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557S/552A

Inch Series Tapered Roller Bearings
Inch Series Tapered Roller Bearings

Product Information

Designations

557S/552A

Boundary Dimensions

d 53.975 mm
D 123.825 mm
B 36.678 mm
T 38.1 mm
C 30.162 mm
Cup r (min.) 3.3 mm
Cone r (min.) 3.5 mm

Basic Load Ratings

Cr 198000 N Basic dynamic load rating
C0r 221000 N Basic static load rating

Speeds

Grease 3000 min-1
Oil 4000 min-1

Dimensions

a 28.8 mm

Abutment and Fillet Dimensions

da 71 mm
db 65 mm
Da 109 mm
Db 116 mm
ra (max.) 3.5 mm

Calculation factors

e 0.35
Y1 1.7
Y0 0.95

Additional information

Mass

(approx.) 1.49 kg