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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

5500 RPM

Limiting Speed - Grease

3700.0 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

35000 lbf156000 N156.00 kN

Dynamic Load Rating

17200 lbf76500 N76.50 kN

Weight

1.455 lb0.660 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

2.5591 in65.000 mm

D

3.5433 in90.000 mm

F

2.8740 in73.000 mm

B

1.3780 in35.000 mm

r

0.0236 in0.600 mm

s

0.0394 in1.000 mm

da min

2.7165 in69.000 mm

Da max

3.3858 in86.000 mm

ras max

0.0236 in0.600 mm