B

Outer Diameter: 381mm
Through Hole: 117.5mm
Max Speed: 2500rpm

Outer Diameter: 450mm
Through Hole: 117.5mm
Max Speed: 2000rpm

Outer Diameter: 530mm
Through Hole: 140mm
Max Speed: 1700rpm

Outer Diameter: 610mm
Through Hole: 165mm
Max Speed: 1400rpm