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KOYO NKJS55 Machined Needle Roller Bearing 55x85x28mm (With Inner Ring)
KOYO NKJS55 machined-type needle roller bearing, with inner ring. Bore 55mm, OD 85mm, width 28mm. High radial load capacity.
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- High running accuracy and rigidity for demanding industrial drives
- Koyo (JTEKT) precision manufacture to JIS standards
- Machined-type needle roller bearing - thick, rigid machined and ground outer ring
- Supplied with an integral inner ring for mounting on unhardened shafts
- Very high radial load and shock capacity in a compact cross section
| Brand | Koyo JTEKT |
|---|---|
| Bearing Type | Machined Needle Roller Bearing |
| Series | NKJS |
| Measurement System | Metric |
| Inner Diameter (Bore) | 55 mm |
| Outer Diameter | 85 mm |
| Width | 28 mm |
| Configuration | With Inner Ring |
| Material | Chrome Bearing Steel |
| Dynamic Load Rating (Cr) | 71000 N (71 kN) |
| Static Load Rating (C₀) | 114000 N (114 kN) |
| Limiting Speed (Grease) | 4400 rpm |
| Limiting Speed (Oil) | 6700 rpm |
| Weight | 0.569 kg |
| Features & Benefits | High running accuracy and rigidity for demanding industrial drives Koyo (JTEKT) precision manufacture to JIS standards Machined-type needle roller bearing - thick, rigid machined and ground outer ring Supplied with an integral inner ring for mounting on unhardened shafts Very high radial load and shock capacity in a compact cross section |
The KOYO NKJS55 is a machined-type needle roller bearing with its own inner ring, for a 55mm shaft (metric series). Machined and ground from solid bearing steel, it has a thick, rigid outer ring that carries very high radial loads and shock in a compact section. Boundary dimensions 55 x 85 x 28mm.
The integral inner ring provides a ready raceway so the bearing can mount directly on a soft or unhardened shaft. Suitable for high radial loads in gearboxes, pumps, and industrial machinery. Manufactured by Koyo (JTEKT), Japan.
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