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

17000 RPM

Limiting Speed - Grease

11000 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

5000 lbf22300 N22.30 kN

Dynamic Load Rating

3400 lbf15200 N15.20 kN

Weight

0.108 lb0.049 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

0.7874 in20.000 mm

D

1.2598 in32.000 mm

F

0.9449 in24.000 mm

B

0.6299 in16.000 mm

r

0.0118 in0.300 mm

s

0.0197 in0.500 mm

da min

0.8661 in22.000 mm

Da max

1.1811 in30.000 mm

ras max

0.0118 in0.300 mm