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Rollway 7211 B 55 mm Bore Size, 100 mm Outside Diameter, Angular Contact Ball Bearing, Straight Bore, 52100 Bearing Steel, Normal Radial Clearance 55 mm Bore Size, 100 mm Outside Diameter, Angular Contact Ball Bearing, Straight Bore, 52100 Bearing Steel, Normal Radial Clearance
MODEL 7211 B
Contact supplier for technical support on: 800-626-2120
$81.60 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: Yes
Bore Size (mm)
55
Bore Type
Straight
Cage Material
Steel
Contact Angle
40°
Duplexing
No
Dynamic Load Rating (kN)
46.2
Dynamic Load Rating (lb)
10386
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 (in)
0.827
Overall Width (mm)
21
Platform
Single Row Angular Contact Ball Bearing
Radial Clearance
Normal
Rolling Element
Ball
Seal Type
Unsealed
Sealed
None
Series
7200B
Speed (Max) Grease (rpm)
5300
Speed (Max) Oil (rpm)
7000
Static Load Rating (kN)
36.2
Version
B
Width
0.83
Regal Beloit Rollway 7211 B
UPC: 637410096233 | UNSPSC: 31171531 | GTIN:
Bearings > Ball Bearings > Angular Contact Ball Bearings
Rollway Angular Contact Ball Bearing, Round Straight Bore Unmounted, Series: 7200B, 55 mm Bore Dia, 100 mm Outside Dia, 1 Row, 21 mm W, 40 deg Contact, Open Closure, 46.2 kN Dynamic/36.2 kN Static, Steel Bearing, Pressed Steel Cage, 5300 rpm Grease/7000 rpm Oil Maximum, 150 deg C
Features:
- Quiet and smooth running even at higher speed
- Seals are best protection against contamination in tough environments
- Rollway quality control procedure
- Straight outside ring shape
Specs:
| Contact Angle | 40 deg |
|---|---|
| Cage Material | Pressed Steel |
| Bearing Material | Steel |
| Temperature Rating | 150 deg C |
| Load Capacity | 46.2 kN Dynamic/36.2 kN Static |
| Closure Type | Open |
| Bore Diameter | 55 mm |
| Outside Diameter | 100 mm |
| Number of Rows | 1 |
| Maximum Speed | 5300 rpm Grease/7000 rpm Oil |
| Width | 21 mm |
| Type | Round Straight Bore Unmounted |
| Series | 7200B |
Packaging:
| Length | 3.94 in |
|---|---|
| Width | 0.83 in |
| Height | 3.94 in |
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 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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