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Unit of Measure

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Ordering Options

N/A Contact NTN Customer Relations

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 21000 RPM

Limiting Speed - Grease

N/A 14000 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 4750 lbf21100 N21.10 kN

Dynamic Load Rating

N/A 4400 lbf19500 N19.50 kN

Weight

N/A 0.174 lb0.079 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 0.5000 in12.700 mm

D

N/A 1.2500 in31.750 mm

F

N/A 0.7500 in19.050 mm

C

N/A 0.7500 in19.050 mm

B

N/A 0.7598 in19.300 mm

r

N/A 0.0394 in1.000 mm

s

N/A 0.1575 in4.000 mm

da min

N/A 0.6890 in17.500 mm

Da max

N/A 1.0433 in26.500 mm

ras max

N/A 0.0394 in1.000 mm