Product Description

Product Parameters

Model	Category	RTS/Custom	Size(mm) d*D*H (mm)	Precision grade	Seal Type	Number of Row	Application
6201	Deep Groove Ball Bearing	RTS	10*30*9mm	P0 P2 P4 P5 P6	OPEN ZZ 2RS RS	Single	Machinery
Material	Material of Balls	Lubrication	Vibration	Clearance	Hardness	Deliery Time	Packing
Chrome Steel GCr15	Chrome Steel GCr15	Grease or Oil	Standard Vibration Z1/Z2/Z3/Z4/V1/V2/V3/V4	Standard Clearance C0/C2/C3/C4/C5	HRC60-65	<=50000,3 <=100000,5	Single Box+Cartons+Pallet

Product Description

Detailed Photos

Our business:Produce and customize various bearing brands. (Packaging and logo can be customized. All copyright belongs to the customer. We promise not to disclose any information.)

Product Series

Bearing type	Boundary  Dimensions( mm )			Speed  Rating(ipm)		Load Rating(kn)		Weight(kg)
	d	D	B	Grease lubrication	Oil lubrication	Dynamic Cr	Static Cor
6200	10	30	9	20000	26000	5.1	2.38	0.032
6201	12	32	10	19000	24000	6.82	3.05	0.037
6202	15	35	11	18000	22000	7.65	3.72	0.045
6203	17	40	12	16000	20000	9.58	4.78	0.065
6204	20	47	14	14000	18000	12.8	6.65	0.106
6205	25	52	15	13000	15000	14	7.85	0.128
6206	30	62	16	11000	13000	19.5	11.3	0.199
6207	35	72	17	9200	11000	25.7	15.4	0.288
6208	40	80	18	8000	10000	29.5	18	0.368
6209	45	85	19	7000	9000	31.5	20.5	0.416
6210	50	90	20	6700	8500	35	23.2	0.463
6211	55	100	21	6000	7500	43.5	29.2	0.6
6212	60	110	22	5600	7000	47.8	32.8	0.78
6213	65	120	23	5000	6300	57.2	40	0.99
6214	70	125	24	4800	6000	60.5	45	1.08
6215	75	130	25	4500	5600	66	49.5	1.17
6216	80	140	26	4300	5300	71.5	54.5	1.44
6217	85	150	28	4000	5000	83	63.8	1.8
6218	90	160	30	3800	4800	95.8	71.5	2.17
6219	95	170	32	3600	4500	108	81.5	2.61
6220	100	180	34	3400	4300	122	92.8	3.2
6221	105	190	36	3200	4000	133	105	3.78
6222	110	200	38	3000	3800	144	117	4.42
6224	120	215	40	2600	3400	155	131	5.3
6226	130	230	40	2400	3200	165	148	6.12
6228	140	250	42	2000	2800	179	167	7.77
6230	150	270	45	1900	2600	203	199	9.78
6232	160	290	48	1800	2400	215	218	12.22
6234	170	310	52	1700	2200	245	260	15.24
6236	180	320	52	1600	2000	262	285	15.51
6238	190	340	55	1500	1900	285	322	18.691
6240	200	360	58	1400	1800	288	332	22.577
6244	220	400	65	1200	1600	355	365	36.5
6248	240	440	72	1000	1400	358	467	53.9
6252	260	480	80	800	1200	390	530	68.3
6256	280	500	80	700	1000	423	600	75.3
6260	300	540	85	500	800	462	670	85.6
6264	320	580	92	300	600	527	800	93.7
6268	340	620	92	200	400	559	900	108.4
6272	360	650	95	100	200	597	1000	120

Type Of Deep Groove Ball Bearing
1. Deep Groove Ball Bearing With Dust Cover
Generally Used In The Single Lubrication Is More Difficult, The Placement Of Lubricating Oil And Check The Lubrication Is Not Convenient Conditions, Usually Injected Into The Bearing Rust, Lubrication Dual-Purpose Lithium Grease Is 1/4 To 1/3 Of The Bearing Internal Space.

2. Deep Groove Ball Bearing With Sealing Ring
Its Performance, Grease Filling, Use And Bearing With Dust Cover Are Basically The Same, The Difference Is That There Is A Large Gap Between The Dust Cover And The Inner Ring, And The Sealing Lip And The Inner Ring Of The Non-Contact Seal Ring Is Small, There Is No Gap Between The Sealing Lip And The Inner Ring Of The Contact Seal Ring Bearing, The Sealing Effect Is Good, But The Friction Coefficient Has Increased.

3, There Are Stop Groove And Deep Groove Ball Bearings With Stop Ring
In Addition To The Function Of Bearing Radial Load, The Deep Groove Ball Bearing With The Stop Ring Can Also Limit The Axial Displacement Of The Bearing, Simplify The Structure Of The Bearing Seat And Reduce The Bearing Size. Generally Used In Cars, Tractors And Other Axial Load Is Not Large Working Parts.

4. Deep Groove Ball Bearing With Ball Filling Gap
There Are Notches In The Inner And Outer Rings On One Side, From Which More Balls Can Be Loaded, Increasing Its Radial Load Capacity. However, Due To The Small Axial Load Capacity, It Can Not Run At High Speed. If There Is A Large Axial Load, It Needs To Be Used With The General Deep Groove Ball Bearing.

Packaging & Shipping

Company Profile

 

Exhibitions&Partners

FAQ

Q:Are you trading company or manufacturer?
–We are the company dealing in trading business and manufacturing business.

Q:What’s the MOQ?
–MOQ is 2pcs for standardized products; 300pcs for customized products. There is no MOQ for sample orders.

Q:How long is the lead time?
–The lead time for sample orders is 1-3 days, for bulk orders is generally in 3-15 days.The delivery time is generally in 2 days after payment. It’s according to the order amount.

Q:Do you offer free samples?
–If you place an order, we can return part of sample fee even all of fee to you. It also depends on the quantity of order and the type of sample. And you just need to pay freight.

Q: Could you customized for me?
–Sure,we can supply OEM service as per your drawing or samples.
 

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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 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 lmc 2024-11-27