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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

48385A

Cup Number

48320

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.32

Y2 (Axial Load Factor)

1.87

Static Load Rating

123000 lbf545000 N545.00 kN

Dynamic Load Rating

58500 lbf261000 N261.00 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

5.2500 in133.350 mm

D

7.5000 in190.500 mm

Wo

1.3125 in33.338 mm

Wi

1.5625 in39.688 mm

W

1.5625 in39.688 mm

r

0.1300 in3.300 mm

R

0.14 in3.5 mm

a (Effective Load Center)

-0.1600 in-4.100 mm

U

5.83 in148.0 mm

V

5.59 in142.0 mm

X

7.24 in184.0 mm

Z

6.97 in177.0 mm