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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

25000 RPM

Limiting Speed - Grease

17000 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

3750 lbf16700 N16.70 kN

Dynamic Load Rating

3750 lbf16700 N16.70 kN

Weight

0.152 lb0.069 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

0.3750 in9.525 mm

D

1.1250 in28.575 mm

F

0.6250 in15.875 mm

C

0.7500 in19.050 mm

B

0.7598 in19.300 mm

r

0.0236 in0.600 mm

s

0.0787 in2.000 mm

da min

0.5315 in13.500 mm

Da max

0.9646 in24.500 mm

ras max

0.0236 in0.600 mm