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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

12175

Cup Number

12303

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.51

Y2 (Axial Load Factor)

1.19

Static Load Rating

12100 lbf54000 N54.00 kN

Dynamic Load Rating

9900 lbf44000 N44.00 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

3.0312 in76.992 mm

Wo

0.4688 in11.908 mm

Wi

0.6750 in17.145 mm

W

0.6875 in17.462 mm

r

0.0600 in1.500 mm

R

0.06 in1.5 mm

a (Effective Load Center)

0.01 in0.2 mm

U

2.05 in52.0 mm

V

1.95 in49.5 mm

X

2.87 in73.0 mm

Z

2.68 in68.0 mm