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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

2700 RPM

Limiting Speed - Grease

1800 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

154000 lbf685000 N685.00 kN

Dynamic Load Rating

66000 lbf294000 N294.00 kN

Weight

12.346 lb5.600 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

5.1181 in130.000 mm

D

7.0866 in180.000 mm

F

5.9055 in150.000 mm

B

2.6378 in67.000 mm

r

0.0591 in1.500 mm

s

0.0591 in1.500 mm

da min

5.4331 in138.000 mm

Da max

6.7717 in172.000 mm

ras max

0.0591 in1.500 mm