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Unit of Measure

Technical Specifications

Type

Tapered Roller Bearing

Bore Type

Round

Material

Through Hardened Steel

Style

Cone & Cup

Precision Rating

Class 4

Cone Number

39581

Cup Number

39521

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.34

Y2 (Axial Load Factor)

1.77

Static Load Rating

50000 lbf223000 N223.00 kN

Dynamic Load Rating

34500 lbf153000 N153.00 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

2.2500 in57.150 mm

D

4.4375 in112.713 mm

Wo

0.9375 in23.813 mm

Wi

1.1875 in30.162 mm

W

1.1875 in30.163 mm

r

0.03 in0.8 mm

R

0.31 in8.0 mm

a (Effective Load Center)

-0.26 in-6.6 mm

U

3.19 in81.0 mm

V

2.60 in66.0 mm

X

4.21 in107.0 mm

Z

4.06 in103.0 mm