Item # RNA4972, 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 1000 RPM
Limiting Speed - Grease	N/A 650 RPM
Precision	N/A ISO Class 0
Enclosure	N/A Open
Static Load Rating	N/A 720000 lbf3200000 N3200.00 kN
Dynamic Load Rating	N/A 270000 lbf1200000 N1200.00 kN
Weight	N/A 62.170 lb28.200 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 18.8976 in480.000 mm
Fw Tolerance	N/A 0.108/0.068 mm
D	N/A 18.8976 in480.000 mm
C	N/A 4.6457 in118.000 mm
r	N/A 0.1181 in3.000 mm
Da max	N/A 18.3858 in467.000 mm
ras max	N/A 0.0984 in2.500 mm