Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Oil

18000 rpm

Limiting Speed - Grease

12000 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

8000 lbf35500 N35.50 kN

Dynamic Load Rating

6350 lbf28200 N28.20 kN

Weight

0.260 lb0.118 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

0.6250 in15.875 mm

D

1.3750 in34.925 mm

F

0.8750 in22.225 mm

C

1.0000 in25.400 mm

B

1.0098 in25.650 mm

r

0.03940 in1.000 mm

s

0.0787 in2.000 mm

da min

0.8268 in21 mm

Da max

1.1811 in30 mm

ras max

0.0394 in1.000 mm