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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

20000 RPM

Limiting Speed - Grease

13000 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

4300 lbf19100 N19.10 kN

Dynamic Load Rating

3150 lbf14100 N14.10 kN

Weight

0.115 lb0.052 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

0.5906 in15.000 mm

D

1.1024 in28.000 mm

F

0.7874 in20.000 mm

B

0.7087 in18.000 mm

r

0.0118 in0.300 mm

s

0.0197 in0.500 mm

da min

0.6693 in17.000 mm

Da max

1.0236 in26.000 mm

ras max

0.0118 in0.300 mm