Item # NK47/30R, 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 8500 RPM
Limiting Speed - Grease	N/A 5500 RPM
Precision	N/A ISO Class 0
Enclosure	N/A Open
Static Load Rating	N/A 20600 lbf91500 N91.50 kN
Dynamic Load Rating	N/A 9550 lbf42500 N42.50 kN
Weight	N/A 0.313 lb0.142 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 1.8504 in47.000 mm
Fw Tolerance	N/A 0.041/0.025 mm
D	N/A 2.2441 in57.000 mm
C	N/A 1.1811 in30.000 mm
r	N/A 0.0118 in0.300 mm
Da max	N/A 2.1654 in55.000 mm
ras max	N/A 0.0118 in0.300 mm