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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

3578A

Cup Number

3525

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.31

Y2 (Axial Load Factor)

1.96

Static Load Rating

26300 lbf117000 N117.00 kN

Dynamic Load Rating

21100 lbf94000 N94.00 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

1.7500 in44.450 mm

D

3.4375 in87.313 mm

Wo

0.9375 in23.813 mm

Wi

1.2160 in30.886 mm

W

1.1875 in30.162 mm

r

0.1300 in3.300 mm

R

0.22 in5.5 mm

a (Effective Load Center)

-0.3900 in-9.900 mm

X

3.19 in81.0 mm

Z

2.95 in75.0 mm