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Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Nylon

Limiting Speed - Oil

30000 RPM

Limiting Speed - Grease

20000 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

1440 lbf6400 N6.40 kN

Dynamic Load Rating

1240 lbf5500 N5.50 kN

Weight

0.037 lb0.017 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

0.2362 in6.000 mm

D

0.6299 in16.000 mm

F

0.3543 in9.000 mm

B

0.6299 in16.000 mm

r

0.0118 in0.300 mm

s

0.0787 in2.000 mm

da min

0.3150 in8.000 mm

Da max

0.4134 in10.500 mm

ras max

0.0118 in0.300 mm