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Koyo NKJS25A is an open type solid race needle roller bearing with a 25 mm bore, 47 mm outer diameter, and 22 mm width. This machined ring needle roller bearing is designed for high radial load capacity in compact spaces. Suitable for gearboxes, pumps, and industrial machinery.
MODEL NKJS25A
$85.74 Each
Prices are subject to change
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Bearing Design
Removable Inner Ring Straight
I.D.
25 mm
Inner Ring O.D.
32 mm
Limiting Speed - Oil
14000 rpm
O.D.
47 mm
Oil Hole
w/Oil Hole
Origin
Needle Radial
Precision Ground
Yes
Self Aligning
No
Width
22 mm
- Best used for high radial load applications
- Made from premium high carbon high chromium Japanese steel
- Available with no inner ring (NK NKS RNAO RNA2200 RNA48
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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