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12580/12520

Inch Series Tapered Roller Bearings
Inch Series Tapered Roller Bearings

Product Information

Designations

12580/12520

Boundary Dimensions

d 20.638 mm
D 49.225 mm
B 19.845 mm
T 19.845 mm
C 15.875 mm
Cup r (min.) 1.5 mm
Cone r (min.) 1.5 mm

Basic Load Ratings

Cr 44000 N Basic dynamic load rating
C0r 37000 N Basic static load rating

Speeds

Grease 8000 min-1
Oil 11000 min-1

Dimensions

a 12.9 mm

Abutment and Fillet Dimensions

da 28.5 mm
db 26 mm
Da 42.5 mm
Db 45.5 mm
ra (max.) 1.5 mm

Calculation factors

e 0.32
Y1 1.9
Y0 1

Additional information

Mass

(approx.) 0.114 kg