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15578/15520

Inch Series Tapered Roller Bearings
Inch Series Tapered Roller Bearings

Product Information

Designations

15578/15520

Boundary Dimensions

d 25.4 mm
D 57.15 mm
B 17.462 mm
T 17.462 mm
C 13.495 mm
Cup r (min.) 1.5 mm
Cone r (min.) 1.3 mm

Basic Load Ratings

Cr 49000 N Basic dynamic load rating
C0r 45500 N Basic static load rating

Speeds

Grease 6700 min-1
Oil 9000 min-1

Dimensions

a 12.4 mm

Abutment and Fillet Dimensions

da 32.5 mm
db 30.5 mm
Da 51 mm
Db 53 mm
ra (max.) 1.3 mm

Calculation factors

e 0.35
Y1 1.7
Y0 0.95

Additional information

Mass

(approx.) 0.151 kg