Item # NA4910R, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49.R, NA59, NA69R, NK.R+1R Series On Bearing Distributors, Inc.

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Unit of Measure

Technical Specifications | Dimensional Specifications

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 7000 rpm
Limiting Speed - Grease	N/A 4700 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 18000 lbf80000 N80.00 kN
Dynamic Load Rating	N/A 10800 lbf48000 N48.00 kN
Weight	N/A 0.608 lb0.276 kg
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Loading zoom Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49.R, NA59, NA69R, NK.R+1R Series - Dimensions
d	N/A 1.9685 in50.000 mm
D	N/A 2.83460 in72.000 mm
F	N/A 2.2835 in58.000 mm
B	N/A 0.8661 in22.000 mm
r	N/A 0.02360 in0.600 mm
s	N/A 0.0394 in1.000 mm
da min	N/A 2.1260 in54.000 mm
Da max	N/A 2.6772 in68.000 mm
ras max	N/A 0.0236 in0.6 mm