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Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Steel

Precision

ISO Class 0

Configuration

One

Enclosure

Open

Bearing Design

w/ Inner Ring

Oil Hole

w/ Oil Hole

Radial Internal Clearance

CN

Weight

0.531 lb0.241 kg

Operating Temperature Range

-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

1.2598 in32.000 mm

D

2.0472 in52.000 mm

F

1.5748 in40.000 mm

B

1.0630 in27.000 mm

r

0.0236 in0.600 mm

da min

1.4173 in36.000 mm

Da max

1.8898 in48.000 mm

ras max

0.0024 in0.060 mm