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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

3200 RPM

Limiting Speed - Grease

2100 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

99000 lbf440000 N440.00 kN

Dynamic Load Rating

43500 lbf193000 N193.00 kN

Weight

6.570 lb2.980 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

4.3307 in110.000 mm

D

5.9055 in150.000 mm

F

4.9213 in125.000 mm

B

2.1260 in54.000 mm

r

0.0433 in1.100 mm

s

0.0787 in2.000 mm

da min

4.5866 in116.500 mm

Da max

5.6496 in143.500 mm

ras max

0.0394 in1.000 mm