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NTN 5211ALLBD1C2 is a double-row angular contact ball bearing with a 55 mm straight bore. It features double non-contact rubber seals and a steel cage. The bearing is constructed from high carbon chrome steel and is designed for applications requiring combined radial and axial load capacity.
MODEL 5211ALLBD1C2
$175.27 Each
Prices are subject to change
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Returnable:No
B (in)
1.3110
Ball Material
Steel
Ball material
Steel
Bore Type
Round
Bore type
Round
Cage Material
Steel
Cage material
Steel
Cage Type
Pressed
Cage type
Pressed
Configuration
Two
Contact angle
25 º
d (in)
2.1654
D (in)
3.9370
Da max
3.5827 in
da min
2.5197 in
Enclosure
Double Sealed
I.D.
55 mm
Limiting Speed - Grease
4300 RPM
Limiting speed - grease
4300 RPM
Material
High carbon chrome steel
O.D.
100 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Outside Ring Type
Straight
Precision
Class 0
r (in)
0.0591
Radial Internal Clearance
C2
Radial internal clearance
C2
ras max
0.0591 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Non-Contact
Seal type
Non-Contact
Type
Angular Contact Ball Bearing
Technical Specifications
Type | Angular Contact Ball Bearing |
Bore Type | Round |
Outside Ring Type | Straight |
Material | High Carbon Chrome Steel |
Cage Type | Pressed |
Cage Material | Steel |
Ball Material | Steel |
Limiting Speed - Grease | 4300 RPM |
Seal Type | Non-Contact |
Seal Material | Nitrile Rubber |
Precision | Class 0 |
Configuration | Two |
Radial Internal Clearance | C2 |
Enclosure | Double Sealed |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
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.
| Brand | NSI Industries |
| Model | IPLMD600-10 |
| Brand | MROSupply Fasteners |
| Model | FSTPCK-798425 |
