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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

13000 rpm

Limiting Speed - Grease

8500 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

15300 lbf68000 N68.00 kN

Dynamic Load Rating

9800 lbf43500 N43.50 kN

Weight

0.443 lb0.201 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

1.0000 in25.400 mm

D

1.7500 in44.450 mm

F

1.2500 in31.750 mm

C

1.2500 in31.750 mm

B

1.2598 in32.000 mm

r

0.03940 in1.000 mm

s

0.0787 in2.000 mm

da min

1.2008 in30.500 mm

Da max

1.5551 in39.500 mm

ras max

0.0394 in1.000 mm