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12B1 - 3/4inch Simplex Chain Sprockets
Transmissions Chain Sprockets Pilot Bore Sprockets 3/4inch Pitch (12B1, 12B2, 12B3) Pilot Bore Sprockets
We are a leading supplier of 12B1 3/4inch pitch simplex chain sprockets, essential components in power transmission systems across a wide range of industrial applications. These British Standard pilot bore sprockets are designed for use with 12B1 simplex roller chains and feature a pilot bore that allows for custom machining to your exact shaft requirements. Our comprehensive range includes 37 different sprocket options from trusted manufacturer Medway, with tooth counts ranging from 8 to 95 teeth to suit virtually any application. These precision-engineered sprockets feature boss diameters from 31mm to 110mm, outside diameters from 57.6mm to 585.1mm, and pilot bore sizes from 12mm to 20mm, ensuring you can find the perfect match for your machinery requirements. Whether you need sprockets for conveyor systems, agricultural equipment, packaging machinery, or general industrial power transmission, our extensive stock is available for quick dispatch from our UK warehouse. If you need assistance selecting the correct sprocket for your application, please contact our knowledgeable technical team.
Boss Dia
58mm
58mm
Number of Teeth
13
13
Outside Dia
87.5mm
87.5mm
Overall Length
35mm
35mm
Pilot Bore Size
14mm
14mm
Pitch
3/4inch
3/4inch
Boss Dia
52mm
52mm
Number of Teeth
12
12
Outside Dia
81.5mm
81.5mm
Overall Length
35mm
35mm
Pilot Bore Size
14mm
14mm
Pitch
3/4inch
3/4inch
Boss Dia
64mm
64mm
Number of Teeth
14
14
Outside Dia
93.6mm
93.6mm
Overall Length
35mm
35mm
Pilot Bore Size
14mm
14mm
Pitch
3/4inch
3/4inch
Boss Dia
80mm
80mm
Number of Teeth
19
19
Outside Dia
124.2mm
124.2mm
Overall Length
35mm
35mm
Pilot Bore Size
16mm
16mm
Pitch
3/4inch
3/4inch
Boss Dia
70mm
70mm
Number of Teeth
15
15
Outside Dia
99.8mm
99.8mm
Overall Length
35mm
35mm
Pilot Bore Size
14mm
14mm
Pitch
3/4inch
3/4inch
Boss Dia
80mm
80mm
Number of Teeth
17
17
Outside Dia
111.5mm
111.5mm
Overall Length
35mm
35mm
Pilot Bore Size
16mm
16mm
Pitch
3/4inch
3/4inch
Boss Dia
90mm
90mm
Number of Teeth
21
21
Outside Dia
136mm
136mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
75mm
75mm
Number of Teeth
16
16
Outside Dia
105.5mm
105.5mm
Overall Length
35mm
35mm
Pilot Bore Size
16mm
16mm
Pitch
3/4inch
3/4inch
Boss Dia
90mm
90mm
Number of Teeth
25
25
Outside Dia
160mm
160mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
46mm
46mm
Number of Teeth
11
11
Outside Dia
75mm
75mm
Overall Length
35mm
35mm
Pilot Bore Size
14mm
14mm
Pitch
3/4inch
3/4inch
Boss Dia
42mm
42mm
Number of Teeth
10
10
Outside Dia
69mm
69mm
Overall Length
30mm
30mm
Pilot Bore Size
12mm
12mm
Pitch
3/4inch
3/4inch
Boss Dia
80mm
80mm
Number of Teeth
20
20
Outside Dia
129.7mm
129.7mm
Overall Length
35mm
35mm
Pilot Bore Size
16mm
16mm
Pitch
3/4inch
3/4inch
Boss Dia
90mm
90mm
Number of Teeth
24
24
Outside Dia
153.9mm
153.9mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
95mm
95mm
Number of Teeth
28
28
Outside Dia
178mm
178mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
90mm
90mm
Number of Teeth
23
23
Outside Dia
149mm
149mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
95mm
95mm
Number of Teeth
27
27
Outside Dia
172.3mm
172.3mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
80mm
80mm
Number of Teeth
18
18
Outside Dia
118mm
118mm
Overall Length
35mm
35mm
Pilot Bore Size
16mm
16mm
Pitch
3/4inch
3/4inch
Boss Dia
95mm
95mm
Number of Teeth
30
30
Outside Dia
190.5mm
190.5mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
31mm
31mm
Number of Teeth
8
8
Outside Dia
57.6mm
57.6mm
Overall Length
30mm
30mm
Pilot Bore Size
12mm
12mm
Pitch
3/4inch
3/4inch
Boss Dia
100mm
100mm
Number of Teeth
36
36
Outside Dia
226.8mm
226.8mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
90mm
90mm
Number of Teeth
22
22
Outside Dia
141.8mm
141.8mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
100mm
100mm
Number of Teeth
40
40
Outside Dia
251.3mm
251.3mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
95mm
95mm
Number of Teeth
26
26
Outside Dia
165.9mm
165.9mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
95mm
95mm
Number of Teeth
33
33
Outside Dia
209.3mm
209.3mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
100mm
100mm
Number of Teeth
32
32
Outside Dia
203.3mm
203.3mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
37m
37m
Number of Teeth
9
9
Outside Dia
62mm
62mm
Overall Length
30mm
30mm
Pilot Bore Size
12mm
12mm
Pitch
3/4inch
3/4inch
Boss Dia
95mm
95mm
Number of Teeth
34
34
Outside Dia
214.6mm
214.6mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
110mm
110mm
Number of Teeth
57
57
Outside Dia
355.4mm
355.4mm
Overall Length
56mm
56mm
Pitch
3/4inch
3/4inch
Boss Dia
95mm
95mm
Number of Teeth
35
35
Outside Dia
221mm
221mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
95mm
95mm
Number of Teeth
31
31
Outside Dia
196.3mm
196.3mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
100mm
100mm
Number of Teeth
37
37
Outside Dia
232.9mm
232.9mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
100mm
100mm
Number of Teeth
38
38
Outside Dia
239mm
239mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
110mm
110mm
Number of Teeth
45
45
Outside Dia
282.5mm
282.5mm
Overall Length
56mm
56mm
Pitch
3/4inch
3/4inch
Boss Dia
100mm
100mm
Number of Teeth
39
39
Outside Dia
245.1mm
245.1mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
95mm
95mm
Number of Teeth
29
29
Outside Dia
184.1mm
184.1mm
Overall Length
40mm
40mm
Pilot Bore Size
20mm
20mm
Pitch
3/4inch
3/4inch
Boss Dia
110mm
110mm
Number of Teeth
76
76
Outside Dia
469.9mm
469.9mm
Overall Length
56mm
56mm
Pitch
3/4inch
3/4inch
Boss Dia
110mm
110mm
Number of Teeth
95
95
Outside Dia
585.1mm
585.1mm
Overall Length
56mm
56mm
Pitch
3/4inch
3/4inch
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