Bolt-On-Hubs, Type SM, BF per GG22 Cast Iron

Bolt-on-Hubs Taper Bore Bolt-on-Hubs are designed for use with the univesally accepted Taper Bush. They provide a convenient means of securing fan rotors, impellers, agitators and other devices which must be fastened firmly to shafts. Our producted Bolt-on-Hubs, type BF and SM complete the range. They are manufactured from GG22 cast iron and are phosphated for extra rust protection. SM Bolt-on-Hubs

Size	Bush Number	A	B	C	D	E	J (No. x Diam)
		mm	mm	mm	mm	mm
SM12	1210	180	90	135	26	6.5	6x7.5
SM16-1	1610	200	110	150	26	7.5	6x7.5
SM16-2	1615	200	110	150	38	7.5	6x7.5
SM20	2012	270	140	190	32	8.5	6x9.5
SM25	2517	340	170	240	45	9.5	8x11.5
SM30-1	3020	430	220	220	51	13.5	8x11.5
SM30-2	3020	485	250	340	51	13.5	8x13.5

BF Bolt-on-Hubs

Size	Bush Number	A	B	C	D	E	G	H	J (No. x Diam)
		mm	mm	mm	mm	mm
BF12	1210	120	80	100	25	5.5	80	10	6x7.5
BF16	1610	130	90	110	25	6.5	90	10	6x7.5
BF20	2012	145	100	125	32	8.5	100	13	6x9.5
BF25	2517	185	130	155	44	11.5	119	20	8x11.5
BF30	3020	220	165	190	50	11.5	147	20	8x13.5

Bolt-on Hubs are designed for the use of taper bushes, including BF and SM type. They provide a convenient solution of securing fan rotors, impellers, agitators and other devices which must be fastened firmly to shafts. They can be mounted from both sides. They are made from GG22 cast iron and are phosphated  for extra rust protection.