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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

3900 rpm

Limiting Speed - Grease

2600 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

38000 lbf169000 N169.00 kN

Dynamic Load Rating

38000 lbf169000 N169 kN

Weight

4.894 lb2.22 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Machined-Ring Needle Roller Bearing w/ Inner Ring - MR+MI Series - Dimensions

d

3.3750 in85.725 mm

D

5.0000 in127.000 mm

F

4.0000 in101.600 mm

C

2.0000 in50.800 mm

B

2.0098 in51.050 mm

r

0.09840 in2.500 mm

s

0.1772 in4.500 mm

da min

3.7205 in94.500 mm

Da max

4.6457 in118.000 mm

ras max

0.0984 in2.5 mm