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12168/12303

Inch Series Tapered Roller Bearings
Inch Series Tapered Roller Bearings

Product Information

Designations

12168/12303

Boundary Dimensions

d 42.862 mm
D 76.992 mm
B 17.145 mm
T 17.462 mm
C 11.908 mm
Cup r (min.) 1.5 mm
Cone r (min.) 1.5 mm

Basic Load Ratings

Cr 54000 N Basic dynamic load rating
C0r 54000 N Basic static load rating

Speeds

Grease 4500 min-1
Oil 6000 min-1

Dimensions

a 17.7 mm

Abutment and Fillet Dimensions

da 51 mm
db 48.5 mm
Da 68 mm
Db 73 mm
ra (max.) 1.5 mm

Calculation factors

e 0.51
Y1 1.2
Y0 0.65

Additional information

Mass

(approx.) 0.228 kg