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Koyo NTH-3258 thrust needle roller bearing with a 2" inner diameter, 3.595" outer diameter, and 0.375" width. This open-type bearing is designed for axial load applications in industrial machinery and automotive transmissions.
MODEL NTH-3258
$129.58 Each
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Bearing Design
Cage & Roller Assembly
Diameter to Clear Assembly Bore
1.942 in
Diameter to Clear Assembly O.D.
3.655 in
Dynamic Load Rating
25.7 lbf
Housing Pilot Diameter
3.6 in
I.D.
2 in
O.D.
3.595 in
Oil Hole
w/o Oil Hole
Origin
Needle Roller & Cage
Precision Ground
Yes
Self Aligning
No
Shaft Pilot Diameter
2 in
Shaft Pilot Diameter [MIN]
2 in
Static Load Rating [MAX]
88.5 lbf
Width
3/8 in
- Best used for maxium axial load capacity that requires a thin cross section
- Steel cages are standard for NTHA inch product
- Metric product (81100 and 81200 series) is available with a steel cage (LPB) or polymer (TVPB)
- NTHA calls out a complete inch assembly (two washers and bearing)
- "K." in the prefix calls out bearing only (no washers included) for 81100 and 81200 metric series
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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