Item # NK40/20R, Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA49.R, RNA59, RNA69.R, NK.R, MR Series On NTN Bearing Corp. of America

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Technical Specifications

Type	N/A Needle Roller Bearing
Roller Type	N/A Needle
Configuration	N/A One
Material	N/A High Carbon Chrome Steel
Cage Material	N/A Steel
Limiting Speed - Oil	N/A 10000 RPM
Limiting Speed - Grease	N/A 6500 RPM
Precision	N/A ISO Class 0
Enclosure	N/A Open
Static Load Rating	N/A 10600 lbf47000 N47.00 kN
Dynamic Load Rating	N/A 5950 lbf26400 N26.40 kN
Weight	N/A 0.183 lb0.083 kg
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Loading zoom Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA49.R, RNA59, RNA69.R, NK.R, MR Series - Dimensions
Fw	N/A 1.5748 in40.000 mm
Fw Tolerance	N/A 0.041/0.025 mm
D	N/A 1.9685 in50.000 mm
C	N/A 0.7874 in20.000 mm
r	N/A 0.0118 in0.300 mm
Da max	N/A 1.8898 in48.000 mm
ras max	N/A 0.0118 in0.300 mm