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The NTN 1220-TRB is a tapered roller bearing cup for inch series applications. Manufactured from case carburized steel, this cup is designed for use with a matching cone in single-row tapered roller bearing assemblies. Suitable for moderate-speed industrial applications requiring separable bearing components.
MODEL 1220-TRB
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$34.30 Each
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Brand Minimum Order Quantity: 2
Typically Ships in: 1 day
Returnable:No
D (in)
2.2500
I.D.
0.875 in
Material
Case carburized steel
O.D.
2.25 in
r (in)
0.0600
Type
Bearing Cup
W
0.8750 in
Wo
0.6875 in
X
2.05 in
Z
1.93 in
Technical Specifications
| Type | Bearing Cup |
|---|---|
| Material | Case Carburized Steel |
Dimensional Specifications
| |
| D | 2.2500 in57.150 mm |
|---|---|
| Wo | 0.6875 in17.463 mm |
| W | 0.8750 in22.225 mm |
| r | 0.0600 in1.500 mm |
| X | 2.05 in52.0 mm |
| Z | 1.93 in49.0 mm |
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.
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