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Unit of Measure

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 28000 rpm

Limiting Speed - Grease

 N/A 19000 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 890 lbf3950 N3.95 kN

Dynamic Load Rating

 N/A 965 lbf4300 N4.30 kN

Weight

 N/A 0.035 lb0.016 kg

Operating Temperature Range

 N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series - Dimensions

d

 N/A 0.315 in8 mm

D

 N/A 0.748 in19 mm

F

 N/A 0.3937 in10.000 mm

B

 N/A 0.4331 in11 mm

r

 N/A 0.0059 in0.150 mm

da min

 N/A 0.3937 in10 mm

Da max

 N/A 0.4724 in12.000 mm

ras max

 N/A 0.0059 in0.150 mm