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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

28000 RPM

Limiting Speed - Grease

19000 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

1450 lbf6450 N6.45 kN

Dynamic Load Rating

1230 lbf5450 N5.45 kN

Weight

0.040 lb0.018 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

0.2756 in7.000 mm

D

0.6693 in17.000 mm

F

0.3937 in10.000 mm

B

0.6299 in16.000 mm

r

0.0118 in0.300 mm

s

0.0787 in2.000 mm

da min

0.3543 in9.000 mm

Da max

0.4528 in11.500 mm

ras max

0.0118 in0.300 mm