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30304D

Metric Series Tapered Roller Bearings
Metric Series Tapered Roller Bearings

Product Information

Designations

30304D

Boundary Dimensions

d 20 mm
D 52 mm
B 15 mm
T 16.25 mm
C 12 mm
Cup r (min.) 1.5 mm
Cone r (min.) 1.5 mm

Basic Load Ratings

Cr 31000 N Basic dynamic load rating
C0r 24500 N Basic static load rating

Speeds

Grease 7100 min-1
Oil 10000 min-1

Dimensions

a 16.7 mm

Abutment and Fillet Dimensions

da (min.) 34 mm
db (max.) 26 mm
Da (min.) 37 mm
Db(min.) 49 mm
Da(max.) 43 mm
Sa 2 mm
Sb 4 mm
ra (max.) 1.5 mm

Calculation factors

e 0.81
Y1 0.74
Y0 0.41

Additional information

Mass

(approx.) 0.168 kg