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

3100 rpm

Limiting Speed - Grease

2100 rpm

Enclosure

Open

Static Load Rating

108000 lbf480000 N480.00 kN

Dynamic Load Rating

56000 lbf250000 N250.00 kN

Weight

6.327 lb2.87 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 in127 mm

Fw Tolerance

0.068/0.043 mm

D

6.5000 in165.100 mm

C

2.2500 in57.150 mm

r

0.09840 in2.500 mm

Da max

6.1417 in156.000 mm

ras max

0.0984 in2.5 mm