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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 2

Cone Number

3984

Cup Number

3920

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.40

Y2 (Axial Load Factor)

1.49

Static Load Rating

42000 lbf187000 N187.00 kN

Dynamic Load Rating

28100 lbf125000 N125.00 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

2.6250 in66.675 mm

D

4.4375 in112.712 mm

Wo

0.9375 in23.812 mm

Wi

1.1830 in30.048 mm

W

1.1875 in30.163 mm

r

0.13 in3.3 mm

R

0.14 in3.5 mm

a (Effective Load Center)

-0.18 in-4.6 mm

U

3.15 in80.0 mm

V

2.91 in74.0 mm

X

4.17 in106.0 mm

Z

3.90 in99.0 mm