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

52393

Cup Number

52639

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.47

Y2 (Axial Load Factor)

1.26

Static Load Rating

77500 lbf345000 N345.00 kN

Dynamic Load Rating

46000 lbf205000 N205.00 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

3.9375 in100.012 mm

D

6.3750 in161.925 mm

Wo

1.5625 in39.688 mm

Wi

1.4219 in36.116 mm

W

1.6250 in41.275 mm

r

0.13 in3.3 mm

R

0.14 in3.5 mm

a (Effective Load Center)

-0.01 in-0.3 mm

U

4.57 in116.0 mm

V

4.29 in109.0 mm

X

6.18 in157.0 mm

Z

5.83 in148.0 mm