Paired Single Row Tapered Roller Bearings (Face to Face)

31313.DF

Bearing NO. 31313.DF

Boundary dimensions（mm）

d 65

D 140

T 72

Load ratings[kN]

Dyna Cr 281

Static Dor 380

Fatigue load limit [kN]

pu 47.5

Speed ratings[rpm]

grease 1800

Oil 2600

Mass（kg） 5.6

Bearing dimensions

2B 66

r3.4 min 2.5

r5 min 1

Abutment and fillet dimensions

da max 80

Da min 111

Da max 128

Ca min 5

ra max 2

rb max 0.8

Calculation factors

e 0.83

Y1 0.81

Y2 1.2

Y0 0.8

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