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

679

Cup Number

672

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.47

Y2 (Axial Load Factor)

1.28

Static Load Rating

87500 lbf390000 N390.00 kN

Dynamic Load Rating

55000 lbf245000 N245.00 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

3.5000 in88.900 mm

D

6.6250 in168.275 mm

Wo

1.1875 in30.163 mm

Wi

1.6250 in41.275 mm

W

1.6250 in41.275 mm

r

0.13 in3.3 mm

R

0.14 in3.5 mm

a (Effective Load Center)

-0.11 in-2.8 mm

U

4.21 in107.0 mm

V

3.98 in101.0 mm

X

6.30 in160.0 mm

Z

5.87 in149.0 mm