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30256

Metric Series Tapered Roller Bearings
Metric Series Tapered Roller Bearings

Product Information

Designations

30256

Boundary Dimensions

d 280 mm
D 500 mm
B 80 mm
T 89 mm
C 67 mm
Cup r (min.) 5 mm
Cone r (min.) 6 mm

Basic Load Ratings

Cr 1530000 N Basic dynamic load rating
C0r 1900000 N Basic static load rating

Speeds

Grease 630 min-1
Oil 850 min-1

Dimensions

a 98.5 mm

Abutment and Fillet Dimensions

da (min.) 313 mm
db (max.) 339 mm
Da (min.) 436 mm
Db(min.) 462 mm
Da(max.) 478 mm
Sa 12 mm
Sb 22 mm
ra (max.) 5 mm

Calculation factors

e 0.44
Y1 1.4
Y0 0.74

Additional information

Mass

(approx.) 66.3 kg