Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Oil

3500 rpm

Limiting Speed - Grease

2300 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

58500 lbf260000 N260.00 kN

Dynamic Load Rating

58500 lbf260000 N260.00 kN

Weight

9.855 lb4.47 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

6.0000 in152.400 mm

F

4.5000 in114.300 mm

C

2.5000 in63.500 mm

B

2.5150 in63.880 mm

r

0.09840 in2.500 mm

s

0.1575 in4.000 mm

da min

4.1142 in104.500 mm

Da max

5.6496 in143.500 mm

ras max

0.0984 in2.5 mm