Unit of Measure

Technical Specifications

Type

Tapered Roller Bearing

Bore Type

Round

Material

Case Carburized Steel

Style

Cone & Cup

Precision Rating

Class 2

Cone Number

87750

Cup Number

87111

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.42

Y2 (Axial Load Factor)

1.44

Static Load Rating

153000 lbf680000 N680.00 kN

Dynamic Load Rating

87500 lbf390000 N390.00 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

7.5000 in190.500 mm

D

11.1250 in282.575 mm

Wo

1.4375 in36.513 mm

Wi

1.8750 in47.625 mm

W

2.0000 in50.800 mm

r

0.13 in3.3 mm

R

0.14 in3.5 mm

a (Effective Load Center)

0.15 in3.8 mm

U

8.23 in209.0 mm

V

7.99 in203.0 mm

X

10.51 in267.0 mm

Z

10.28 in261.0 mm