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1280/1220

Inch Series Tapered Roller Bearings
Inch Series Tapered Roller Bearings

Product Information

Designations

1280/1220

Boundary Dimensions

d 22.225 mm
D 57.15 mm
B 22.225 mm
T 22.225 mm
C 17.462 mm
Cup r (min.) 1.5 mm
Cone r (min.) 0.8 mm

Basic Load Ratings

Cr 53000 N Basic dynamic load rating
C0r 44000 N Basic static load rating

Speeds

Grease 7100 min-1
Oil 9500 min-1

Dimensions

a 15.1 mm

Abutment and Fillet Dimensions

da 29.5 mm
db 29 mm
Da 49 mm
Db 52 mm
ra (max.) 0.8 mm

Calculation factors

e 0.35
Y1 1.7
Y0 0.95

Additional information

Mass

(approx.) 0.183 kg