Product Description
Product Parameters
Model | Category | RTS/Custom | Size(mm) d*D*H (mm) |
Precision grade | Seal Type | Number of Row | Application |
6216 | Deep Groove Ball Bearing | RTS | 80*140*26mm | 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
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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 1-3Â 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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Material: | Chrome Steel Gcr15 |
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Bearing Type: | 6216 |
Category: | Deep Groove Ball Bearing |
Seal Type: | Open Zz 2RS RS |
Number of Row: | Single |
Weight: | 1.44kg |
Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
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Customization: |
Available
| Customized Request |
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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.
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.
How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?
Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:
- Design:
Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.
Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.
- Friction and Efficiency:
Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.
Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.
- Load Capacity:
Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.
Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.
- Variability:
Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.
Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.
- Speed Capability:
Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.
Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.
- Applications:
Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.
Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.
In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.
editor by CX 2024-04-30