1) Dimensions:
A) 80 x 80 x 25mm
B) 92 x 92 x 25mm
C) 120 x 120 x 25mm
D) 120 x 120 x 38mm
E) 172 x 150 x 51mm
F) 172 x 172 x 51mm
G) 230 x 230 x 65mm
2) Rated voltage: AC 110V / 230V, 50 / 60Hz
3) Type: Ball bearing, sleeve bearing