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KOYO NKS50 Machined Needle Roller Bearing 50x65x22mm (Without Inner Ring)
KOYO NKS50 machined-type needle roller bearing, without inner ring. Bore 50mm, OD 65mm, width 22mm. 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 without an inner ring - runs on a hardened, ground shaft or a separate inner ring
- Very high radial load and shock capacity in a compact cross section
| Brand | Koyo JTEKT |
|---|---|
| Bearing Type | Machined Needle Roller Bearing |
| Series | NKS |
| Measurement System | Metric |
| Inner Diameter (Bore) | 50 mm |
| Outer Diameter | 65 mm |
| Width | 22 mm |
| Configuration | Without Inner Ring |
| Material | Chrome Bearing Steel |
| Dynamic Load Rating (Cr) | 45500 N (45.5 kN) |
| Static Load Rating (C₀) | 71300 N (71.3 kN) |
| Limiting Speed (Grease) | 5700 rpm |
| Limiting Speed (Oil) | 8700 rpm |
| Fillet Radius (r min) | 1 mm |
| Weight | 0.17 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 without an inner ring - runs on a hardened, ground shaft or a separate inner ring Very high radial load and shock capacity in a compact cross section |
The KOYO NKS50 is a machined-type needle roller bearing without an inner ring (runs on a hardened, ground shaft or a separate inner ring), for a 50mm 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 50 x 65 x 22mm.
Where no inner ring is used, the shaft must be hardened and ground to serve as the raceway. Suitable for high radial loads in gearboxes, pumps, and industrial machinery. Manufactured by Koyo (JTEKT), Japan.
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