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

745S

Cup Number

742

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.33

Y2 (Axial Load Factor)

1.84

Static Load Rating

93500 lbf415000 N415.00 kN

Dynamic Load Rating

64500 lbf287000 N287.00 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

2.5000 in63.500 mm

D

5.9090 in150.089 mm

Wo

1.4375 in36.513 mm

Wi

1.8375 in46.673 mm

W

1.7500 in44.450 mm

r

0.13 in3.3 mm

R

0.14 in3.5 mm

a (Effective Load Center)

-0.47 in-11.9 mm

U

3.46 in88.0 mm

V

3.23 in82.0 mm

X

5.59 in142.0 mm

Z

5.28 in134.0 mm