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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

11000 RPM

Limiting Speed - Grease

7500 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

18300 lbf81500 N81.50 kN

Dynamic Load Rating

11500 lbf51000 N51.00 kN

Weight

0.631 lb0.286 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

1.1875 in30.162 mm

D

2.0625 in52.388 mm

F

1.5000 in38.100 mm

C

1.2500 in31.750 mm

B

1.2598 in32.000 mm

r

0.0394 in1.000 mm

s

0.0787 in2.000 mm

da min

1.3780 in35.000 mm

Da max

1.8110 in46.000 mm

ras max

0.0591 in1.500 mm