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NTN 45287 is an inch-series single row tapered roller bearing with a straight bore. Designed for moderate radial and axial loads in industrial gearboxes, conveyor systems, and axle housings. This cone component is separable for simplified mounting and maintenance.
MODEL 45287
$70.00 Each
Prices are subject to change
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Returnable:No
Height
4.125
I.D.
2.125 in
Length
4.125
O.D.
4.125 in
Width
1.2188
Technical Specifications
Type |
Cone |
Bore Type |
Round |
Material |
Case Carburized Steel |
Static Load Rating |
42500 lbf188000 N188.00 kN |
Dynamic Load Rating |
31500 lbf139000 N139.00 kN |
Weight |
1.808 lb0.820 kg |
Operating Temperature Range |
-40 to 250 F-40 to 120 C |
Y2 (Axial Load Factor) |
1.80 |
e (Axial Load Factor) |
0.33 |
Dimensional Specifications
|
|
|
B |
2.1250 in53.975 mm |
Wi |
1.2188 in30.958 mm |
R |
0.0300 in0.800 mm |
U |
2.44 in62.0 mm |
V |
2.44 in62.0 mm |
a (Effective Load Center) |
-0.3200 in-8.100 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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