Frame Size	<=132		>132-225		>225-315
Synchronous speed r/min	600-1800	>1800-3600	600-1800	>1800-3600	500-1800	>1800-3600
Vibration Class	effective Value of Vibration speed mm/s
N	1.8¡¡		2.8		4.5
R	0.71	1.12	1.12	1.80	1.80	2.80
S	0.45	0.71	0.71	1.12	1.12	1.80