Item # NA4906R, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49.R, NA59, NA69R, NK.R+1R 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 11000 RPM
Limiting Speed - Grease	N/A 7500 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 8000 lbf35500 N35.50 kN
Dynamic Load Rating	N/A 5750 lbf25500 N25.50 kN
Weight	N/A 0.223 lb0.101 kg
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49.R, NA59, NA69R, NK.R+1R Series - Dimensions
d	N/A 1.1811 in30.000 mm
D	N/A 1.8504 in47.000 mm
F	N/A 1.3780 in35.000 mm
B	N/A 0.6693 in17.000 mm
r	N/A 0.0118 in0.300 mm
s	N/A 0.0315 in0.800 mm
da min	N/A 1.2598 in32.000 mm
Da max	N/A 1.7717 in45.000 mm
ras max	N/A 0.0118 in0.300 mm