Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Roller Type

Needle

Configuration

One

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Oil

15000 rpm

Limiting Speed - Grease

10000 rpm

Precision

ISO Class 0

Enclosure

Open

Static Load Rating

6850 lbf30500 N30.50 kN

Dynamic Load Rating

4300 lbf19100 N19.10 kN

Weight

0.093 lb0.042 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

1.0236 in26 mm

Fw Tolerance

0.033/0.020 mm

D

1.3386 in34.000 mm

C

0.7874 in20.000 mm

r

0.0118 in0.300 mm

Da max

1.2598 in32.000 mm

ras max

0.0118 in0.3 mm