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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

2900 RPM

Limiting Speed - Grease

1900.0 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

64000 lbf285000 N285.00 kN

Dynamic Load Rating

64000 lbf285000 N285.00 kN

Weight

13.316 lb6.040 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

4.5000 in114.300 mm

D

7.0000 in177.800 mm

F

5.5000 in139.700 mm

C

2.5000 in63.500 mm

B

2.5150 in63.880 mm

r

0.0984 in2.500 mm

s

0.2165 in5.500 mm

da min

4.8622 in123.500 mm

Da max

6.6535 in169.000 mm

ras max

0.0984 in2.500 mm