Item # RNA4980, 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 900 RPM
Limiting Speed - Grease	N/A 600 RPM
Precision	N/A ISO Class 0
Enclosure	N/A Open
Static Load Rating	N/A 900000 lbf4000000 N4000.00 kN
Dynamic Load Rating	N/A 325000 lbf1450000 N1450.00 kN
Weight	N/A 88.405 lb40.100 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 - RNA48, RNA49 Series - Dimensions
Fw	N/A 17.7165 in450.000 mm
Fw Tolerance	N/A 0.108/0.068 mm
D	N/A 21.2598 in540.000 mm
C	N/A 5.5118 in140.000 mm
r	N/A 0.1575 in4.000 mm
Da max	N/A 20.6299 in524.000 mm
ras max	N/A 0.1181 in3 mm