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12B Simplex 13 Tooth Pilot Bore Sprocket

Variation Not Available
CS6SR13
In Stock
£ 9.77 Inc VAT £ 8.14 Ex VAT

Pitch - 12B

No of Teeth - 13

No of Strands - Simplex

Bore Type - Pilot Bore

Series - British Standard

Material - Steel

Country of origin - China

Commodity code - 8483908990

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SPECIFICATION
FURTHER INFO

BS (12B) Sprockets – 3/4

  • Tooth radius: r3 = 19
  • Radius size: C = 2
  • Tooth width: B1 = 11.1
  • Tooth width: b1 = 10.8
  • Tooth width: B2 = 30.3
  • Tooth width: B3 = 49.8
No.
teeth
Outside
dia. de
Pitch
dia. dp
Simplex Duplex Triplex
dm D1* A dm D1* A dm D1* A
8 57.6 49.78 31 12 30 31 12 45 31 16 65
9 62 55.70 37 12 30 37 12 45 37 16 65
10 69 61.64 42 12 30 42 12 45 42 16 65
11 75 67.61 46 14 35 47 16 50 47 20 70
12 81.5 73.60 52 14 35 53 16 50 53 20 70
13 87.5 79.59 58 14 35 59 16 50 59 20 70
14 93.6 85.61 64 14 35 65 16 50 65 20 70
15 99.8 91.63 70 14 35 71 16 50 71 20 70
16 105.5 97.65 75 16 35 77 20 50 77 20 70
17 111.5 103.67 80 16 35 83 20 50 83 20 70
18 118 109.71 80 16 35 89 20 50 89 20 70
19 124.2 115.75 80 16 35 95 20 50 95 20 70
20 129.7 121.78 80 16 35 100 20 50 100 20 70
21 136 127.82 90 20 40 100 20 50 100 20 70
22 141.8 133.86 90 20 40 100 20 50 100 20 70
23 149 139.90 90 20 40 110 20 50 110 20 70
24 153.9 145.94 90 20 40 110 20 50 110 20 70
25 160 152.00 90 20 40 120 20 50 120 20 70
26 165.9 158.04 95 20 40 120 20 50 120 20 70
27 172.3 164.09 95 20 40 120 20 50 120 20 70
28 178 170.13 95 20 40 120 20 50 120 20 70
29 184.1 176.19 95 20 40 120 20 50 120 20 70
30 190.5 182.25 95 20 40 120 20 50 120 20 70
31 196.3 188.31 100 20 40 130 20 50 130 25 70
32 203.3 194.35 100 20 40 130 20 50 130 25 70
33 209.3 200.40 100 20 40 130 20 50 130 25 70
34 214.6 206.46 100 20 40 130 20 50 130 25 70
35 221 212.52 100 20 40 130 20 50 130 25 70
36 226.8 218.58 100 20 40 130 25 50 130 25 70
37 232.9 224.64 100 20 40 130 25 50 130 25 70
38 239 230.69 100 20 40 130 25 50 130 25 70
39 245.1 236.75 100 20 40 130 25 50 130 25 70
40 251.3 242.81 100 20 40 130 25 50 130 25 70
57 355.4 345.81 118 25 61 136 25 62

* Bore Ø H12
All dimensions in mm. Intermediate sizes & special sprockets to drawing up to 1000mm diameter. Standard to ISO/R 606

BS Cast Iron Sprockets 12B – ISO/R 606

Cast Iron Sprockets (12B) 3/4″ x 7/16″ (British Standard) to ISO/R 606
No.
teeth
de dp Simplex Duplex Triplex
dm D1* A dm D1* A dm D1* A
38 239 230.69 100 23 56 110 29 63 140 30 70
45 282.5 273.10 100 23 56 110 29 63 140 30 70
57 355.4 345.81 100 29 56 120 29 63 140 39 70
76 469.9 460.99 100 29 56 135 29 63 160 39 75
**95 585.1 576.17 100 29 65 135 29 70 170 39 82
**114 700.6 691.36 100 29 65 135 29 70 170 49 82

** Simplex sprockets with rim reinforcement on both sides

Tooth radius: r3 = 19
Radius size: C = 2
Tooth width: B1 11.1
Tooth width: b1 = 10.8
Tooth width: B2 = 30.3
Tooth width: B3 = 49.8

* Bore Ø H12
All dimensions in mm. Intermediate sizes & special sprockets to drawing up to 1000mm diameter. Standard to ISO/R 606

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