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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

4200 RPM

Limiting Speed - Grease

2800.0 RPM

Precision

ISO Class 0

Configuration

One

Enclosure

Open

Bearing Design

w/ Inner Ring

Oil Hole

w/o Oil Hole

Radial Internal Clearance

CN

Static Load Rating

37000 lbf165000 N165.00 kN

Dynamic Load Rating

14700 lbf65500 N65.50 kN

Weight

2.822 lb1.280 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Machined-Ring Needle Roller Bearing w/ Inner Ring - NK+1R, NKS+1R Series - Dimensions

d

3.1496 in80.000 mm

D

4.5276 in115.000 mm

F

3.7402 in95.000 mm

B

1.2598 in32.000 mm

r

0.0433 in1.100 mm

s

0.0984 in2.500 mm

da min

3.4055 in86.500 mm

Da max

3.8976 in99.000 mm

ras max

0.0433 in1.100 mm