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

24780

Cup Number

24720

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.39

Y2 (Axial Load Factor)

1.53

Static Load Rating

18100 lbf80500 N80.50 kN

Dynamic Load Rating

14600 lbf65000 N65.00 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

1.6250 in41.275 mm

D

3.0000 in76.200 mm

Wo

0.6875 in17.463 mm

Wi

0.9063 in23.020 mm

W

0.8750 in22.225 mm

r

0.03 in0.8 mm

R

0.14 in3.5 mm

a (Effective Load Center)

-0.18 in-4.5 mm

U

2.13 in54.0 mm

V

1.85 in47.0 mm

X

2.83 in72.0 mm

Z

2.68 in68.0 mm