Single Row Tapered Roller Bearings (Metric Series)

30230

Designation

DIN720 30230

ISO355 T4GB150

Boundary dimensions(mm)

d 150

D 270

B 45

C 38

T 49

r1,r2 min 4

r3,r4 min 3

a 52

Speed ratings

grease 1300

oil 1800

Load ratings[kN]

dyn Cr 475

stat Cor 640

Calculation factors

e 0.44

Y 0.38

Y0 0.76

Abutment and fillet dimensions(mm)

Da max 175

db min 164

Da min 234

Db min 250

Ca min 9

Cb min 11

Mass (kg) 11.1

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