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IKO RNA6909UU Machined Needle Roller Bearing 52x68x40mm (Without Inner Ring)
IKO RNA6909UU machined-type needle roller bearing, without inner ring. Bore 52mm, OD 68mm, width 40mm. High radial load capacity.
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- High running accuracy and rigidity for demanding industrial drives
- IKO (Nippon Thompson) 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 | IKO |
|---|---|
| Bearing Type | Machined Needle Roller Bearing |
| Series | RNA |
| Measurement System | Metric |
| Inner Diameter (Bore) | 52 mm |
| Outer Diameter | 68 mm |
| Width | 40 mm |
| Configuration | Without Inner Ring |
| Material | Chrome Bearing Steel |
| Dynamic Load Rating (Cr) | 66600 N (66.6 kN) |
| Static Load Rating (C₀) | 127000 N (127.0 kN) |
| Limiting Speed (Grease) | 2100 rpm |
| Limiting Speed (Oil) | 3500 rpm |
| Weight | 0.355 kg |
| Features & Benefits | High running accuracy and rigidity for demanding industrial drives IKO (Nippon Thompson) 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 IKO RNA6909UU is a machined-type needle roller bearing without an inner ring (runs on a hardened, ground shaft or a separate inner ring), for a 52mm 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 52 x 68 x 40mm.
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 IKO (Nippon Thompson), Japan.
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