Item # MR122012+MI-081212, Machined-Ring Needle Roller Bearing w/ Inner Ring - MR+MI Series On Bearing Distributors, Inc.

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Unit of Measure

Technical Specifications | Dimensional Specifications

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 0.03940 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