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Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Nylon

Limiting Speed - Oil

34000 RPM

Limiting Speed - Grease

23000 RPM

Precision

ISO Class 0

Configuration

One

Enclosure

Open

Bearing Design

w/ Inner Ring

Oil Hole

w/ Oil Hole

Radial Internal Clearance

CN

Static Load Rating

530 lbf2350 N2.35 kN

Dynamic Load Rating

600 lbf2670 N2.67 kN

Weight

0.015 lb0.007 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


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

d

0.1969 in5.000 mm

D

0.5118 in13.000 mm

F

0.2756 in7.000 mm

B

0.3937 in10.000 mm

r

0.0059 in0.150 mm

da min

0.2441 in6.200 mm

Da max

0.3346 in8.500 mm

ras max

0.0059 in0.150 mm