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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

3000 RPM

Limiting Speed - Grease

2000 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

67000 lbf298000 N298.00 kN

Dynamic Load Rating

30500 lbf135000 N135.00 kN

Weight

4.850 lb2.200 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

4.7244 in120.000 mm

D

6.2992 in160.000 mm

F

5.3150 in135.000 mm

B

1.5748 in40.000 mm

r

0.0787 in2.000 mm

s

0.0984 in2.500 mm

da min

5.0787 in129.000 mm

Da max

5.9449 in151.000 mm

ras max

0.0787 in2.000 mm