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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

3500 RPM

Limiting Speed - Grease

2300.0 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

53500 lbf238000 N238.00 kN

Dynamic Load Rating

53500 lbf238000 N238.00 kN

Weight

8.863 lb4.020 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Open Image
Machined-Ring Needle Roller Bearing w/ Inner Ring - MR+MI Series - Dimensions

d

3.7500 in95.250 mm

D

6.0000 in152.400 mm

F

4.5000 in114.300 mm

C

2.2500 in57.150 mm

B

2.2598 in57.400 mm

r

0.0984 in2.500 mm

s

0.1181 in3.000 mm

da min

4.1142 in104.500 mm

Da max

5.6496 in143.500 mm

ras max

0.0984 in2.500 mm