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28580/28521

Inch Series Tapered Roller Bearings
Inch Series Tapered Roller Bearings

Product Information

Designations

28580/28521

Boundary Dimensions

d 50.8 mm
D 92.075 mm
B 25.4 mm
T 24.608 mm
C 19.845 mm
Cup r (min.) 0.8 mm
Cone r (min.) 3.5 mm

Basic Load Ratings

Cr 104000 N Basic dynamic load rating
C0r 117000 N Basic static load rating

Speeds

Grease 4000 min-1
Oil 5300 min-1

Dimensions

a 20 mm

Abutment and Fillet Dimensions

da 63 mm
db 57 mm
Da 83 mm
Db 87 mm
ra (max.) 3.5 mm

Calculation factors

e 0.38
Y1 1.6
Y0 0.87

Additional information

Mass

(approx.) 0.46 kg