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Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Oil

10000 RPM

Limiting Speed - Grease

6500 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

10600 lbf47000 N47.00 kN

Dynamic Load Rating

5950 lbf26400 N26.40 kN

Weight

0.287 lb0.130 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

1.3780 in35.000 mm

D

1.9685 in50.000 mm

F

1.5748 in40.000 mm

B

0.7874 in20.000 mm

r

0.0118 in0.300 mm

s

0.0197 in0.500 mm

da min

1.4567 in37.000 mm

Da max

1.8898 in48.000 mm

ras max

0.0118 in0.300 mm