Item # RNA4920, Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA48, RNA49 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 3500 RPM
Limiting Speed - Grease	N/A 2300 RPM
Precision	N/A ISO Class 0
Enclosure	N/A Open
Static Load Rating	N/A 58500 lbf260000 N260.00 kN
Dynamic Load Rating	N/A 28600 lbf127000 N127.00 kN
Weight	N/A 2.535 lb1.150 kg
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Loading zoom Open Image Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA48, RNA49 Series - Dimensions
Fw	N/A 4.5276 in115.000 mm
Fw Tolerance	N/A 0.058/0.036 mm
D	N/A 5.5118 in140.000 mm
C	N/A 1.5748 in40.000 mm
r	N/A 0.0433 in1.100 mm
Da max	N/A 5.2559 in133.500 mm
ras max	N/A 0.0394 in1.000 mm