Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Oil

11000 rpm

Limiting Speed - Grease

7500 rpm

Precision

ISO Class 0

Configuration

One

Enclosure

Open

Bearing Design

w/ Inner Ring

Oil Hole

w/ Oil Hole

Radial Internal Clearance

CN

Static Load Rating

15000 lbf66500 N66.50 kN

Dynamic Load Rating

8100 lbf36000 N36 kN

Weight

0.377 lb0.171 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49.R, NA59, NA69R, NK.R+1R Series - Dimensions

d

1.1811 in30.000 mm

D

1.7717 in45 mm

F

1.3780 in35.000 mm

B

1.1811 in30.000 mm

r

0.0118 in0.300 mm

s

0.0394 in1.000 mm

da min

1.2598 in32.000 mm

Da max

1.6929 in43.000 mm

ras max

0.0118 in0.3 mm