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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

2788

Cup Number

2720

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.30

Y2 (Axial Load Factor)

1.98

Static Load Rating

20300 lbf90500 N90.50 kN

Dynamic Load Rating

16400 lbf73000 N73.00 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

1.5000 in38.100 mm

D

3.0000 in76.200 mm

Wo

0.7500 in19.050 mm

Wi

1.0100 in25.654 mm

W

0.9360 in23.775 mm

r

0.1300 in3.300 mm

R

0.14 in3.5 mm

a (Effective Load Center)

-0.3100 in-7.800 mm

U

1.97 in50.0 mm

V

1.71 in43.5 mm

X

2.76 in70.0 mm

Z

2.60 in66.0 mm