Bearing Finder
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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

557A

Cup Number

553X

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.35

Y2 (Axial Load Factor)

1.73

Static Load Rating

55000 lbf245000 N245.00 kN

Dynamic Load Rating

39000 lbf173000 N173.00 kN

Enclosure

Open

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Open Image
Tapered Roller Set - Inch Series and J Series - Dimensions

B

2.3750 in60.325 mm

D

4.8125 in122.238 mm

Wo

1.1875 in30.163 mm

Wi

1.4440 in36.678 mm

W

1.5000 in38.100 mm

r

0.1300 in3.300 mm

R

0.31 in8.0 mm

a (Effective Load Center)

-0.3700 in-9.400 mm

U

3.31 in84.0 mm

V

2.72 in69.0 mm

X

4.53 in115.0 mm

Z

4.25 in108.0 mm