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Koyo NKJ12/20A is a machined ring needle roller bearing with a 12 mm bore, 24 mm OD, and 20 mm width. This open-type solid race bearing is designed for heavy radial loads in limited radial space. Suitable for gearboxes, pumps, and industrial machinery.
MODEL NKJ12/20A
$40.12 Each
Prices are subject to change
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Returnable:No
Bearing Design
Removable Inner Ring Straight
I.D.
12 mm
Inner Ring O.D.
16 mm
Limiting Speed - Oil
28000 rpm
O.D.
24 mm
Oil Hole
w/Oil Hole
Origin
Needle Radial
Precision Ground
Yes
Self Aligning
No
Width
20 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 RNA49 series)
- Available with inner ring (NA48 NA49 NA69 NAO NKJ NKJS series)
- Available as a double row with inner ring (NA69 series)
- Available as a double row without inner ring (RNA69 series)
- A steel cage is standard .TN calls out a polymer cage
- Available with two seals (.2RS) in the RNA4900
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.
#6573242
Brand
Consolidated Bearings
Model
NKI-12/20
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