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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

14000 RPM

Limiting Speed - Grease

9500 RPM

Precision

ISO Class 0

Configuration

Two

Enclosure

Open

Bearing Design

w/ Inner Ring

Oil Hole

w/ Oil Hole

Radial Internal Clearance

CN

Static Load Rating

13200 lbf58500 N58.50 kN

Dynamic Load Rating

9000 lbf40000 N40.00 kN

Weight

0.340 lb0.154 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

0.8661 in22.000 mm

D

1.5354 in39.000 mm

F

1.1024 in28.000 mm

B

1.1811 in30.000 mm

r

0.0118 in0.300 mm

s

0.0197 in0.500 mm

da min

0.9449 in24.000 mm

Da max

1.4567 in37.000 mm

ras max

0.0118 in0.300 mm