Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Oil

3100 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

56000 lbf250000 N250.00 kN

Dynamic Load Rating

56000 lbf250000 N250.00 kN

Weight

10.847 lb4.920 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

4.0000 in101.600 mm

D

6.5000 in165.100 mm

F

5.0000 in127.000 mm

C

2.2500 in57.150 mm

B

2.2598 in57.400 mm

r

0.09840 in2.500 mm

s

0.2165 in5.500 mm

da min

4.3504 in110.500 mm

Da max

6.1417 in156.000 mm

ras max

0.0984 in2.5 mm