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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 26000 rpm

Limiting Speed - Grease

N/A 17000 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 1100 lbf4900 N4.90 kN

Dynamic Load Rating

N/A 1090 lbf4850 N4.85 kN

Weight

N/A 0.037 lb0.017 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 0.3543 in9.000 mm

D

N/A 0.7874 in20.000 mm

F

N/A 0.4724 in12.000 mm

B

N/A 0.4331 in11 mm

r

N/A 0.0118 in0.300 mm

da min

N/A 0.4331 in11.000 mm

Da max

N/A 0.5512 in14.000 mm

ras max

N/A 0.0118 in0.3 mm