Factory Promotional Flexible Shaft Coupling - Bolt-On-Hubs, Type SM, BF per GG22 Cast Iron – GOODLUCK
Factory Promotional Flexible Shaft Coupling - Bolt-On-Hubs, Type SM, BF per GG22 Cast Iron – GOODLUCK Detail:
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 |
6×7.5 |
SM16-1 |
1610 |
200 |
110 |
150 |
26 |
7.5 |
6×7.5 |
SM16-2 |
1615 |
200 |
110 |
150 |
38 |
7.5 |
6×7.5 |
SM20 |
2012 |
270 |
140 |
190 |
32 |
8.5 |
6×9.5 |
SM25 |
2517 |
340 |
170 |
240 |
45 |
9.5 |
8×11.5 |
SM30-1 |
3020 |
430 |
220 |
220 |
51 |
13.5 |
8×11.5 |
SM30-2 |
3020 |
485 |
250 |
340 |
51 |
13.5 |
8×13.5 |
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 |
6×7.5 |
BF16 |
1610 |
130 |
90 |
110 |
25 |
6.5 |
90 |
10 |
6×7.5 |
BF20 |
2012 |
145 |
100 |
125 |
32 |
8.5 |
100 |
13 |
6×9.5 |
BF25 |
2517 |
185 |
130 |
155 |
44 |
11.5 |
119 |
20 |
8×11.5 |
BF30 |
3020 |
220 |
165 |
190 |
50 |
11.5 |
147 |
20 |
8×13.5 |
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.
Product detail pictures:

Related Product Guide:
To be the stage of realizing dreams of our employees! To build a happier, far more united and far more specialist team! To reach a mutual profit of our customers, suppliers, the society and ourselves for Factory Promotional Flexible Shaft Coupling - Bolt-On-Hubs, Type SM, BF per GG22 Cast Iron – GOODLUCK , The product will supply to all over the world, such as: Kuwait, Malta, Mecca, Our company follows laws and international practice. We promise to be responsible for friends, customers and all partners. We would like to establish a long-term relationship and friendship with every customer from all over the world on the basis of mutual benefits. We warmly welcome all old and new customers to visit our company to negotiate business.

We are really happy to find such a manufacturer that ensuring product quality at the same time the price is very cheap.
