Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Oil

6500 rpm

Limiting Speed - Grease

4300 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

19100 lbf85000 N85.00 kN

Dynamic Load Rating

10000 lbf44500 N44.50 kN

Weight

1.142 lb0.518 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

1.9685 in50.000 mm

D

3.14960 in80.000 mm

F

2.3622 in60.000 mm

B

1.1024 in28.000 mm

r

0.0433 in1.1 mm

s

0.0984 in2.500 mm

da min

2.2244 in56.5 mm

Da max

2.5197 in64.000 mm

ras max

0.0433 in1.100 mm