440881 - F-246/3467-2S2-6  	.3467/.3534	RPM 3200/6800/7200 
441231 - F-248/3334-2-8	 	.3334/.3468	RPM 3400/7200/7800
441301 - F-256/3634-2S-6	.3634/.3754	RPM 4000/7400/8000
441391 - F-258/3667-2S-6 	.3667/.380	RPM 4200/7200/7800
441621 - F-276/406-2S1-8  	.4060/.4125	RPM 5000/8200/8800