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

2900 rpm

Limiting Speed - Grease

1900 rpm

Enclosure

Open

Static Load Rating

132000 lbf585000 N585.00 kN

Dynamic Load Rating

64000 lbf285000 N285 kN

Weight

7.628 lb3.46 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


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

Fw

5.5 in139.7 mm

Fw Tolerance

0.068/0.043 mm

D

7.0000 in177.800 mm

C

2.5000 in63.500 mm

r

0.09840 in2.500 mm

Da max

6.6535 in169 mm

ras max

0.0984 in2.5 mm