Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Oil

3700 rpm

Limiting Speed - Grease

2500 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

38500 lbf172000 N172.00 kN

Dynamic Load Rating

38500 lbf172000 N172 kN

Weight

4.784 lb2.17 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

3.7500 in95.250 mm

D

5.2500 in133.350 mm

F

4.2500 in107.950 mm

C

2.0000 in50.800 mm

B

2.0098 in51.050 mm

r

0.09840 in2.500 mm

s

0.0984 in2.500 mm

da min

4.1142 in104.500 mm

Da max

4.9016 in124.500 mm

ras max

0.0984 in2.5 mm