Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Oil

21000 rpm

Limiting Speed - Grease

14000 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

2880 lbf12800 N12.80 kN

Dynamic Load Rating

2610 lbf11600 N11.60 kN

Weight

0.123 lb0.056 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

0.4724 in12.000 mm

D

1.1811 in30 mm

F

0.7087 in18.000 mm

B

0.6299 in16 mm

r

0.0118 in0.300 mm

s

0.0591 in1.500 mm

da min

0.5512 in14 mm

Da max

0.8268 in21.000 mm

ras max

0.0118 in0.3 mm