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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

2600 RPM

Limiting Speed - Grease

1700 RPM

Enclosure

Open

Static Load Rating

142000 lbf630000 N630.00 kN

Dynamic Load Rating

69500 lbf310000 N310.00 kN

Weight

8.245 lb3.740 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

6.0000 in152.400 mm

Fw Tolerance

0.068/0.043 mm

D

7.5000 in190.500 mm

C

2.5000 in63.500 mm

r

0.1181 in3.000 mm

Da max

6.9882 in177.500 mm

ras max

0.1181 in3 mm