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Unit of Measure

Technical Specifications

Type

N/A Needle Roller Bearing

Bore Type

N/A Round

Material

N/A High Carbon Chrome Steel

Cage Material

N/A Steel

Limiting Speed - Oil

N/A 4500 rpm

Limiting Speed - Grease

N/A 3000 rpm

Precision

N/A ISO Class 0

Configuration

N/A One

Enclosure

N/A Open

Bearing Design

N/A w/ Inner Ring

Oil Hole

N/A w/ Oil Hole

Radial Internal Clearance

N/A CN

Static Load Rating

N/A 31500 lbf141000 N141.00 kN

Dynamic Load Rating

N/A 31500 lbf141000 N141.00 kN

Weight

N/A 3.638 lb1.650 kg

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


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

d

N/A 3.0000 in76.200 mm

D

N/A 4.5000 in114.300 mm

F

N/A 3.5000 in88.900 mm

C

N/A 1.7500 in44.450 mm

B

N/A 1.7598 in44.700 mm

r

N/A 0.07870 in2.000 mm

s

N/A 0.1181 in3.000 mm

da min

N/A 3.3071 in84.000 mm

Da max

N/A 4.1929 in106.500 mm

ras max

N/A 0.0787 in2.000 mm