Item # MR142216, 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 Machined-Ring Needle Roller Bearing
Roller Type	N/A Needle
Bearing Type	N/A Needle Roller Bearing
Material	N/A High Carbon Chrome Steel
Cage Material	N/A Steel
Limiting Speed - Oil	N/A 18000 RPM
Limiting Speed - Grease	N/A 12000 RPM
Enclosure	N/A Open
Static Load Rating	N/A 8000 lbf35500 N35.50 kN
Dynamic Load Rating	N/A 6350 lbf28200 N28.20 kN
Weight	N/A 0.181 lb0.082 kg
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Open Image Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA49.R, RNA59, RNA69.R, NK.R, MR Series - Dimensions
Fw	N/A 0.8750 in22.225 mm
Fw Tolerance	N/A 0.033/0.020 mm
D	N/A 1.3750 in34.925 mm
C	N/A 1.0000 in25.400 mm
r	N/A 0.0394 in1.000 mm
Da max	N/A 1.1811 in30.000 mm
ras max	N/A 0.0394 in1.000 mm