57 teeth

Duplex| d: 40mm
Duplex| Dh: 150mm
Duplex| L: 90mm
Triplex| d: 40mm
Triplex| Dh: 180mm
Triplex| L: 110mm
Pitch | Via Dp: 461.07mm
Outside | Dia Do: 474.00mm
Bore | d: 30mm
Hub | Dh: 125mm
Hub | L: 68mm