Item # NA4908L, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49 Series, Single Sealed 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 - Grease	N/A 4200 RPM
Precision	N/A ISO Class 0
Configuration	N/A One
Enclosure	N/A Single Sealed
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 12000 lbf53500 N53.50 kN
Dynamic Load Rating	N/A 6250 lbf27800 N27.80 kN
Weight	N/A 0.556 lb0.252 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 - NA49 Series, Single Sealed - Dimensions
d	N/A 1.5748 in40.000 mm
D	N/A 2.4409 in62.000 mm
F	N/A 1.8898 in48.000 mm
C	N/A 0.8661 in22.000 mm
B	N/A 0.9055 in23.000 mm
r	N/A 0.0236 in0.600 mm
s	N/A 0.0394 in1.000 mm
da min	N/A 1.7323 in44.000 mm
Da max	N/A 2.0079 in51.000 mm
ras max	N/A 0.0236 in0.600 mm