Product Description
Product Description
| BK type: thrust pillow block fixed |
BK10, BK12, BK15, BK17, BK20, BK25, BK30, BK35, BK40, BK50 |
| BF type: radial simple support |
BF10, BF12, BF15, BF17, BF20, BF25, BF30, BF35, BF40, BF50 |
| EK type: fixed side |
EK06, EK08, EK10, EK12, EK15, EK20, EK25 |
| EF type: floated side |
EF06, EF08, EF10, EF12, EF15, EF20, EF25 |
| FK type: flange mount thrust bearing |
FK06, FK08, FK10, FK12, FK15, FK17, FK20, FK25, FK30, FK40 |
| FF type: flange mount simple support |
FF06, FF08, FF10, FF12, FF15, FF17, FF20, FF25, FF30, FF40 |
Detailed Photos
Product Parameters
Packaging & Shipping
Company Profile
ZheJiang Sair Mechanical Xihu (West Lake) Dis. Co., Ltd
ZheJiang Sair Mechanical Xihu (West Lake) Dis. Co., Ltd is 1 of the biggest linear CZPT and ball screw manufacture in China,with strong technical strength, advanced production equipments, high-quality staff team and perfect after-sales services, our company is the precision machinery manufacturer with research and development, manufacturing, sales, service all in one.
After Sales Service
Customer Service
The products are mature with high quality. They are not only sold well all over the country, but also exported to Europe, Americas, Southeast Asia, Africa and more than 70 countries. They have excellent marketing performance, highly appreciated and trusted by the vast number of customers.
If you have any needs, Please contact with me directly!
FAQ
1. Q: How about the quality of your product?
A: 100% inspection during production. Our products are certified to ISO9001-2008 international quality standards.
2. Q: What’s the delivery time?
A: For custom order, within 2000 meters, Production time is 15days after confirmed every details.
3. Q: What’s your packing?
A: Our Normal packing is bulking in PE bag, and then into plywood Cartons. We also can pack products according to your requirement.
4. Q: What about the warranty?
A: We are very confident in our products,and we pack them very well to make sure the goods in well protection.
5. Q: Could you send me your catalogue and price list?
A: As we have more than hundreds of products,it is really too hard to send all of catalogue and price list for you. Please inform us the style you interested, we can offer the pricelist for your reference.
6. Q:There are a lot of companies which export bearings, why do you choose us?
A: As we are a genuine linear CZPT supplier since 2011.and we are really factory, you need not pay the profit for middlemen. so we can offer you the lowest and competitive price .
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| Application: | 3D Printer |
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| Material: | Steel |
| Structure: | Ball Screw |
| Samples: |
US$ 10/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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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 Temperature and Environmental Conditions Affect the Performance of Ball Bearings?
Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:
- Lubrication:
Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.
- Material Properties:
Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.
- Clearance Changes:
Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.
- Corrosion and Contamination:
Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.
- Thermal Stress:
Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.
- Noise and Vibration:
Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.
- Lubricant Degradation:
Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.
- Seal Effectiveness:
Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.
- Choosing Appropriate Bearings:
When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.
Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.
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 2024-02-15
China Standard Ball Screw Support Bearing Bracket Ball Screw Seat High Precision Ballscrew End Support Unit Bearing with Great quality
Item Description
Stop-machining Ball Screw Assist Unit BKBF15 Fastened Aspect Help Unit
Ballscrew can be mounted with ballnut,ballscrew assistance,coupling,nut housing as total named ballscrew set.
Fastened part Supporting element
BK(6,8,ten,12,fifteen,seventeen,20,25,30,35,40) BF(6,8,ten,twelve,fifteen,seventeen,twenty,25,30,35,forty)
EK(ten,twelve,fifteen,twenty) EF( 10,12,15,twenty)
FK(8,ten,twelve,fifteen,20) FF(8,10,12,fifteen,20,25,30)
BK Type – Thrust pillow block fixed
BF Type – Radial easy help
FF Type – Flange mount easy support
FK Type – Flange mount thrust bearing
EK Sort – Set aspect
EF Type – Fioated facet
Distinct Types
About Us
Toco transmission Co.,Ltd arefound in 2005,specialized in making ball screw ,linear CZPT ,linear ball bushing ,ball screw spline ,mono phase and other transmission areas .
Each and every process from turning to grinding and even retainer are attained by ourselves ,thus assure each and every of our product a higher efficiency and prolonged life time and a smooth and specific movement due to the bare minimum friction rolling.
We location enormous importance on our reputation – a track record that appears to preceed us more and much more. This reputation can only expand by way of excellent provider and good quality items so we are fully commited to growing our variety with nothing at all but the very best merchandise and companies and the in-residence understanding to back it all up. Of training course, in-property expertise is vitally critical, not just to us, but you as a consumer – so we are CZPT to host some of the greatest individuals in the industry.
FAQ
1. Services :
a. Assist consumer to pick proper product
b. Expert product sales group, make your acquire sleek.
two.payment :
Sample purchase: We demand one hundred% T/T in progress. sample express require request spend by clients
Bulk purchase: 30% T/T in advance, harmony by T/T against copy of B/L.
T/T,Paypal, Western Union is appropriate.
3.Delievery :
sample: 5-10 company times right after payment verified.
Bulk order :10-20 workdays after deposit acquired .
4. Promise time
TOCO offers 1 calendar year good quality assure for the items from your acquire day, besides the synthetic damage.
5.Right after sale-services
Throughout warranty time period, any good quality dilemma of CZPT product, when confirmed, we will ship a new 1 to replace.
Kinds of Ball Bearings
There are a lot of sorts of Ball Bearings obtainable on the market, but which a single is greatest for your application? Here, we will go over the variations in between Angular contact, Solitary-row, Substantial-carbon steel, and Ceramic ball bearings. These types of bearings also feature races, or a groove in the heart of every. These races are important in trying to keep the balls contained inside of the cylinder. They also provide a groove-baed pathway.
Ceramic
The ceramic ball used in ball bearings has numerous benefits. It is lightweight, operates at lower temperatures, has reduced skidding, and is resistant to electrolysis. The ball also exhibits for a longer time tiredness life. All of these aspects make the ceramic ball a excellent option for numerous purposes. But, how do you know if a ceramic ball bearing is correct for your application? Read on to find out why ceramic ball bearings are a greater choice than metal or stainless metal types.
The ceramic balls are 40% a lot more dense than steel. This means significantly less centrifugal pressure is produced on the bearing, which suppresses warmth era. Since of this lowered friction, ceramic bearings are more productive at transferring power. In contrast to steel bearings, ceramic balls have longer lifestyle spans. Nevertheless, these ceramic balls usually are not as powerful as metal. As a result, it is critical to recognize the constraints of the ceramic ball bearing prior to getting one.
The ceramic components employed for ball bearings are resistant to micro-welding. Metals undergo this process when imperfections in the surfaces interact. Sooner or later, this final results in a brittle ball that minimizes the existence of a bearing. Not like metals, ceramic components have a steady actions at substantial temperatures and show much less thermal enlargement. This indicates that they can be used for applications exactly where lubrication isn’t really an choice.
Whilst steel balls can easily soak up contaminants and overseas particles, the ceramic ball is insensitive to this, and will not require lubrication. This means they’re not vulnerable to corrosion and other frequent problems. These are just a number of reasons why ceramics are a better selection. This technology has a wide variety of makes use of. It is easy to see why it is so well-liked. If you are searching for a new bearing for your software, be confident to contact an AST Programs Engineer. They can examine your functioning problems and possible failure modes.
Angular speak to
An Angular Contact Ball Bearing (also identified as an angular-make contact with bearing) has an axial component that is created when radial masses are applied. They are normally utilized in pairs, triplex sets, or quadruplex sets. These bearings are also obtainable with Tremendous Completed Raceways to reduce sounds and enhance lubricant distribution. Angular make contact with ball bearings have various design units, such as bore dimension, outer diameter, and outer ring width.
A solitary-row angular contact bearing has a radial make contact with angle that is equivalent to the angular distance between the two rings. Double-row angular bearings are made for two-way thrust functionality. These kinds of bearings can be obtained at Grainger and other on the internet suppliers. A standard angular get in touch with bearing will final up to a million revolutions. They are usually employed in industrial angular get in touch with bearings.
Solitary-row angular speak to ball bearings attribute a established get in touch with angle. These bearings can assistance radial and axial loads, but they can not endure higher speeds. One-row angular speak to ball bearings could also have 1 or two shoulders relieved. Thrust load is a pressure put on the bearing when it is mounted in an assembly, and it is utilized to create an angle amongst the races.
Angular speak to ball bearings arrive in single and double-row configurations. They vary in the axial load they can carry and the sort of lubrication they use. Angular contact ball bearings are ideal for high-pace programs and can accommodate each radial and axial masses. The sort of get in touch with and lubrication used in angular-contact ball bearings depends on the intended use for the bearing.
Higher-carbon steel
Carbon metal is a reduced-alloy and substantial-carbon steel utilised in bearings. This material supplies exceptional energy and exhaustion properties for ball and roller bearings. Its mechanical properties are excellent for applications in which the temperature is less than four hundred degrees Fahrenheit. Higher-carbon steel is also utilized to make bearing elements for chrome steel bearings. These kinds of steels are softer than chrome metal but provide outstanding durability in programs in which the material is uncovered to significant problems.
Hardened carbon steel balls with an AISI 1015 hardness index are used in a range of automotive, commercial, and semi-precision apps. In addition to automotive applications, they are also employed in slides, trolleys, and conveyors. AISI 1015 carbon metal balls are employed in bearings. They can be bought in a assortment of weights and diameters. Carbon steel balls can also be purchased in nickel-plated or uncoated types for ornamental reasons.
In buy to decide whether or not a ball bearing is manufactured of high-carbon metal, the content have to be examined for its hardness. An ordinary pocket magnet will perform well, but an regular rare earth magnet just isn’t potent enough to evaluate the hardness. If it appeals to the magnet strongly, the metallic is steel, although a weak magnet suggests a non-ferrous materials. A hardness examination demands a special microhardness test.
A reduce-carbon metal is an additional selection. Some miniature bearing makers use a materials with significantly less carbon than AISI 440C. This material is also identified as KS440 or X65Cr13. Following becoming heat-dealt with, it develops scaled-down carbides, ensuing in exceptional low-sound characteristics and the same corrosion-resistance as 440C. These supplies are a significantly less pricey different than chrome metal, but they are typically considerably less sturdy than chrome alloy steel.
One-row
Single-row angular contact ball bearings accommodate axial loads in one direction. These are generally adjusted towards a second bearing. In contrast to other ball bearings, they are non-separable and have an higher and reduced shoulder. Single-row ball bearings are produced of Chromium Metal (GCr15) which is warmth-treated to accomplish high uniform hardness and exceptional put on resistance. They are the most frequently utilized kind of bearings in the globe.
Since of the angular get in touch with in between the radial airplane and the raceway, one-row ball bearings transmit radial forces from raceway to raceway. A increased a, the better the axial load carrying potential of the bearing. One-row angular contact ball bearings are perfect for large axial masses. However, they have minimal preload abilities and have to be installed in pairs. Hence, they are greatest used for programs in which axial forces must be distributed.
Solitary-row ball bearings can be pre-lubricated and have metal shields. They are also available with rubber seals or snap rings on the outdoors edge. They are offered with various retainers, including pressed metal cages, plastic shields, and rubber seals. A tapered bore is also obtainable upon request. They are best for programs exactly where area is minimal. The 6200 collection of bearings are particularly well suited for electrical motors, dental hand tools, and optical encoders.
One-row angular speak to ball bearings are widely utilised for axial loads. The outer and inner rings have marginally greater radii than the balls. These bearings can accommodate large speeds and reduced torque. They can also be equipped with diverse grease ranges. If grease is needed, you can decide on a lubricant that has distinct qualities depending on the software. They are effortless to put in and maintain. Even so, they are not suggested for adjacent mounting.
Plastic
A plastic ball bearing is a highly adaptable component that can be mounted in a selection of components, like wheels, pulleys and housings. The outer ring of a plastic bearing is generally the pulley profile. The internal ring can be made of a shaft or polymer. The built-in design and style of a plastic ball bearing helps to reduce assembly time and cost. Right here are some of the advantages of this type of bearing:
Initial and foremost, plastic balls are lighter than metallic balls. They also have less magnetic houses than steel balls, producing them the very best alternative for purposes requiring lower excess weight and noise. Glass balls are also lighter than stainless metal balls, generating them the best metal-free option. They are also extremely corrosion-resistant, which tends to make them a fantastic choice for some programs. In addition to currently being lightweight, polymer ball bearings are also silent. And since of their low bodyweight, plastic ball bearings are excellent for purposes that call for quickly speed.
One more edge of plastic bearings is their potential to endure higher temperatures. This substance is also abrasion and corrosion-resistant. It fulfills Fda and USDA acceptance requirements. Aside from its abrasion-resistant and corrosion-resistant houses, these plastics do not transfer warmth. Apart from currently being really sturdy and versatile, most plastics are also self-lubricating. Widespread plastics incorporate phenolics, acetals, nylon, and ultra substantial molecular excess weight polyethylene. Even so, plastics have limits, and these supplies could be destroyed by severe temperatures or chilly movement beneath hefty loads.
Other positive aspects of plastic ball bearings contain their reduced density, higher hardness and reduced friction coefficient, and capability to face up to warmth and corrosion. Ceramics are also lightweight, non-conductive, and have outstanding resistance to friction. These merchandise can face up to temperatures up to 1,800 degrees Fahrenheit. If you’re in the market place for a plastic ball bearing, it truly is important to decide on the proper sort of materials. And if you happen to be looking for a large-top quality bearing, search no even more.
