Print Back
Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Oil

23000 rpm

Limiting Speed - Grease

15000 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

2450 lbf10900 N10.90 kN

Dynamic Load Rating

2150 lbf9550 N9.55 kN

Weight

0.058 lb0.027 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

0.4724 in12.000 mm

D

0.9449 in24.000 mm

F

0.6299 in16.000 mm

B

0.5118 in13 mm

r

0.0118 in0.300 mm

s

0.0197 in0.500 mm

da min

0.5512 in14 mm

Da max

0.8661 in22.000 mm

ras max

0.0118 in0.3 mm