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Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Oil

24000 RPM

Limiting Speed - Grease

16000 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

3500 lbf15600 N15.60 kN

Dynamic Load Rating

2920 lbf13000 N13.00 kN

Weight

0.084 lb0.038 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

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

d

0.3937 in10.000 mm

D

0.8661 in22.000 mm

F

0.5512 in14.000 mm

B

0.7874 in20.000 mm

r

0.0118 in0.300 mm

s

0.0197 in0.500 mm

da min

0.4724 in12.000 mm

Da max

0.7874 in20.000 mm

ras max

0.0118 in0.300 mm