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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

7000 rpm

Limiting Speed - Grease

4700 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

39000 lbf173000 N173.00 kN

Dynamic Load Rating

21800 lbf97000 N97.00 kN

Weight

1.881 lb0.853 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

1.7500 in44.450 mm

D

3.0000 in76.200 mm

F

2.2500 in57.150 mm

C

1.7500 in44.450 mm

B

1.7598 in44.700 mm

r

0.05910 in1.500 mm

s

0.1378 in3.500 mm

da min

2.0079 in51.000 mm

Da max

2.7362 in69.500 mm

ras max

0.0591 in1.5 mm