K50X55X17 INA Needle Roller Cage Assembly 50x55x17mm

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Single row needle roller cage bearing 50mm inside x 55mm outside x 17mm width

Needle roller and cage assemblies are single or double row units comprising cages and needle rollers. Since their radial section is no greater than the diameter of the needle rollers, needle roller and cage assemblies allow bearing arrangements with a very small radial design envelope to be achieved. They have very high load carrying capacity, are suitable for high speeds and can be easily fitted.

If the raceways are produced to high geometrical accuracy, bearing arrangements with high runout accuracy can be achieved.

The radial internal clearance can be influenced by the needle roller sort and by the shaft and housing tolerance.

Needle roller and cage assemblies require a hardened and ground raceway on the shaft and in the housing.

Dimensions
Fw: 50mm
Ew: 55mm
Bc: 17mm

Basic dynamic load rating, radial: 22100 N
Basic static load rating, radial: 47000 N
Fatigue limit load, radial: 7300 N

Limiting speed: 9300 1/min
Reference speed: 5700 1/min

Mass: 35.0g

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