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Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Oil

14000 RPM

Limiting Speed - Grease

9500 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

10100 lbf45000 N45.00 kN

Dynamic Load Rating

7300 lbf32500 N32.50 kN

Weight

0.335 lb0.152 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

0.8750 in22.225 mm

D

1.6250 in41.275 mm

F

1.1250 in28.575 mm

C

1.0000 in25.400 mm

B

1.0098 in25.650 mm

r

0.0394 in1.000 mm

s

0.0591 in1.500 mm

da min

1.0630 in27.000 mm

Da max

1.4370 in36.500 mm

ras max

0.0394 in1.000 mm