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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

495S

Cup Number

493

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.44

Y2 (Axial Load Factor)

1.35

Static Load Rating

48000 lbf213000 N213.00 kN

Dynamic Load Rating

31500 lbf140000 N140.00 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

2.8125 in71.438 mm

D

5.3750 in136.525 mm

Wo

0.8750 in22.225 mm

Wi

1.1720 in29.769 mm

W

1.1875 in30.162 mm

r

0.1300 in3.300 mm

R

0.14 in3.5 mm

a (Effective Load Center)

0.0300 in0.800 mm

U

3.46 in88.0 mm

V

3.23 in82.0 mm

X

5.12 in130.0 mm

Z

4.80 in122.0 mm