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Rollway 6211 NR 55 mm Bore Size, 100 mm Outside Diameter, Radial Ball Bearing, Straight Bore, 52100 Bearing Steel, Normal Radial Clearance 55 mm Bore Size, 100 mm Outside Diameter, Radial Ball Bearing, Straight Bore, 52100 Bearing Steel, Normal Radial Clearance
MODEL 6211 NR
This product has a minimum order quantity of (100 minimum) This is the minimum order quantity available when purchasing this product.
Contact supplier for technical support on: 800-626-2120
$125.54 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
Bore Size (mm)
55
Bore Type
Straight
Cage Material
Steel
Duplexing
No
Dynamic Load Rating (kN)
43.4
Dynamic Load Rating (lb)
9757
Full Complement/Caged
Caged
Height
3.94
Length
3.94
Material
52100 Bearing Steel
Misalignment
No
Number of Rows
1
O.D. (mm)
100
Overall Width (mm)
21
Platform
Deep Groove Ball Bearing
Radial Clearance
Normal
Rolling Element
Ball
Seal Type
Unsealed
Sealed
None
Series
6200
Speed (Max) Grease (rpm)
6300
Speed (Max) Oil (rpm)
7500
Static Load Rating (kN)
29.3
Static Load Rating (lb)
6587
Width
0.83
| Product Line | Single Row Deep Groove |
|---|---|
| Bore Dia (mm) | 55 |
| Series | 6200 |
| Version | Open |
| Radial Clearance | Normal |
| Weight Unit of Measure: | EA |
|---|---|
| Weight: | 1.35 |
| Sale Qty Multiple: | 1 |
| Packaged Length: | 4.06 |
| Packaged Width: | 4.06 |
| Packaged Height: | 1.14 |
| No. Links/Ft. : | 0 |
| Product Line: | Single Row Deep Groove |
| Bore Dia (mm): | 55 |
| Series: | 6200 |
| Version: | Open |
| Radial Clearance: | Normal |
Dimensions
| Part No | 6211 NR |
|---|---|
| Description | 6211 NR |
| d | 55mm (2.1654 inch) |
| D | 100mm (3.937 inch) |
| B | 21mm (0.8268 inch) |
| Basic Dynamic Rating Cr | 43.4kN (9757 pounds) |
| Basic Static Rating Cor | 29.3kN (6587 pounds) |
| Limiting Speed Grease (RPM) | 6, 300 |
| Limiting Speed Oil (RPM) | 7, 500 |
| rs (min) | 1.5mm (0.0591 inch) |
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
What are the dimensions and typical uses of a 6200 series ball bearing?
A standard 6200 ball bearing has: • 10 mm bore • 30 mm outer diameter • 9 mm width The 6200 series sits within the deep groove ball bearing family and is designed for light to moderate loads at relatively high speeds. You’ll typically find them in electric motors, small gearboxes, pumps, and general industrial equipment. They’re popular because they’re compact, widely available, and cost effective. Different variants exist such as sealed, shielded, or high clearance versions, depending on the application.
What is the difference between deep groove and angular contact ball bearings?
Deep groove ball bearings are the most common type. They’re designed to handle mainly radial loads, but they can also take some axial load in both directions. They’re simple, versatile, and used in everything from motors to conveyors. Angular contact ball bearings are built for combined loads, especially where there’s significant axial force in one direction. They’re often used in pairs and are common in higher precision or higher load applications like pumps and gearboxes. If your load is mostly radial, go deep groove. If axial load matters more, angular contact is usually the better choice.
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