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 2

Cone Number

557S

Cup Number

552A

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.35

Y2 (Axial Load Factor)

1.73

Y0 (Axial Load Factor)

0.95

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

2.1250 in53.975 mm

D

4.8750 in123.825 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

0.14 in3.5 mm

a (Effective Load Center)

-0.3700 in-9.400 mm

U

2.80 in71.0 mm

V

2.56 in65.0 mm

X

4.57 in116.0 mm

Z

4.29 in109.0 mm