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NTN 5312T2ZZNR double-row angular contact ball bearing with a 60 mm straight bore. Double shielded for contamination protection and includes a snap ring for axial location. Nylon cage reduces friction and noise. Suitable for pumps, compressors, and machine tool spindles requiring combined radial and axial loads.
MODEL 5312T2ZZNR
$298.34 Each
Prices are subject to change
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A (in)
0.1520
a (in)
2.6496
B (in)
2.1260
Ball material
Steel
Ball Material
Steel
Bore type
Round
Bore Type
Round
Cage material
Nylon
Cage Material
Nylon
Cage type
Fiber glass reinforced
Cage Type
Fiber Glass Reinforced
Configuration
Two
D (in)
5.1181
d (in)
2.3622
D1
4.9098 in
D2
5.5000 in
Dynamic load rating
28100 lbf
Dynamic Load Rating
28100 lbf
Enclosure
Double Shielded
f (in)
0.1220
Limiting speed - grease
3500 RPM
Limiting Speed - Grease
3500 RPM
Material
High Carbon Chrome Steel
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
Precision
Class 0
r (in)
0.0827
Radial internal clearance
CN
Radial Internal Clearance
CN
Seal material
None
Seal type
None
Static load rating
22000 lbf
Static Load Rating
22000 lbf
Type
Angular Contact Ball Bearing
Technical Specifications
Type | Angular Contact Ball Bearing |
Bore Type | Round |
Material | High Carbon Chrome Steel |
Cage Type | Fiber Glass Reinforced |
Cage Material | Nylon |
Ball Material | Steel |
Limiting Speed - Grease | 3500 RPM |
Seal Type | None |
Seal Material | None |
Precision | Class 0 |
Configuration | Two |
Radial Internal Clearance | CN |
Static Load Rating | 22000 lbf98000 N98.00 kN |
Dynamic Load Rating | 28100 lbf125000 N125.00 kN |
Enclosure | Double Shielded |
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.
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