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Unit of Measure

Technical Specifications

Type

Tapered Roller Bearing

Bore Type

Round

Material

Case Carburized Steel

Style

Cone & Cup

Precision Rating

Class 4

Cone Number

18685

Cup Number

18620

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.37

Y2 (Axial Load Factor)

1.60

Static Load Rating

12500 lbf55600 N55.60 kN

Dynamic Load Rating

10200 lbf45500 N45.50 kN

Enclosure

Open

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Tapered Roller Set - Inch Series and J Series - Dimensions

B

1.7500 in44.450 mm

D

3.1250 in79.375 mm

Wo

0.5313 in13.495 mm

Wi

0.6875 in17.462 mm

W

0.6875 in17.462 mm

r

0.0600 in1.500 mm

R

0.11 in2.8 mm

a (Effective Load Center)

-0.0900 in-2.200 mm

U

2.13 in54.0 mm

V

1.95 in49.5 mm

X

2.91 in74.0 mm

Z

2.80 in71.0 mm