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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

19000 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

4200 lbf18700 N18.70 kN

Dynamic Load Rating

3100 lbf13700 N13.70 kN

Weight

0.093 lb0.042 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

0.6693 in17.000 mm

D

1.1417 in29.000 mm

F

0.8268 in21.000 mm

B

0.6299 in16.000 mm

r

0.0118 in0.300 mm

s

0.0197 in0.500 mm

da min

0.7480 in19.000 mm

Da max

1.0630 in27.000 mm

ras max

0.0118 in0.300 mm