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

2200 rpm

Limiting Speed - Grease

1500 rpm

Enclosure

Open

Static Load Rating

206000 lbf915000 N915.00 kN

Dynamic Load Rating

98000 lbf435000 N435.00 kN

Weight

16.226 lb7.360 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

7.25 in184.15 mm

Fw Tolerance

0.079/0.050 mm

D

9.1250 in231.775 mm

C

3.0000 in76.200 mm

r

0.11810 in3.000 mm

Da max

8.6220 in219.000 mm

ras max

0.1181 in3 mm