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Unit of Measure

Technical Specifications

Type

Machined-Ring Needle Roller Bearing

Roller Type

Needle

Bearing Type

Needle Roller Bearing

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Oil

3500 RPM

Limiting Speed - Grease

2300.0 RPM

Enclosure

Open

Static Load Rating

109000 lbf485000 N485.00 kN

Dynamic Load Rating

58500 lbf260000 N260.00 kN

Weight

6.415 lb2.910 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Open Image
Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA49.R, RNA59, RNA69.R, NK.R, MR Series - Dimensions

Fw

4.5000 in114.300 mm

Fw Tolerance

0.058/0.036 mm

D

6.0000 in152.400 mm

C

2.5000 in63.500 mm

r

0.0984 in2.500 mm

Da max

5.6496 in143.500 mm

ras max

0.0984 in2.500 mm