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IKO KT455017 Needle Roller and Cage Assembly 45x50x17mm
IKO KT455017 needle roller and cage assembly. Bore 45mm, outer 50mm, width 17mm. Runs directly on a hardened shaft and housing bore.
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- Cage prevents needle-to-needle contact for higher speeds and cooler running
- High radial load capacity with accurate, low-friction running
- IKO (Nippon Thompson) precision manufacture to JIS standards
- Needle roller and cage assembly - rollers guided by a one-piece cage
- Operating temperature approximately -20C to +120C
- Runs directly on a hardened, ground shaft and housing bore (no rings)
- Smallest radial section of any needle bearing for very compact designs
| Brand | IKO |
|---|---|
| Bearing Type | Needle Roller and Cage Assembly |
| Series | KT |
| Measurement System | Metric |
| Inner Diameter (Bore) | 45 mm |
| Outer Diameter | 50 mm |
| Width | 17 mm |
| Material | High Carbon Bearing Steel |
| Dynamic Load Rating (Cr) | 23300 N (23.3 kN) |
| Static Load Rating (C₀) | 47100 N (47.1 kN) |
| Limiting Speed (Oil) | 11000 rpm |
| Weight | 0.0295 kg |
| Features & Benefits | Cage prevents needle-to-needle contact for higher speeds and cooler running High radial load capacity with accurate, low-friction running IKO (Nippon Thompson) precision manufacture to JIS standards Needle roller and cage assembly - rollers guided by a one-piece cage Operating temperature approximately -20C to +120C Runs directly on a hardened, ground shaft and housing bore (no rings) Smallest radial section of any needle bearing for very compact designs |
The IKO KT455017 is a needle roller and cage assembly (KT series) for a 45mm shaft. Precision needle rollers are held and guided by a one-piece cage that spaces them evenly, giving high radial load capacity and accurate, low-friction running in the smallest possible radial section. Boundary dimensions 45 x 50 x 17mm.
The assembly has no inner or outer ring – it runs directly on a hardened and ground shaft (raceway diameter Fw) and housing bore (Ew), so it needs the least radial space of any needle bearing. Operating temperature range approximately -20C to +120C. Manufactured by IKO (Nippon Thompson), Japan, to JIS precision standards.
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