Item # NA4930, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series On NTN Bearing Corp. of America

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Technical Specifications

Type	N/A Needle Roller Bearing
Bore Type	N/A Round
Material	N/A High Carbon Chrome Steel
Cage Material	N/A Steel
Limiting Speed - Oil	N/A 2400 RPM
Limiting Speed - Grease	N/A 1600 RPM
Precision	N/A ISO Class 0
Configuration	N/A One
Enclosure	N/A Open
Bearing Design	N/A w/ Inner Ring
Oil Hole	N/A w/ Oil Hole
Radial Internal Clearance	N/A CN
Static Load Rating	N/A 137000 lbf610000 N610.00 kN
Dynamic Load Rating	N/A 58500 lbf261000 N261.00 kN
Weight	N/A 11.751 lb5.330 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/ Inner Ring - NA48, NA49 Series - Dimensions
d	N/A 5.9055 in150.000 mm
D	N/A 8.2677 in210.000 mm
F	N/A 6.6929 in170.000 mm
B	N/A 2.3622 in60.000 mm
r	N/A 0.0787 in2.000 mm
s	N/A 0.0591 in1.500 mm
da min	N/A 6.2598 in159.000 mm
Da max	N/A 7.9134 in201.000 mm
ras max	N/A 0.0787 in2.000 mm