Single Row Tapered Roller Bearings (Metric Series)

31312

Designation

DIN720 31312

ISO355 T7FB060

Boundary dimensions(mm)

d 60

D 130

B 31

C 22

T 33.5

r1,r2 min 3

r3,r4 min 2.5

a 41

Speed ratings

grease 2600

oil 3600

Load ratings[kN]

dyn Cr 145

stat Cor 170

Calculation factors

e 0.83

Y 0.73

Y0 0.4

Abutment and fillet dimensions(mm)

Da max 73

db min 72

Da min 103

Db min 123

Ca min 5

Cb min 11.5

Mass (kg) 1.9

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