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NTN HM903244 single-row tapered roller bearing cone from the inch series. Straight bore, case carburized steel construction for durability under heavy radial and axial loads. Designed for use in industrial gearboxes, vehicle drivetrains, and high-load applications.
MODEL HM903244
$90.36 Each
Prices are subject to change
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a (Effective Load Center)
0.0200 in
B (in)
1.6250
Bore Type
Round
Bore type
Round
Dynamic Load Rating
21600 lbf
Dynamic load rating
21600 lbf
e (Axial Load Factor)
0.74
Height
3.875
I.D.
1.625 in
Length
3.875
Material
Case carburized steel
O.D.
3.75 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
R (in)
0.0600
Static Load Rating
26100 lbf
Static load rating
26100 lbf
Type
Cone
Wi
1.1142 in
Y2 (Axial Load Factor)
0.81
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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