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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

4700 RPM

Limiting Speed - Grease

3100 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

43500 lbf193000 N193.00 kN

Dynamic Load Rating

22500 lbf100000 N100.00 kN

Weight

1.881 lb0.853 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

2.9528 in75.000 mm

D

4.1339 in105.000 mm

F

3.3465 in85.000 mm

B

1.3780 in35.000 mm

r

0.0394 in1.000 mm

s

0.0394 in1.000 mm

da min

3.1496 in80.000 mm

Da max

3.9370 in100.000 mm

ras max

0.0394 in1.000 mm