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28985/28921

Inch Series Tapered Roller Bearings
Inch Series Tapered Roller Bearings

Product Information

Designations

28985/28921

Boundary Dimensions

d 60.325 mm
D 100 mm
B 25.4 mm
T 25.4 mm
C 19.845 mm
Cup r (min.) 3.3 mm
Cone r (min.) 3.5 mm

Basic Load Ratings

Cr 112000 N Basic dynamic load rating
C0r 135000 N Basic static load rating

Speeds

Grease 3400 min-1
Oil 4800 min-1

Dimensions

a 22.9 mm

Abutment and Fillet Dimensions

da 73 mm
db 67 mm
Da 89 mm
Db 96 mm
ra (max.) 3.5 mm

Calculation factors

e 0.43
Y1 1.4
Y0 0.78

Additional information

Mass

(approx.) 0.538 kg