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Simplex Pilot Bore Sprocket

16B Simplex 21 Tooth Pilot Bore Sprocket

Variation Not Available
CS8SR21
In Stock
£ 46.49 Inc VAT £ 38.74 Ex VAT

Pitch - 16B

No of Teeth - 21

No of Strands - Simplex

Bore Type - Pilot Bore

Series - British Standard

Material - Steel

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SPECIFICATION
FURTHER INFO

BS (16B) Sprockets – 1

  • Tooth radius: r3 = 26
  • Radius size: C = 2.5
  • Tooth width: B1 = 16.2
  • Tooth width: b1 = 15.8
  • Tooth width: B2 = 47.7
  • Tooth width: B3 = 79.6
No. teeth Outside dia. de Pitch dia. dp Simplex Duplex Triplex No. teeth Outside dia. de Pitch dia. dp Simplex Duplex Triplex
dm D1* A dm D1* A dm D1* A dm D1* A dm D1* A dm D1* A
8 77 66.37 42 16 35 42 16 65 42 20 95 25 213.5 202.66 110 20 50 130 25 70 130 30 100
9 85 74.27 50 16 35 50 16 65 50 20 95 26 221.6 210.72 120 20 50 130 25 70 130 30 100
10 93 82.19 55 16 35 56 16 65 56 20 95 27 229.6 218.79 120 20 50 130 25 70 130 30 100
11 99.5 90.14 61 16 40 64 20 70 64 25 100 28 237.7 226.85 120 20 50 130 25 70 130 30 100
12 109 98.14 69 16 40 72 20 70 72 25 100 29 245.8 234.92 120 20 50 130 25 70 130 30 100
13 117 106.12 78 16 40 80 20 70 80 25 100 30 254 243.00 120 20 50 130 25 70 130 30 100
14 125 114.15 84 16 40 88 20 70 88 25 100 31 262 251.08 120 25 50 140 25 70 130 30 100
15 133 122.17 92 16 40 96 20 70 96 25 100 32 270 259.13 120 25 50 140 25 70 140 30 100
16 141 130.20 100 20 45 104 20 70 104 30 100 33 278.5 267.21 120 25 50 140 25 70 140 30 100
17 149 138.22 100 20 45 112 20 70 112 30 100 34 287 275.28 120 25 50 140 25 70 140 30 100
18 157 146.28 100 20 45 120 20 70 120 30 100 35 296.2 283.36 120 25 50 140 25 70 140 30 100
19 165.2 154.33 100 20 45 128 20 70 128 30 100 35 296.2 283.36 120 25 50 140 25 70 140 30 100
20 173.2 162.38 100 20 45 130 20 70 130 30 100 36 304.6 291.44 120 25 50 140 25 70 140 30 100
21 181.2 170.43 110 20 50 130 25 70 130 30 100 37 312.6 299.51 120 25 50 140 25 70 140 30 100
22 189.3 178.48 110 20 50 130 25 70 130 30 100 38 320.7 307.59 120 25 50 140 25 70 140 30 100
23 197.5 186.53 110 20 50 130 25 70 130 30 100 39 328.8 315.67 120 25 50 140 25 70 140 30 100
24 205.5 194.59 110 20 50 130 25 70 130 30 100 40 336.9 323.75 120 25 50 140 25 70 140 30 100

BS Cast Iron Sprockets 16B

Cast Iron Sprockets (16B) 1″ x 17.02mm (British Standard) to ISO/R 606
No. teeth de dp Simplex Duplex Triplex No. teeth de dp Simplex Duplex Triplex
dm D1* A dm D1* A dm D1* A dm D1* A dm D1* A dm D1* A
30 254 243.00 110 29 65 125 39 75 145 39 90 76 627 614.65 140 34 80 175 39 95 200 44 110
38 320 307.59 110 29 65 140 39 75 160 44 100 95 781.1 768.22 140 39 80 175 44 95 200 49 110
45 377.1 364.12 125 29 70 150 39 75 160 44 100 **114 934.3 921.81 140 39 80 175 44 95 200 49 115
57 474 461.07 125 34 70 170 39 90 165 44 100

** Simplex sprockets with rim reinforcement on both sides

*Bore Ø H12

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