Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Oil

5000 rpm

Limiting Speed - Grease

3300 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

51000 lbf227000 N227.00 kN

Dynamic Load Rating

25200 lbf112000 N112.00 kN

Weight

2.756 lb1.250 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

2.3750 in60.325 mm

D

3.7500 in95.250 mm

F

3.0000 in76.200 mm

C

1.7500 in44.450 mm

B

1.7598 in44.700 mm

r

0.07870 in2.000 mm

s

0.0591 in1.500 mm

da min

2.6772 in68 mm

Da max

3.4252 in87.000 mm

ras max

0.0787 in2.000 mm