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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

44150

Cup Number

44348

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.78

Y2 (Axial Load Factor)

0.77

Static Load Rating

17500 lbf78000 N78.00 kN

Dynamic Load Rating

15800 lbf70500 N70.50 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

3.4843 in88.501 mm

Wo

0.6875 in17.463 mm

Wi

0.9330 in23.698 mm

W

1.0000 in25.400 mm

r

0.0600 in1.500 mm

R

0.09 in2.3 mm

a (Effective Load Center)

0.11 in2.9 mm

U

2.17 in55.0 mm

V

2.01 in51.0 mm

X

3.31 in84.0 mm

Z

2.95 in75.0 mm