of bearing works best in situations where the surfaces are made of dissimilar materials. For instance, a steel shaft shouldn’t run in a bronze-lined bore, or vice versa. Instead, one element should be harder than the other, since wear would concentrate in that area. In addition, abrasive particles tend to force themselves into the softer surface, causing a groove to wear in that part.
Sliding-contact bearings have low coefficients of friction and are commonly used in low-speed applications. Unlike ball and roller bearings, sliding contact bearings have to be lubricated on both sides of the contacting surfaces to minimize wear and tear. Sliding-contact bearings generally are made of ceramics, brass, and polymers. Because of their lower friction, they are less accurate than rolling-element bearings.
Sliding-contact bearings are also known as plain or sleeve bearings. They have a sliding motion between their two surfaces, which is reduced by lubrication. This type of bearing is often used in rotary applications and as guide mechanisms. In addition to providing sliding action, sliding-contact bearings are self-lubricating and have high load-carrying capacities. They are typically available in two different types: plain bearings and thrust bearings.
Sliding-contact linear bearing systems consist of a moving structure (called the carriage or slide) and the surfaces on which the two elements slide. The surfaces on which the bearing and journal move are called rails, ways, or guides. A bore hole is a complex geometry, and a minimum oil film thickness h0 is usually used at the line of centers. It is possible to have a sliding-contact bearing in a pillow block.
Because these bearings are porous, they can absorb 15 to 30% of the lubrication oil. This material is commonly used in automobile and machine tools. Many non-metallic materials are used as bearings. One example is rubber, which offers excellent shock absorbency and embeddability. While rubber has poor strength and thermal conductivity, it is commonly used in deep-well pumps and centrifugal pumps. This material has high impact strength, but is not as rigid as steel.
editor by CX 2023-11-12
China manufacturer 2ZZ Good Quality 6200 To 6210 Ball Bearing ball bearing
Product Description
Product Description
| Bearing No | I.D | O.D |
WB | Loading Rate(KN) | Steering Ball Parameter |
Max Speed | ||||||
| d | D | B | Dynamic | Static | No. | Size | Grease | Oil | ||||
| mm | inch | mm | inch | mm | inch | Cr | Cor | mm | r/min | r/m | ||
| 6200 | 10 | 0.3937 | 30 | 1.811 | 9 | 0.3543 | 5.1 | 2.39 | 8 | 4.763 | 25000 | 30000 |
| 6201 | 12 | 0.4724 | 32 | 1.2598 | 10 | 0.3937 | 6.1 | 2.75 | 7 | 5.953 | 22000 | 26000 |
| 6202 | 15 | 0.5906 | 35 | 1.378 | 11 | 0.4331 | 7.75 | 3.6 | 8 | 5.953 | 19000 | 23000 |
| 6203 | 17 | 0.6693 | 40 | 1.5748 | 12 | 0.4724 | 9.6 | 4.6 | 8 | 6.747 | 18000 | 21000 |
| 6204 | 20 | 0.7874 | 47 | 1.8504 | 14 | 0.5512 | 12.8 | 6.65 | 8 | 7.938 | 16000 | 18000 |
| 6205 | 25 | 0.9843 | 52 | 2.571 | 15 | 0.5906 | 14 | 7.85 | 9 | 7.938 | 13000 | 15000 |
| 6206 | 30 | 1.1811 | 62 | 2.4409 | 16 | 0.6299 | 19.5 | 11.3 | 9 | 9.525 | 11000 | 13000 |
| 6207 | 35 | 1.378 | 72 | 2.8346 | 17 | 0.6693 | 25.7 | 15.3 | 9 | 11.112 | 9800 | 11000 |
| 6208 | 40 | 1.5748 | 80 | 3.1496 | 18 | 0.7087 | 29.1 | 17.8 | 9 | 12 | 8700 | 10000 |
| 6209 | 45 | 1.7717 | 85 | 3.3465 | 19 | 0.748 | 32.5 | 20.4 | 10 | 12 | 7800 | 9200 |
| 6210 | 50 | 1.9685 | 90 | 3.5433 | 20 | 0.7874 | 35 | 23.2 | 10 | 12.7 | 7100 | 8300 |
| 6211 | 55 | 2.1654 | 100 | 3.937 | 21 | 0.8268 | 43.5 | 29.2 | 10 | 14.288 | 6400 | 7600 |
| 6212 | 60 | 2.3622 | 110 | 4.3307 | 22 | 0.8661 | 52.5 | 36 | 10 | 15.081 | 6000 | 7000 |
| 6213 | 65 | 2.5591 | 120 | 4.7244 | 23 | 0.9055 | 57.5 | 40 | 10 | 16.669 | 5500 | 6500 |
| 6214 | 70 | 2.7559 | 125 | 4.9213 | 24 | 0.9449 | 62 | 44 | 11 | 16.462 | 5100 | 6000 |
| 6215 | 75 | 2.9528 | 130 | 5.1181 | 25 | 0.9843 | 66 | 49.5 | 11 | 17.462 | 4800 | 5600 |
| 6216 | 80 | 3.1496 | 140 | 5.5118 | 26 | 1.5716 | 72.5 | 53 | 11 | 18.256 | 4500 | 5300 |
| 6217 | 85 | 3.3465 | 150 | 5.9055 | 28 | 1.1571 | 83.5 | 64 | 11 | 19.844 | 4200 | 5000 |
| 6218 | 90 | 3.5433 | 160 | 6.2992 | 30 | 1.1811 | 96 | 71.5 | 10 | 22.225 | 4000 | 4700 |
Detailed Images
Product Advantage
| Standard Component: | Standard Component |
|---|---|
| Technics: | Press |
| Material: | Aluminum |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Types of Ball Bearings
There are several types of ball bearings: Double-row angular contact, Four-point contact, Self-aligning, and Ceramic hybrid. Here’s a brief description of each. For more information, read our article about Double-row angular contact ball bearings. You’ll be better informed about how they’re made. Also, learn about how the cages that hold the balls in place are secured with rivets.
Double-row, angular-contact bearing
Double-row, angular-contact ball bearings are similar in their contact surfaces in one direction, and the two pairs of bearings are installed axially opposite to one another. This design allows them to support combined loads in axial and radial directions. These types of bearings are used for high-precision, high-speed applications. They can be used in everything from turbines to dentistry equipment. Double-row, angular-contact bearings are available at Grainger, as are single-row versions.
Double-row, angular-contact ball bearings are a popular option for applications where high precision and high speed are required. The design features of these bearings are ideal for applications with axial space restrictions. In contrast, they are smaller than two single-row angular-contact bearings and are available in steel, polyamide, or brass cages. Whether you need a cage for high speed or hard operating conditions is up to you. If you are unsure about the right cage for your application, contact Schaeffler.
Single-row angular-contact ball bearings are the most common type of bearings. Double-row bearings are also available with a shielded outer ring, which protects the balls inside the bearing from external contaminants. Because these double-row bearings are a good choice for applications requiring high performance, they are often the most affordable option. They offer similar performance as single-row bearings but are much more rigid.
Preloading is a key performance characteristic for double-row angular-contact ball bearings. Preloading can decrease the service life of double-row angular-contact ball bearings by up to 380 percent. Alternatively, you can preload double-row angular-contact ball bearings by placing spacers between their outer rings. Good double-row angular-contact bearing installation will increase working accuracy and bearing life.
Four-point contact ball bearing
The Four Point Contact Ball Bearing Market can be segmented into three types: 35 Degree, 45 Degree, and Other. The 35 Degree segment is expected to witness the fastest growth over the next few years, owing to its increased operational speed and competence in axial and radial axis load handling. Other types of four-point contact ball bearings include the Miniature and Deep Groove varieties. These are widely used in automobiles, aerospace, and other industries.
These bearings are designed for oil-free screw compressors, and they feature an outer-ring guided brass cage to reduce friction and increase running accuracy. In addition, they have lower maintenance costs compared to conventional bearings. However, they have a higher mean roughness value than their counterparts. High-speed operations require high-speed bearings that can withstand fast speed changes. This is because of the higher friction rate, which results from four-point contact.
The Four-Point Contact Ball Bearing is a highly versatile product, as it can handle radial, thrust, and moment loads. Because of this, it is often the first choice for slow to moderate-speed applications. This design also has a simplified assembly process, requiring only a single double-half-turn to install. It is the first choice of many automotive OEMs because it is extremely efficient. If you want a ball bearing with these benefits, you should contact a local bearing company.
The Four-Point Contact Ball Bearing Market will continue to grow despite a tough economy and volatile trade conditions. Demand for automotive and aerospace components is expected to grow alongside a variety of technological advancements. Meanwhile, demand for energy-efficient products will continue to increase with changes in trade policy, an imbalance in the supply-side ecosystem, and geopolitical risk. And while all these factors will continue to drive the market growth, a few challenges are worth considering.
The Four-Point Contact Bearing is designed with the same basic structure as its two-point counterpart. In a four-point contact ball bearing, one ball can have four distinct points of contact with two rings. Two of these contact points may be in diagonal position. The two remaining contact points change position and accommodate radial loads. Consequently, the Four-Point Contact Bearing is more flexible and robust than its two-point counterparts.
Self-aligning ball bearing
The self-aligning ball bearing is an incredibly useful tool in many industries. This type of bearing has a sealing lip that makes contact with a smooth chamfer on the inner ring. Because of the self-aligning nature of these bearings, they are not prone to misalignment. They can withstand temperatures ranging from -30°C to 120°C and should not be heated prior to installation.
A self-aligning ball bearing is an elastomer-based spherical-shaped bearing with two rows of rolling elements. These bearings can accommodate large radial loads, and their outer ring raceway is curved to provide a spherical effect. The inner ring, or cage, can be either cylindrical or conical. The inner diameter of a self-aligning ball bearing is normally cylindrical, but some are conical. They typically have three oil holes.
When choosing a self-aligning ball bearing, look for a model with a large enough bearing diameter to accommodate the shaft’s bending. Self-aligning bearings may also be interchangeable with standard ball bearing assemblies. You can find individual values in manufacturer catalogues. These bearings are useful in limited applications, although they are not necessarily ideal for everything. For example, in applications where combined loads are the main concern, self-aligning ball bearings should only be used if the application requires minimal misalignment.
A self-aligning ball bearing is a highly-efficient, energy-efficient solution for a variety of applications. It is a simple, low-maintenance solution that makes your life easier. Its unique outer raceway allows restraining springs to absorb the deflection that is common in other bearings. The result is a cooler, smoother running vehicle. It also helps prevent misalignment, which makes it ideal for use in many applications.
The SKF self-aligning ball bearing is an excellent choice for applications involving heavy deflection of the shaft. They are the lowest-friction bearing available. Their steel plate reinforced seals prevent them from separating from the shaft during operation. They are also resistant to oil, making them the perfect solution for high-speed applications. In addition to this, they are designed to work in a wide range of temperatures.
Ceramic hybrid ball bearing
A hybrid ball bearing made from a combination of steel and ceramics is a good option for high-speed applications requiring electrical isolation. This combination offers an extended lifespan and minimal electrical corrosion or seizure risk. In addition, the hybrid ball bearings have less friction than steel bearings and can operate at low speeds. To learn more about this hybrid type of bearing, continue reading. We’ll also discuss how it can help your application.
Full ceramic balls are generally harder than steel, but they do have lower density, meaning they’re not subject to the same high centrifugal forces as steel balls. These benefits make ceramic ball bearings much more durable, with long lifespans. Both full and hybrid ceramic ball bearings are available from CZPT. Read on to learn more about each type. Here’s a look at some of the benefits of each. You’ll be pleasantly surprised.
A hybrid ball bearing consists of steel inner and outer rings and a ceramic ball. It can withstand high speeds and loads, but it’s also designed to operate in extreme temperatures. This hybrid ball bearing also requires minimal lubrication and is suitable for a variety of applications. Because of its unique characteristics, hybrid bearings are lightweight and hard, and they spin faster than steel balls. But how do you choose the right one for your application?
A ceramic ball bearing is better than a steel one for many applications. Its greater speed capability and lower friction allow it to operate at higher speeds than steel balls. It is also less sensitive to fluctuations in lubrication conditions than steel balls. They also tend to be cheaper, so it makes sense to invest in one. It’s worth your while. They last longer, and they don’t require a run-in period.
A hybrid ball bearing is the best choice for electric spindles with high speed and heavy loads. A hybrid ceramic ball bearing has the advantage of low heat and high stiffness, and can operate at high speeds and loads. This thesis explores the dynamic characteristics of a hybrid ceramic ball bearing, including analysis calculations and experiment verification. The results provide reliable data and lay the foundation for professional spindle optimum design tests. It is a worthy addition to any machine shop.
editor by CX 2023-11-11
China Hot selling Agriculture Ball Bearing 10X22X6mm 6900-2RS Deep Groove Ball Bearing 690 2RS 690zz Ball Bearing supplier
Product Description
we manufacture metric miniature ball bearing for industries,as well as inch sieries. the material could be chrome steel or stainless steel, bearing with flange is also available for choice.
| ITEM | 6900-2RS |
| bore diameter(d) | 10mm |
| outside diameter(D) | 22mm |
| Width(B) | 6mm |
| TYPE | zz or rs |
| MATERIAL | Gcr15 or 9Cr18 |
| GREASE | |
| MEMO | widely used in home appliance |
PRODUCTS CATALOGUE
| ITEMS | DIMENSION | balls | |||||
| d | D | Width for open | width for shieds | radius | |||
| 681Xzz | 1.5 | 4 | 1.2 | 2 | 0.05 | 0.600 | 7 |
| 691Xzz | 5 | 2 | 2.6 | 0.15 | 0.800 | 6 | |
| 601Xzz | 6 | 2.5 | 3 | 0.15 | 1.200 | 6 | |
| 682zz | 2 | 5 | 1.5 | 2.3 | 0.08 | 0.800 | 6 |
| MR52zz | 5 | 2 | 2.5 | 0.10 | 0.800 | 7 | |
| 692zz | 6 | 2.3 | 3 | 0.15 | 1.200 | 6 | |
| MR62zz | 6 | 2.5 | 2.5 | 0.15 | 0.800 | 7 | |
| MR72zz | 7 | 2.5 | 3 | 0.15 | 1.200 | 7 | |
| 602zz | 7 | 2.8 | 3.5 | 0.15 | 1.200 | 7 | |
| 682Xzz | 2.5 | 6 | 1.8 | 2.6 | 0.08 | 0.800 | 6 |
| 692Xzz | 7 | 2.5 | 3.5 | 0.15 | 1.200 | 6 | |
| 8 | 2.5 | – | 0.20 | 1.588 | 6 | ||
| 602Xzz | 8 | 2.8 | 4 | 0.15 | 1.200 | 7 | |
| MR63zz | 3 | 6 | 2 | 2.5 | 0.10 | 0.800 | 8 |
| 683zz | 7 | 2 | 3 | 0.10 | 1.000 | 8 | |
| MR83zz | 8 | 2.5 | 3 | 0.15 | 1.200 | 7 | |
| 693zz | 8 | 3 | 4 | 0.15 | 1.588 | 7 | |
| MR93zz | 9 | 2.5 | 4 | 0.20 | 1.588 | 6 | |
| 603zz | 9 | 3 | 5 | 0.15 | 1.588 | 6 | |
| 623zz | 10 | 4 | 4 | 0.15 | 1.588 | 7 | |
| 633zz | 13 | 5 | 5 | 0.20 | 2.381 | 7 | |
| MR74zz | 4 | 7 | 2 | 2.5 | 0.10 | 0.800 | 11 |
| MR84zz | 8 | 2 | 3 | 0.15 | 1.200 | 7 | |
| 684zz | 9 | 2.5 | 4 | 0.10 | 1.588 | 7 | |
| MR104zz | 10 | 3 | 4 | 0.20 | 1.588 | 6 | |
| 694zz | 11 | 4 | 4 | 0.15 | 2.000 | 7 | |
| 604zz | 12 | 4 | 4 | 0.20 | 2.000 | 7 | |
| 624zz | 13 | 5 | 5 | 0.20 | 2.381 | 7 | |
| 634zz | 16 | 5 | 5 | 0.30 | 2.381 | 7 | |
| MR85zz | 5 | 8 | 2 | 2.5 | 0.10 | 0.800 | 9 |
| MR95zz | 9 | 2.5 | 3 | 0.15 | 1.200 | 8 | |
| MR105zz | 10 | 3 | 4 | 0.15 | 1.300 | 9 | |
| MR115zz | 11 | – | 4 | 0.15 | 1.588 | 8 | |
| 685zz | 11 | 3 | 5 | 0.15 | 1.588 | 8 | |
| 695zz | 13 | 4 | 4 | 0.20 | 2.000 | 8 | |
| 605zz | 14 | 5 | 5 | 0.20 | 2.381 | 7 | |
| 625zz | 16 | 5 | 5 | 0.30 | 3.175 | 6 | |
| 635zz | 19 | 6 | 6 | 0.30 | 3.175 | 7 | |
| MR106zz | 6 | 10 | 2.5 | 3 | 0.15 | 1.200 | 10 |
| MR126zz | 12 | 3 | 4 | 0.20 | 1.588 | 8 | |
| 686zz | 13 | 3.5 | 5 | 0.15 | 2.000 | 8 | |
| 696zz | 15 | 5 | 5 | 0.20 | 2.381 | 7 | |
| 606zz | 17 | 6 | 6 | 0.30 | 3.175 | 6 | |
| 626zz | 19 | 6 | 6 | 0.30 | 3.175 | 7 | |
| 636zz | 22 | 7 | 7 | 0.30 | 3.969 | 7 | |
| MR117zz | 7 | 11 | 2.5 | 3 | 0.15 | 1.200 | 9 |
| MR137zz | 13 | 3 | 4 | 0.20 | 1.200 | 12 | |
| 687zz | 14 | 3.5 | 5 | 0.15 | 2.000 | 9 | |
| 697zz | 17 | 5 | 5 | 0.30 | 2.381 | 9 | |
| 607zz | 19 | 6 | 6 | 0.30 | 3.175 | 6 | |
| 627zz | 22 | 7 | 7 | 0.30 | 3.969 | 7 | |
| 637zz | 26 | 9 | 6 | 0.30 | 4.763 | 7 | |
| MR128zz | 8 | 12 | 2.5 | 3.5 | 0.15 | 1.200 | 12 |
| MR148zz | 14 | 3.5 | 4 | 0.20 | 1.588 | 10 | |
| 688zz | 16 | 4 | 5 | 0.20 | 2.381 | 9 | |
| 698zz | 19 | 6 | 6 | 0.30 | 3.175 | 7 | |
| 608z | 22 | 7 | 7 | 0.30 | 3.969 | 7 | |
| 628zz | 24 | 8 | 8 | 0.30 | 3.969 | 7 | |
| 638zz | 28 | 9 | 9 | 0.30 | 4.763 | 7 | |
| 679zz | 14 | 3 | 4.5 | 0.30 | |||
| 689zz | 9 | 17 | 4 | 5 | 0.20 | 2.381 | 9 |
| 699zz | 20 | 6 | 6 | 0.30 | 3.175 | 8 | |
| 609zz | 24 | 7 | 7 | 0.30 | 3.969 | 7 | |
| 629zz | 26 | 8 | 8 | 0.30 | 4.763 | 7 | |
| 639zz | 30 | 10 | 10 | 0.60 | 4.763 | 7 | |
| 6700zz | 15 | 4 | 4 | 0.15 | |||
| 6800zz | 19 | 5 | 5 | 0.30 | 2.381 | 9 | |
| 63800zz | 19 | – | 7 | 0.30 | 2.381 | 9 | |
| 6900zz | 22 | 6 | 6 | 0.30 | 3.175 | 9 | |
| 6000zz | 10 | 26 | 8 | 8 | 0.30 | 4.763 | 7 |
| 6200zz | 30 | 9 | 9 | 0.60 | 4.763 | 8 | |
| 6300zz | 35 | 11 | 11 | 0.60 | 7.144 | 6 | |
| 6701zz | 18 | 4 | 4 | 0.20 | |||
| 6801zz | 21 | 5 | 5 | 0.30 | 2.381 | 12 | |
| 63801zz | 21 | 7 | 7 | 0.30 | 2.381 | 12 | |
| 6901zz | 12 | 24 | 6 | 6 | 0.30 | 3.175 | 10 |
| 6001zz | 28 | 8 | 8 | 0.30 | 4.763 | 8 | |
| 6201zz | 32 | 10 | 10 | 0.60 | 5.953 | 7 | |
| 6301zz | 37 | 12 | 12 | 1.00 | 7.938 | 6 | |
OUR WORKSHOP
OUR FACTORY
PACKAGING
| Precision Rating: | ABEC-1, ABEC-3, ABEC-5 |
|---|---|
| Cage: | Steel Cage |
| Application: | RC Hobby, Micro Motor, Home Appliance |
| Samples: |
US$ 2/Set
1 Set(Min.Order) | Order Sample |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.
What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?
Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:
- Effective Sealing:
Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.
- Clean Environment:
Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.
- Proper Handling:
Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.
- Clean Tools and Equipment:
Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.
- Contamination-Controlled Workstations:
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
- Proper Lubrication:
Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.
- Regular Inspections:
Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.
- Training and Education:
Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.
- Environmental Controls:
In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.
- Regular Cleaning and Maintenance:
Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.
- Selection of Suitable Bearings:
Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.
By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.
What Factors should be Considered when Selecting a Ball Bearing for a Particular Application?
Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:
- Load Type and Magnitude:
Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.
- Speed and Operating Conditions:
Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.
- Accuracy and Precision:
For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.
- Space Limitations:
If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.
- Thrust and Radial Loads:
Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.
- Alignment and Misalignment:
If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.
- Mounting and Installation:
Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.
- Lubrication and Maintenance:
Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.
- Environmental Conditions:
Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.
- Bearing Material:
Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.
- Bearing Arrangement:
Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.
By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.
editor by CX 2023-11-10
China Good quality Factory Price 635 Low Profile Ball Bearing for Lifting Machine and Sliding Door&Window Size 5*19*6mm bearing and race
Product Description
Detailed Photos
Product Description
Our precision deep groove ball bearings are designed for high precision, low noise, small vibration, high reliability and long life. They are mainly used in various types of electric motors. They are also known as EMQ (Electric Motor Quality) bearings.
EMQ bearings are widely used in household appliances, toys, electric power tools, car motors and other fields. With optimal design, high reliability heat treatment, precision manufacturing processes and high-grade grease, these products perform better on reliability, vibration and noise levels than standard products making them more suitable for electric motor applications. These products can also be applied to most gearbox applications as well.
| Item | Deep Groove Ball Bearing | Closure type | ZZ/RS |
| OEM ODM | Technical drawing or sample is needed | d(mm) | 5 |
| Original | ZheJiang , China | D(mm) | 19 |
| Material | Chrome steel, Carbon steel, Stainless steel, etc. | B(mm) | 6 |
| Cage Material | Steel / Nylon | Number of row | single |
| Tolerance | P0 P6 P5 P2 P4 | Clearance | C0 C2 C3 C4 |
| Vibration | V1 V2 V3 | Noise | Z1 Z2 Z3 Z4 |
| MOQ | 1000 pcs | Application | Motor/electric/sliding/furniture accessories/ Skateboard/etc. |
| Feature | heavy-duty,adjustable,low noise, easy installation,sliding smoothly,long life,standard,customized,etc | Leading Time | According to the order q’ty |
Company Profile
ABOUT US
Haibite was set up in 1996 and located at HangZhou, a beautiful city in China, covering an area of 16000 square meters. Our company is bearing manufacturer&bearing distributor.
We have own factory that specialize in the production of bearings. We are in a good position to supply you high quality bearing, the finest price and customized service.
Since it was first established, Haibite was dedicated in research, development and manufacture of bearings.
Haibite deep groove ball bearing has numerous technical advantages, such as increased service life of bearing over a broad of operating temperature and all these combined with the highest level of cost effectiveness.
Now, Haibite has become main and 1 of the first grade suppliers of all kinds of bearings. We could develop the products constructed from different materials, structures, shapes, colors etc.
1. Our bearing are in stable quality with smooth rotation, long life operation, small movement, advanced heat treatment etc.
2. The Balls with smooth and long lasting operation, higher performing features like wider adjustment ranges, long rolling life performance, easy installment. It’s adapt in multiple housing choices with any wheels to fit different aluminnum. Our bearing ensure alignment across the full adjustment ranges within built-in retention system.
3. If you need, we also could offer customized hardware service, like plastic parts, stamping patrs, cold forging steel patrs are widely applied in the window and doors, furniture, householders, transmission system, industrial drive system etc.
We are constantly improving and striving for excellent service. We hold a very high regard for our customers, the quality of our products, and our level of customer service.
Packaging & Shipping
Packaging Details
Packaging
A.Polybag +Box+Carton
B.B.Tube+Box+Carton
C.As per customer’s request
We have kinds of packages, such as plastic bags, cartons, special boxes. We use different packages based on the products and our customers’ requirements.
Port :HangZhou
Our Advantages
FAQ
If you have any other questions, please feel free to contact us as follows.
Q: Why did you choose us?
A. We provide the best quality bearings with reasonable price, low friction, low noise and long service life.
B. With sufficient stock and fast delivery, you can choose our freight forwarder or your freight forwarder.
C. The best service provided by a well-trained international sales team.
Q: Do you accept small orders?
100% quality check, once your bearings are standard size bearings, even one, we also accept.
Q: Do you provide samples? Is it free or extra?
Yes, we can provide a small amount of free samples. Do you mind paying the freight?
Q: What should I do if I don’t see the type of bearings I need?
We have too many bearing series numbers. Sometimes we can’t put them all on web. Just send us the inquiry and we will be very happy to send you the bearing details.
Q: What services can we provide?
Accepted Delivery Terms: FOB, CFR, CIF, EXW;
Accepted Payment Currency: USD, EUR, JPY, CNY;
Accepted Payment Type: T/T, L/C, D/P, D/A
Language Spoken: English, Chinese;
Purchase Notice
1. Please send us an inquiry or leave us a message, there will be a dedicated staff to serve you within 1 hours.
2. You can ask us to take actual photos of the products for you, and free samples would be provide.
3. Welcome to visit our factory to negotiate orders, we will do our best to protect the safety of your business journey.
4. Packaging can be customized according to customer requirements.
Finally, please be sure to click “Contact Supplier” to contact us, or “call us” with any questions that you may have.
Welcome to contact me anytime!
| Aligning: | Aligning Bearing |
|---|---|
| Separated: | Unseparated |
| Rows Number: | Single |
| Samples: |
US$ 0.5/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.
What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?
Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:
- Design and Geometry:
Deep Groove Ball Bearings:
Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.
Angular Contact Ball Bearings:
Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.
- Load Carrying Capacity:
Deep Groove Ball Bearings:
Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.
Angular Contact Ball Bearings:
Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.
- Contact Angle:
Deep Groove Ball Bearings:
Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.
Angular Contact Ball Bearings:
Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.
- Applications:
Deep Groove Ball Bearings:
Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.
Angular Contact Ball Bearings:
Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.
- Limitations:
Deep Groove Ball Bearings:
Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.
Angular Contact Ball Bearings:
Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.
In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.
What Factors should be Considered when Selecting a Ball Bearing for a Particular Application?
Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:
- Load Type and Magnitude:
Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.
- Speed and Operating Conditions:
Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.
- Accuracy and Precision:
For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.
- Space Limitations:
If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.
- Thrust and Radial Loads:
Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.
- Alignment and Misalignment:
If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.
- Mounting and Installation:
Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.
- Lubrication and Maintenance:
Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.
- Environmental Conditions:
Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.
- Bearing Material:
Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.
- Bearing Arrangement:
Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.
By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.
editor by CX 2023-11-10
China best CZPT 6206-2rz Deep Groove Ball Bearing for Machinery with Good quality
Product Description
Product Description
Bearing No. 6206-2RS/6206-2RZ-deep groove ball bearing-radial ball bearing
·Dimensions: 30x62x16mm
·Rubber seal on both sides
·100% Chrome Steel for higher resistance and durability
·Supports 8,700 rpm with grease, 10000 rpm with oil
·Our high-quality bearing is made to reduce your replacement frequency and maintenance cost
Specifications for this item
Bearing Type: deep groove ball bearing-high speed electric motor bearing,water pump bearing
Brand: HXB or OEM brand
Material: chrome steel GCr15, AISL52100, SUJ2
Part No.: 6206-2RS, 6206-2RZ, 6206-DD,6206-DDU,6206-LLU
Clearance: C2, CM, C0, C3
Vibration: ZV2,ZV3,ZV4
Precision Class: P0, P6, P5, ABEC-1, ABEC-3,ABEC-5
Application: electric motor, motorcycle, household appliance, electric tools, water pump
| Bearing Number | Boundary dimensions(mm) | Load Rating(KN) | Limiting Speed(rpm) | Weight(kg) | |||||
| d | D | B | rmin | Cr | Cor | Grease | Oil | ||
| 6000 | 10 | 26 | 8 | 0.3 | 4.55 | 1.96 | 29000 | 34000 | 0.019 |
| 6200 | 30 | 9 | 0.6 | 5.10 | 2.39 | 25000 | 30000 | 0.032 | |
| 6300 | 35 | 11 | 0.6 | 8.20 | 3.50 | 23000 | 27000 | 0.052 | |
| 6001 | 12 | 28 | 8 | 0.3 | 5.10 | 2.39 | 26000 | 30000 | 0.571 |
| 6201 | 32 | 10 | 0.6 | 6.10 | 2.75 | 22000 | 26000 | 0.035 | |
| 6301 | 37 | 12 | 1.0 | 9.70 | 4.20 | 20000 | 24000 | 0.051 | |
| 6002 | 15 | 32 | 9 | 0.3 | 5.60 | 2.84 | 22000 | 26000 | 0.031 |
| 6202 | 35 | 11 | 0.6 | 7.75 | 3.60 | 19000 | 23000 | 0.045 | |
| 6302 | 42 | 13 | 1.0 | 11.40 | 5.45 | 17000 | 21000 | 0.080 | |
| 6003 | 17 | 35 | 10 | 0.3 | 6.80 | 3.35 | 20000 | 24000 | 0.040 |
| 6203 | 40 | 12 | 0.6 | 9.60 | 4.60 | 18000 | 21000 | 0.064 | |
| 6303 | 47 | 14 | 1.0 | 13.50 | 6.55 | 16000 | 19000 | 0.109 | |
| 6004 | 20 | 42 | 12 | 0.6 | 9.40 | 5.05 | 18000 | 21000 | 0.068 |
| 6204 | 47 | 14 | 1.0 | 12.80 | 6.65 | 16000 | 18000 | 0.103 | |
| 6304 | 52 | 15 | 1.1 | 15.90 | 7.90 | 14000 | 17000 | 0.142 | |
| 6005 | 25 | 47 | 12 | 0.6 | 10.10 | 5.85 | 15000 | 18000 | 0.078 |
| 6205 | 52 | 15 | 1.0 | 14.00 | 7.85 | 13000 | 15000 | 0.127 | |
| 6305 | 62 | 17 | 1.1 | 21.20 | 10.90 | 12000 | 14000 | 0.219 | |
| 6006 | 30 | 55 | 13 | 1.0 | 13.20 | 8.30 | 13000 | 15000 | 0.110 |
| 6206 | 62 | 16 | 1.0 | 19.50 | 11.30 | 11000 | 13000 | 0.200 | |
| 6306 | 72 | 19 | 1.1 | 26.70 | 15.00 | 10000 | 12000 | 0.349 | |
| 6007 | 35 | 62 | 14 | 1.0 | 16.00 | 10.30 | 12000 | 14000 | 0.148 |
| 6207 | 72 | 17 | 1.1 | 25.70 | 15.30 | 9800 | 11000 | 0.288 | |
| 6307 | 80 | 21 | 1.5 | 33.50 | 19.10 | 8800 | 10000 | 0.455 | |
| 6008 | 40 | 68 | 15 | 1.0 | 16.80 | 11.50 | 10000 | 12000 | 0.185 |
| 6208 | 80 | 18 | 1.1 | 29.10 | 17.80 | 8700 | 10000 | 0.368 | |
| 6308 | 90 | 23 | 1.5 | 40.50 | 24.00 | 7800 | 92000 | 0.639 | |
| 6009 | 45 | 75 | 16 | 1.0 | 21.00 | 15.10 | 9200 | 11000 | 0.230 |
| 6209 | 85 | 19 | 1.1 | 32.50 | 20.40 | 7800 | 9200 | 0.414 | |
| 6309 | 100 | 25 | 1.5 | 53.00 | 32.00 | 7000 | 8200 | 0.837 | |
| 6571 | 50 | 80 | 16 | 1.0 | 21.80 | 16.60 | 8400 | 9800 | 0.258 |
| 6210 | 90 | 20 | 1.1 | 35.00 | 23.20 | 7100 | 8300 | 0.463 | |
| 6310 | 110 | 27 | 2.0 | 62.00 | 38.50 | 6400 | 7500 | 1.082 | |
| 6011 | 55 | 90 | 18 | 1.1 | 28.30 | 21.20 | 7700 | 9000 | 0.383 |
| 6211 | 100 | 21 | 1.5 | 43.50 | 29.20 | 6400 | 7600 | 0.603 | |
| 6311 | 120 | 29 | 2.0 | 71.50 | 45.00 | 5800 | 6800 | 1.355 | |
| 6012 | 60 | 95 | 18 | 1.1 | 29.50 | 23.20 | 7000 | 8300 | 0.391 |
| 6212 | 110 | 22 | 1.5 | 52.50 | 36.00 | 6000 | 7000 | 0.780 | |
| 6312 | 130 | 31 | 2.1 | 82.00 | 52.00 | 5400 | 6300 | 1.710 | |
| 6013 | 65 | 100 | 18 | 1.1 | 30.5 | 25.2 | 6500 | 7700 | 0.41 |
| 6213 | 120 | 23 | 1.5 | 57.5 | 40 | 5500 | 6500 | 0.957 | |
| 6313 | 140 | 33 | 2.1 | 92.5 | 60 | 4900 | 5800 | 2.1 | |
| 6014 | 70 | 110 | 20 | 1.1 | 38.00 | 31.00 | 6100 | 7100 | 0.575 |
| 6214 | 125 | 24 | 1.5 | 62.00 | 44.00 | 5100 | 6000 | 1.100 | |
| 6314 | 150 | 35 | 2.1 | 104.00 | 68.00 | 4600 | 5400 | 2.550 | |
Application
Company Profile
Established in 1995, as a leading ball bearing manufacturer in China, HXB offers more than 1,000 kinds of ball bearing to fulfill our customers’ needs. With excellent production team and technical team, we can supply high quality products consistently.
After more than 20 years of development, HXB’s main products involves deep groove ball bearings, angular contact ball bearings, high precision spindle bearings, etc. Our bearings are wildly used in electric motors, machinery tool spindle, CNC, NEVs and other fields.
| Precision Class: | P6 |
|---|---|
| Noise&Vibration: | Zv3 |
| Clearance: | C0 |
| Grease: | Bld-K |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How does Preload Affect the Performance and Efficiency of Ball Bearings?
Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:
- Reduction of Internal Clearance:
Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.
- Increased Stiffness:
Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.
- Minimized Axial Play:
Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.
- Enhanced Rigidity:
The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.
- Reduction in Ball Slippage:
Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.
- Improved Running Accuracy:
Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.
- Optimized Performance at High Speeds:
Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.
- Impact on Friction and Heat Generation:
While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.
- Application-Specific Considerations:
The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.
Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.
How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?
Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:
- Size:
The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.
- Load Capacity:
Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.
- Precision:
Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.
- Speed:
Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.
- Friction and Efficiency:
Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.
- Applications:
Miniature ball bearings find applications in various industries and sectors:
- Electronics and Consumer Devices:
They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.
- Medical and Dental Equipment:
Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.
- Robotics and Automation:
Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.
- Aerospace and Defense:
They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.
- Optics and Instrumentation:
Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.
Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.
What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?
Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:
- Reduced Friction:
One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.
- Efficient Load Support:
Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.
- Smooth Rotation:
Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.
- High-Speed Capability:
Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.
- Reduced Wear and Maintenance:
The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.
- Energy Efficiency:
By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.
- Versatility:
Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.
- Reliability and Longevity:
Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.
- Quiet Operation:
Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.
In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.
editor by CX 2023-11-09
China best Double Row Self_Aligning Ball Ceramic Bearing 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 double row ball bearing
Product Description
DETA
ZheJiang Leicester Bearing Technology Co., Ltd. is a specialized manufacturer that produces various types of bearings, including cylindrical roller bearings (7 series, 97 series, 3007 series, 20097 series), British standard tapered roller bearings, deep groove ball bearings, spherical plain bearings, self-aligning roller bearings, rolling mill bearings, and a variety of non-standard bearings.
At our core, we believe in “Quality, Creating Value,” and we have gained the trust and support of customers both domestically and internationally by delivering high-quality products.
In 2002, we received certification from the China Import and Export Product Quality Verification Center and obtained ISO 9001, ISO 2000, and IATF 16949 quality management system certifications. Our successful collaborations with renowned domestic and international enterprises have made us reliable and stable suppliers. Moreover, we have provided bearing components to well-known bearing manufacturers worldwide.
PRODUCT OVERVIEW
| Bearing No | Dimensionmm) | MabB(kg | Bearing No | Dimension(mm) | Mass(kg | ||||
| d | D | B | d | D | B | ||||
| 1200 | 10 | 30 | 9 | 0.035 | 1300 | 10 | 35 | 11 | 0.060 |
| 1201 | 12 | 32 | 10 | 0.042 | 1301 | 12 | 37 | 12 | 0.070 |
| 1202 | 15 | 35 | 11 | 0.051 | 1302 | 15 | 42 | 13 | 0.100 |
| 1203 | 17 | 40 | 12 | 0.076 | 1303 | 17 | 47 | 14 | 0.140 |
| 1204 | 20 | 47 | 14 | 0.120 | 1304 | 20 | 52 | 15 | 0.170 |
| 1206 | 25 | 52 | 15 | 0.140 | 1305 | 25 | 62 | 17 | 0.260 |
| 1206 | 30 | 62 | 16 | 0.230 | 1306 | 30 | 72 | 19 | 0.400 |
| 1207 | 35 | 72 | 17 | 0.320 | 1307 | 35 | 80 | 21 | 0.540 |
| 1208 | 40 | 80 | 18 | 0.410 | 1308 | 40 | 90 | 23 | 0.710 |
| 1209 | 45 | 85 | 19 | 0.490 | 1309 | 45 | 100 | 25 | 0.960 |
| 1210 | 50 | 90 | 20 | 0.540 | 1310 | 50 | 110 | 27 | 1.210 |
| 1211 | 55 | 100 | 21 | 0.720 | 1311 | 55 | 120 | 29 | 1.580 |
| 1212 | 60 | 110 | 22 | 0.900 | 1312 | 60 | 180 | 31 | 1.90 |
| 1213 | 65 | 120 | 23 | 0.920 | 1313 | 65 | 140 | 33 | 2.390 |
| 1214 | 70 | 125 | 24 | 1.290 | 1314 | 70 | 150 | 35 | 3.000 |
| 1215 | 75 | 130 | 25 | 1.350 | 1315 | 75 | 160 | 37 | 3.600 |
| 1216 | 80 | 140 | 26 | 1.650 | 1316 | 80 | 170 | 39 | 4.200 |
| 1217 | 85 | 150 | 28 | 2.100 | 2300 | 10 | 35 | 17 | 0.090 |
| 2200 | 10 | 30 | 14 | 0.050 | 2301 | 12 | 37 | 17 | 0.100 |
| 2201 | 12 | 32 | 14 | 0.053 | 2302 | 15 | 42 | 17 | 0.110 |
| 2202 | 15 | 35 | 14 | 0.600 | 2303 | 17 | 47 | 19 | 0.170 |
| 2203 | 17 | 40 | 16 | 0.090 | 2304 | 20 | 52 | 21 | 0.220 |
| 2204 | 20 | 47 | 18 | 0.150 | 2305 | 25 | 62 | 24 | 0.350 |
| 2205 | 25 | 52 | 18 | 0.190 | 2306 | 50 | 72 | 27 | 0.500 |
| 2206 | 80 | 62 | 20 | 0.260 | 2307 | 35 | 80 | 31 | 0.680 |
| 2207 | 35 | 72 | 23 | 0.440 | 2308 | 40 | 90 | 33 | 0.930 |
| 2208 | 40 | 90 | 23 | 0.530 | 2309 | 45 | 100 | 36 | 1.250 |
| 2209 | 45 | 85 | 23 | 0.550 | 2310 | 50 | 110 | 40 | 1.640 |
| 2210 | 50 | 90 | 23 | 0.680 | 2311 | 55 | 120 | 43 | 2.100 |
| 2211 | 55 | 100 | 25 | 0.810 | 2312 | 60 | 130 | 46 | 2.600 |
| 2212 | 60 | 110 | 28 | 1.100 | 2313 | 65 | 140 | 48 | 3.200 |
| 2213 | 65 | 120 | 31 | 1.500 | 2314 | 70 | 150 | 51 | 3.900 |
| 2214 | 70 | 125 | 31 | 1.620 | 2315 | 75 | 160 | 55 | 4.700 |
| 2215 | 75 | 130 | 31 | 1.720 | |||||
Product features: mainly bear radial load, at the same time can bear small axial load. The axial displacement of the shaft (shell) is limited within the clearance limit, with automatic self-aligning performance, allowing the normal work under the condition of relatively small inclination inside and outside, suitable for supporting seat holes can not strictly ensure the coaxiality of the parts.
Main applications of self-aligning ball bearing:
low noise motor, automobile, motorcycle, woodworking machinery, transmission shaft of textile machinery, mining machinery, mechanical and electrical equipment, plastic machinery, work equipment, medical equipment, fitness and sports equipment and general machinery, etc.
Detailed Photos
OUR PRODUCTS
SCOPE OF APPLICATION
PRODUCTION PROCESS
PRODUCT PACKAGING
1.industrial packing+industrial cartons+pallets
2.single brand box+brand cartons+pallets
3.follow customer’s requests
A.Plastic Tubes or Single Boxes ( Usually 10pcs in 1 plastic tube for steel bearings);
B.Cartons ( No more than 30kg for 1 carton );
C. Pallet ( Usually more than 400kg totally will use pallet )
D. Delivery time :7-35 days ( by sea or by air )
Generally,We will choose the most suitable packing method for products. If you have any special requirements for packing, please contact us in advance.
Company Profile
“Reliable quality, competitive prices, and excellent service” have always been our guiding principles. We have implemented a stringent quality control system, starting from raw material procurement to product manufacturing. Our company boasts a strong technical team, well-equipped testing facilities, and a robust ability to develop new products. With a commitment to delivering high-quality products and maintaining a good reputation, we aim to earn the trust of more customers.
ZheJiang Leicester Bearing Technology Co., Ltd. warmly welcomes both new and existing customers for discussions, guidance, and collaboration. We are eager to establish direct sales partnerships with businesses in various industries, both within the country and internationally.
As we embrace our dreams and uphold our values, honesty remains the foundation of our company. ZheJiang Leicester Bearing Technology Co., Ltd. looks forward to creating a bright future together with you!
OUR STRENGTHS
Q1: Can I get some samples?
A: Yes, sample order is available for quality check and market test. But you have to pay the sample cost and express cost.
Q2: Do you receive customized order?
A: Yes, ODM & OEM are welcomed.
Q3: What’s the lead time?
A: According to the order quantity, small order usually need 3-5 days, big order need negotiation.
Q4: What’s your payment terms?
A: We receive Escrow, T/T, West Union, Cash and etc.
| Deliver Time: | 0-15days |
|---|---|
| Transport: | by Land or Sea or Air |
| Bearing Clearance: | C0 C2 C3 C4 |
| Samples: |
US$ 0.1/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
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|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?
Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:
- High-Carbon Chrome Steel (AISI 52100):
This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.
- Stainless Steel (AISI 440C, AISI 304, AISI 316):
Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.
- Ceramic:
Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.
- Plastic (Polyamide, PEEK):
Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.
- Bronze:
Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.
- Hybrid Bearings:
Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.
- Specialty Alloys:
For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.
- Coated Bearings:
Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.
The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.
What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?
Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:
- Effective Sealing:
Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.
- Clean Environment:
Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.
- Proper Handling:
Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.
- Clean Tools and Equipment:
Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.
- Contamination-Controlled Workstations:
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
- Proper Lubrication:
Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.
- Regular Inspections:
Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.
- Training and Education:
Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.
- Environmental Controls:
In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.
- Regular Cleaning and Maintenance:
Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.
- Selection of Suitable Bearings:
Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.
By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.
What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?
Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:
- Reduced Friction:
One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.
- Efficient Load Support:
Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.
- Smooth Rotation:
Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.
- High-Speed Capability:
Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.
- Reduced Wear and Maintenance:
The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.
- Energy Efficiency:
By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.
- Versatility:
Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.
- Reliability and Longevity:
Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.
- Quiet Operation:
Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.
In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.
editor by CX 2023-11-07
China wholesaler CZPT CZPT CZPT CZPT CZPT Original Brand Bearing Tapered Roller Bearing Deep Groove Ball Bearing Wheel Hub Bearing Cylindrical Roller Bearing for Auto Parts supplier
Product Description
hub bearing automotive wheel bearing for front rear car wheel
Product Description
| Name | good quality wheel bearing | ||||
| Brand | WNTN/support OEM brand | ||||
| Material | Chrome steel Gcr15, stainless steel | ||||
| Precision rating | ABEC-1 ABEC-3 ABEC-5 | ||||
| Noisy | Z1,Z2,Z3 | ||||
| Vibration | V1,V2,V3 | ||||
| Number of row | Single | ||||
| payment terms | T/T | ||||
| quality | strictly checked before sending out | ||||
| features | 1. High quality | ||||
| 2. Competitive price | |||||
| 3.Less friction and low noise | |||||
| 4.durable | |||||
| package | 1.Plastic Tube/30 |
37.99 |
71 |
33 |
30 |
|
DAC38100700037 |
38.1 |
70 |
37 |
37 |
|
|
DAC38700037 |
38 |
70 |
37 |
37 |
|
|
DAC38700038 |
38 |
70 |
38 |
38 |
|
|
DAC38700038B |
38 |
70 |
38 |
38 |
|
|
DAC/30 |
37.99 |
71.02 |
33 |
30 |
|
|
DAC38725716/33B |
38 |
72.02 |
36 |
33 |
|
|
DAC38720040 |
38 |
72 |
40 |
40 |
|
|
DAC37990725716/33 |
37.99 |
72.02 |
36 |
33 |
|
|
DAC38730040 |
38 |
73 |
40 |
40 |
|
|
DAC37990740036/33 |
37.99 |
74 |
36 |
33 |
|
|
DAC/33 |
37.99 |
74.02 |
36 |
33 |
|
|
DAC/33B |
37.99 |
74.02 |
36 |
33 |
|
|
DAC38740050 |
38 |
74 |
50 |
50 |
|
|
DAC38740450 |
38 |
74.04 |
50 |
50 |
|
|
DAC39680037 |
39 |
68 |
37 |
37 |
Packaging & Shipping
FAQ
F&Q
Q:What the MQQ of your company?
A:MQQ is 1pcs.
Q:Could you accept OEM and customize?
A:YES,we can customize for you according to sample or drawing.
Q:Could you supply sample for free?
A:Yes,we can supply sample for free,do you mind to buy her a ticket?
Q:Dose your factory have any certificate?
A:yes.we have ISO 9001:2008,IQNET and SGS. If you want other like CE,we can do for you.
Q:IS you company factory or Trade Company?
A:We have our own factory ;our type is factory +trade.
Q:Could you tell me the material of our bearing?
A:We have chrome steel,and staninless steel,ceramic and plastic material.
Q:Could you offer door to door service?
A:Yes,by express(GHL,FEDEX,TNT,EMS,4-10 days to your city.)
Q:Coould you tell me the payment term of your company can accept?
A:T/T.Western Union,PayPal
Q:Could you tell me the delivery timr of your doods?
A:If stock,in 7days or base on your order quantity
Why Chose Us
Why Chose Us ?
1.Excellent and high quality control,high speed,low noise,long life
2.Best service
3.Prompt delivery
4.Competitive price
5.Small order accepted
6.Customers’ drawing or samples accepted
7.OEM service
8.ISO Standard
| After-sales Service: | 24 Hours Online |
|---|---|
| Warranty: | One Year |
| Type: | Wheel Hub Bearing |
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?
Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:
- High-Carbon Chrome Steel (AISI 52100):
This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.
- Stainless Steel (AISI 440C, AISI 304, AISI 316):
Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.
- Ceramic:
Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.
- Plastic (Polyamide, PEEK):
Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.
- Bronze:
Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.
- Hybrid Bearings:
Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.
- Specialty Alloys:
For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.
- Coated Bearings:
Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.
The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.
Are there any Industry Standards or Certifications that Ball Bearings should Meet?
Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:
- ISO Standards:
The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.
- ABEC (Annular Bearing Engineering Committee) Ratings:
ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.
- DIN Standards:
The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.
- JIS (Japanese Industrial Standards):
JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.
- ASTM (American Society for Testing and Materials) Standards:
ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.
- CE Marking:
CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.
- Industry-Specific Standards:
Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.
- Quality Management Systems:
Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.
When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.
What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?
Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:
- Reduced Friction:
One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.
- Efficient Load Support:
Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.
- Smooth Rotation:
Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.
- High-Speed Capability:
Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.
- Reduced Wear and Maintenance:
The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.
- Energy Efficiency:
By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.
- Versatility:
Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.
- Reliability and Longevity:
Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.
- Quiet Operation:
Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.
In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.
editor by CX 2023-11-07
China Standard Good Flanged Ball Bearing 608 Z609 760211 F608zz 6001 6088 6011 6025 607 6062 6056 Bearing bearing block
Product Description
| Specifications of Bearing |
608 2rs c3 abec 9 bearing dimensions deep groove ball bearings catalogue:
1> Types:600,620,680,690,6000,6200,MR series
2> Corresponding types:604-609,623-629,680-689,693-698,6000,6001,6002,6200,6201,6202
3> Material used:GCr15-China,440C-American,9Cr18-China
4> Shield/cap:open bearing,Z.ZZ,RS,2RS,
5> Keeper:iron,nylon,
6> Vibration and noise level:Z1,Z2,Z3
7> Precision level:P0,P6,P5,P4(ABEC-1,ABEC-3,ABEC-5,ABEC-7
8> OEM Serves or Not: yes , we have been providing OEM service for 5 years
9> Application:available to air-condition,caccum cleaners,oil&smoker exhausters,washing machines,textile machinery,medical equimpment,electric tools,axial flow fans,motorcycles,automobiles,instruments,spoots equimpment,printing machinery,,computer,fishing gears,elevating equimpment,office equimpment,and other machinery and equimpment.
10> Quality:ISO9001:2000
Specifications of deep groove ball bearing 608ZZ
| Product name | bearing 608 |
| Dimension | 8*22*7 mm |
| Brand name | OEM |
| Material | chrome steel |
| Weight | 12 g |
| Hardness | 58~62 |
| Quality standard | SGS ISO9001 |
| Parameters of Bearing |
| Item No. | Boundary Dimensions(mm) | Basic load ratings(Lbf) | Weight(Lb.) | ||||
| d | D | B | Dynamic | Static | |||
| OPEN | ZZ/2RS | Cr | Cor | ||||
| 603 | 3 | 9 | 3 | 5 | 128.14 | 35.97 | 0.00198 |
| 604 | 4 | 12 | 4 | 4 | 218.06 | 80.93 | 0.00462 |
| 605 | 5 | 14 | 5 | 5 | 292.25 | 110.16 | 0.0077 |
| 606 | 6 | 17 | 6 | 6 | 508.07 | 166.36 | 0.01276 |
| 607 | 7 | 19 | 6 | 6 | 526.05 | 200.08 | 0.01672 |
| 608 | 8 | 22 | 7 | 7 | 741.87 | 303.49 | 0.0264 |
| 609 | 9 | 24 | 7 | 7 | 764.35 | 325.97 | 0.571 |
| 623 | 3 | 10 | 4 | 4 | 143.88 | 49.46 | 0.0044 |
| 624 | 4 | 13 | 5 | 5 | 294.5 | 110.16 | 0.0066 |
| 625 | 5 | 16 | 5 | 5 | 395.66 | 152.87 | 0.0088 |
| 626 | 6 | 19 | 6 | 6 | 526.05 | 198.96 | 0.0176 |
| 627 | 7 | 22 | 7 | 7 | 753.11 | 314.73 | 0.0308 |
| 628 | 8 | 24 | 8 | 8 | 899.23 | 357.44 | 0.571 |
| 629 | 9 | 26 | 8 | 8 | 1571.88 | 438.38 | 0.571 |
| Our Main Products |
| Our Company |
HangZhou Flow Group Ltd is a professional manufacturer of bearings, collecting together production and processing, domestic and foreign trade. The factory specializes in the production and export of many kinds of bearings: deep groove ball bearing, spherical roller bearing, tapered roller bearing, and so on. The customized bearings is also acceptable and the production will be according to your requirements and samples.
All bearings in our factory adopt international quality standards. The complete equipment, strict quality control, advanced Japanese technology and quality service provide a guarantee to supply the high-quality bearings for our customers. Domestic sales and service network has covered 15 major cities in China, meanwhile our bearing has sold more than 60 overseas countries and regions.
Our bearings have been widely used in agriculture, textiles, mining, printing and packaging industries, in addition to applications in airports, air conditioning systems, conveyors and ship also applied.
If you are interested in any of our bearings or have an intention to order, please feel free to contact us.
| FAQ |
SAMPLES
1.Samples quantity: 1-10 pcs are available.
2.Free samples: It depends on the model NO., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost.
3.It’s better to start your order with Trade Assurance to get full protection for your samples order.
CUSTOMIZED
The customized LOGO or drawing is acceptable for us.
MOQ
1.MOQ: 10 pcs mix different standard bearings.
2.MOQ: 5000 pcs customized your brand bearings.
OEM POLICY
1.We can printing your brand (logo,artwork)on the shield or laser engraving your brand on the shield.
2.We can custom your packaging according to your design
3.All copyright own by clients and we promised don’t disclose any info.
SUPORT
Please visit our Clunt bearings website, we strongly encourge that you can communicate with us through email,thanks!
| Contact Angle: | 0 |
|---|---|
| Aligning: | Deep Groove |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 2/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?
Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:
- Unusual Noise:
If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.
- Vibration:
Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.
- Increased Temperature:
Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.
- Irregular Movement:
If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.
- Reduced Performance:
If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.
- Visible Wear or Damage:
Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.
- Leakage or Contamination:
If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.
- Looseness or Excessive Play:
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
- Reduced Lifespan:
If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.
- Frequent Failures:
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.
It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.
What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?
Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:
- Contaminant Exclusion:
Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.
- Lubrication Retention:
Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.
- Corrosion Prevention:
Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.
- Extended Bearing Life:
Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.
- Enhanced Performance in Harsh Environments:
In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.
- Noise and Vibration Reduction:
Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.
- Customized Protection:
Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.
- Trade-Offs:
While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.
Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.
How does Lubrication Impact the Performance and Lifespan of Ball Bearings?
Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:
- Friction Reduction:
Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.
- Wear Prevention:
Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.
- Heat Dissipation:
Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.
- Corrosion Resistance:
Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.
- Noise Reduction:
Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.
- Seal Protection:
Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.
- Improved Efficiency:
Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.
- Lifespan Extension:
Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.
- Selection of Lubricant:
Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.
- Regular Maintenance:
Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.
In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.
editor by CX 2023-11-07