Pilot Bore Sprockets

Pilot Bore Sprockets are used in industrial machinery, as well as vehicles that use drive chains like bicycles and motorcycles. The term sprocket usually applies to a wheel driven by a chain or it might equally refer to the teeth or cogs present in a mechanical wheel.

Pilot Bore Sprockets, sometimes known as "Rough Stock Bore Sprockets", are supplied as a standard with a plain boss, an unusually cylindrical projection that provides a contact surface around a hole. This type of sprocket is machined to fit on a shaft.

Depending on the type of application, there are three major types of Pilot Bore Sprockets available at Bearing Shop UK:

- Simplex Pilot Bore Sprockets

- Duplex Pilot Bore Sprockets

- Triplex Pilot Bore Sprockets

The term “simplex” refers to single strand chains. Thus, choosing between simplex, duplex, and triplex Pilot Bore Sprockets is easily determinable by the number of chain rows..



Aside from Pilot Bore Sprockets, we provide Power Transmission products that include V BeltsV Pulley, Couplings & Gears, and several more mechanical products like Bearings & Bushes, Tools & Fasteners, and many more.

Can't find what you are looking for? Contact us and we will help you find the products you need.

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  1. 8SR08 Simplex Pilot Bore Sprocket
    £11.58 £9.65
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 8
    PCD: 64.68mm

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  2. 8DR08 Duplex Pilot Bore Sprocket
    £19.36 £16.13
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 8
    PCD: 64.68mm

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  3. 8TR08 Triplex Pilot Bore Sprocket
    £25.92 £21.60
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 8
    PCD: 64.68mm

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  4. 8SR09 Simplex Pilot Bore Sprocket
    £11.58 £9.65
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 9
    PCD: 72.77mm

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  5. 8DR09 Duplex Pilot Bore Sprocket
    £22.12 £18.43
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 9
    PCD: 72.77mm

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  6. 8TR09 Triplex Pilot Bore Sprocket
    £34.73 £28.94
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 9
    PCD: 72.77mm

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  7. 8SR10 Simplex Pilot Bore Sprocket
    £12.61 £10.51
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 10
    PCD: 80.85mm

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  8. 8DR10 Duplex Pilot Bore Sprocket
    £24.89 £20.74
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 10
    PCD: 80.85mm

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  9. 8TR10 Triplex Pilot Bore Sprocket
    £37.15 £30.96
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 10
    PCD: 80.85mm

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  10. 8SR11 Simplex Pilot Bore Sprocket
    £14.17 £11.81
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 11
    PCD: 88.94mm

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  11. 8DR11 Duplex Pilot Bore Sprocket
    £29.89 £24.91
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 11
    PCD: 88.94mm

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  12. 8TR11 Triplex Pilot Bore Sprocket
    £45.79 £38.16
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 11
    PCD: 88.94mm

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  13. 8SR12 Simplex Pilot Bore Sprocket
    £16.25 £13.54
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 12
    PCD: 97.02mm

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  14. 8DR12 Duplex Pilot Bore Sprocket
    £35.77 £29.81
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 12
    PCD: 97.02mm

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  15. 8TR12 Triplex Pilot Bore Sprocket
    £48.73 £40.61
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 12
    PCD: 97.02mm

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  16. 8SR13 Simplex Pilot Bore Sprocket
    £16.93 £14.11
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 13
    PCD: 105.11mm

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  17. 8DR13 Duplex Pilot Bore Sprocket
    £36.80 £30.67
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 13
    PCD: 105.11mm

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  18. 8TR13 Triplex Pilot Bore Sprocket
    £70.15 £58.46
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 13
    PCD: 105.11mm

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  19. 8SR14 Simplex Pilot Bore Sprocket
    £18.49 £15.41
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 14
    PCD: 113.19mm

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  20. 8DR14 Duplex Pilot Bore Sprocket
    £53.05 £44.21
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 14
    PCD: 113.19mm

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  21. 8TR14 Triplex Pilot Bore Sprocket
    £79.84 £66.53
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 14
    PCD: 113.19mm

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  22. 8SR15 Simplex Pilot Bore Sprocket
    £19.87 £16.56
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 15
    PCD: 121.28mm

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  23. 8DR15 Duplex Pilot Bore Sprocket
    £56.68 £47.23
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 15
    PCD: 121.28mm

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  24. 8TR15 Triplex Pilot Bore Sprocket
    £89.16 £74.30
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 15
    PCD: 121.28mm

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  25. 8SR16 Simplex Pilot Bore Sprocket
    £23.68 £19.73
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 16
    PCD: 129.36mm

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  26. 8DR16 Duplex Pilot Bore Sprocket
    £61.00 £50.83
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 16
    PCD: 129.36mm

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  27. 8TR16 Triplex Pilot Bore Sprocket
    £95.04 £79.20
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 16
    PCD: 129.36mm

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  28. 8SR17 Simplex Pilot Bore Sprocket
    £25.92 £21.60
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 17
    PCD: 137.45mm

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  29. 8DR17 Duplex Pilot Bore Sprocket
    £66.18 £55.15
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 17
    PCD: 137.45mm

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  30. 8TR17 Triplex Pilot Bore Sprocket
    £103.16 £85.97
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 17
    PCD: 137.45mm

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  31. 8SR18 Simplex Pilot Bore Sprocket
    £28.86 £24.05
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 18
    PCD: 145.53mm

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  32. 8DR18 Duplex Pilot Bore Sprocket
    £81.38 £67.82
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 18
    PCD: 145.53mm

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  33. 8TR18 Triplex Pilot Bore Sprocket
    £111.46 £92.88
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 18
    PCD: 145.53mm

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  34. 8SR19 Simplex Pilot Bore Sprocket
    £30.07 £25.06
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 19
    PCD: 153.62mm

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  35. 8DR19 Duplex Pilot Bore Sprocket
    £87.43 £72.86
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 19
    PCD: 153.62mm

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  36. 8TR19 Triplex Pilot Bore Sprocket
    £123.04 £102.53
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 19
    PCD: 153.62mm

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  37. 8SR20 Simplex Pilot Bore Sprocket
    £35.59 £29.66
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 20
    PCD: 161.7mm

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  38. 8DR20 Duplex Pilot Bore Sprocket
    £91.07 £75.89
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 20
    PCD: 161.7mm

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  39. 8TR20 Triplex Pilot Bore Sprocket
    £142.39 £118.66
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 20
    PCD: 161.7mm

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  40. 8SR21 Simplex Pilot Bore Sprocket
    £37.67 £31.39
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 21
    PCD: 169.79mm

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  41. 8DR21 Duplex Pilot Bore Sprocket
    £102.65 £85.54
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 21
    PCD: 169.79mm

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  42. 8TR21 Triplex Pilot Bore Sprocket
    £150.85 £125.71
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 21
    PCD: 169.79mm

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  43. 8SR22 Simplex Pilot Bore Sprocket
    £38.18 £31.82
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 22
    PCD: 177.87mm

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  44. 8DR22 Duplex Pilot Bore Sprocket
    £111.46 £92.88
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 22
    PCD: 177.87mm

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  45. 8TR22 Triplex Pilot Bore Sprocket
    £158.28 £131.90
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 22
    PCD: 177.87mm

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  46. 8SR23 Simplex Pilot Bore Sprocket
    £41.99 £34.99
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 23
    PCD: 185.96mm

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  47. 8DR23 Duplex Pilot Bore Sprocket
    £112.32 £93.60
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 23
    PCD: 185.96mm

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  48. 8TR23 Triplex Pilot Bore Sprocket
    £161.57 £134.64
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 23
    PCD: 185.96mm

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  49. 8SR24 Simplex Pilot Bore Sprocket
    £45.28 £37.73
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 24
    PCD: 194.04mm

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  50. 8DR24 Duplex Pilot Bore Sprocket
    £121.48 £101.23
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 24
    PCD: 194.04mm

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  51. 8TR24 Triplex Pilot Bore Sprocket
    £179.88 £149.90
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 24
    PCD: 194.04mm

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  52. 8SR25 Simplex Pilot Bore Sprocket
    £46.14 £38.45
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 25
    PCD: 202.13mm

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  53. 8DR25 Duplex Pilot Bore Sprocket
    £131.84 £109.87
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 25
    PCD: 202.13mm

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  54. 8TR25 Triplex Pilot Bore Sprocket
    £192.50 £160.42
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 25
    PCD: 202.13mm

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  55. 8SR26 Simplex Pilot Bore Sprocket
    £55.13 £45.94
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 26
    PCD: 210.21mm

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  56. 8DR26 Duplex Pilot Bore Sprocket
    £142.56 £118.80
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 26
    PCD: 210.21mm

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  57. 8TR26 Triplex Pilot Bore Sprocket
    £206.15 £171.79
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 26
    PCD: 210.21mm

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  58. 8SR27 Simplex Pilot Bore Sprocket
    £57.89 £48.24
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 27
    PCD: 218.3mm

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  59. 8DR27 Duplex Pilot Bore Sprocket
    £154.66 £128.88
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 27
    PCD: 218.3mm

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  60. 8TR27 Triplex Pilot Bore Sprocket
    £220.67 £183.89
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 27
    PCD: 218.3mm

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  61. 8SR28 Simplex Pilot Bore Sprocket
    £62.04 £51.70
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 28
    PCD: 226.38mm

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  62. 8DR28 Duplex Pilot Bore Sprocket
    £162.60 £135.50
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 28
    PCD: 226.38mm

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  63. 8TR28 Triplex Pilot Bore Sprocket
    £226.02 £188.35
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 28
    PCD: 226.38mm

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  64. 8SR29 Simplex Pilot Bore Sprocket
    £67.39 £56.16
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 29
    PCD: 234.47mm

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  65. 8DR29 Duplex Pilot Bore Sprocket
    £173.66 £144.72
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 29
    PCD: 234.47mm

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  66. 8TR29 Triplex Pilot Bore Sprocket
    £248.66 £207.22
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 29
    PCD: 234.47mm

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  67. 8SR30 Simplex Pilot Bore Sprocket
    £72.74 £60.62
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 30
    PCD: 242.55mm

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  68. 8DR30 Duplex Pilot Bore Sprocket
    £195.61 £163.01
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 30
    PCD: 242.55mm

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  69. 8TR30 Triplex Pilot Bore Sprocket
    £259.03 £215.86
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 30
    PCD: 242.55mm

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  70. 8SR31 Simplex Pilot Bore Sprocket
    £82.08 £68.40
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 31
    PCD: 250.64mm

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  71. 8DR31 Duplex Pilot Bore Sprocket
    £197.16 £164.30
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 31
    PCD: 250.64mm

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  72. 8TR31 Triplex Pilot Bore Sprocket
    £294.28 £245.23
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 31
    PCD: 250.64mm

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  73. 8SR32 Simplex Pilot Bore Sprocket
    £87.43 £72.86
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 32
    PCD: 258.72mm

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  74. 8DR32 Duplex Pilot Bore Sprocket
    £216.17 £180.14
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 32
    PCD: 258.72mm

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  75. 8TR32 Triplex Pilot Bore Sprocket
    £306.55 £255.46
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 32
    PCD: 258.72mm

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  76. 8SR33 Simplex Pilot Bore Sprocket
    £90.37 £75.31
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 33
    PCD: 266.81mm

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  77. 8DR33 Duplex Pilot Bore Sprocket
    £223.26 £186.05
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 33
    PCD: 266.81mm

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  78. 8TR33 Triplex Pilot Bore Sprocket
    £332.99 £277.49
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 33
    PCD: 266.81mm

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  79. 8SR34 Simplex Pilot Bore Sprocket
    £86.40 £72.00
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 34
    PCD: 274.89mm

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  80. 8DR34 Duplex Pilot Bore Sprocket
    £221.35 £184.46
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 34
    PCD: 274.89mm

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  81. 8TR34 Triplex Pilot Bore Sprocket
    £349.75 £291.46
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 34
    PCD: 274.89mm

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  82. 8SR35 Simplex Pilot Bore Sprocket
    £91.58 £76.32
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 35
    PCD: 282.98mm

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  83. 8DR35 Duplex Pilot Bore Sprocket
    £245.72 £204.77
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 35
    PCD: 282.98mm

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  84. 8TR35 Triplex Pilot Bore Sprocket
    £391.56 £326.30
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 35
    PCD: 282.98mm

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  85. 8SR36 Simplex Pilot Bore Sprocket
    £91.07 £75.89
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 36
    PCD: 291.06mm

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  86. 8DR36 Duplex Pilot Bore Sprocket
    £263.35 £219.46
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 36
    PCD: 291.06mm

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  87. 8TR36 Triplex Pilot Bore Sprocket
    £398.30 £331.92
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 36
    PCD: 291.06mm

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  88. 8SR37 Simplex Pilot Bore Sprocket
    £96.94 £80.78
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 37
    PCD: 299.15mm

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  89. 8DR37 Duplex Pilot Bore Sprocket
    £264.55 £220.46
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 37
    PCD: 299.15mm

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  90. 8SR38 Simplex Pilot Bore Sprocket
    £100.57 £83.81
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 38
    PCD: 307.23mm

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  91. 8DR38 Duplex Pilot Bore Sprocket
    £294.28 £245.23
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 38
    PCD: 307.23mm

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  92. 8TR38 Triplex Pilot Bore Sprocket
    £433.03 £360.86
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 38
    PCD: 307.23mm

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  93. 8SR39 Simplex Pilot Bore Sprocket
    £107.48 £89.57
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 39
    PCD: 315.32mm

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  94. 8DR39 Duplex Pilot Bore Sprocket
    £297.05 £247.54
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 39
    PCD: 315.32mm

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  95. 8SR40 Simplex Pilot Bore Sprocket
    £113.70 £94.75
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 40
    PCD: 323.4mm

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  96. 8DR40 Duplex Pilot Bore Sprocket
    £318.65 £265.54
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 40
    PCD: 323.4mm

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  97. 8TR40 Triplex Pilot Bore Sprocket
    £504.23 £420.19
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 40
    PCD: 323.4mm

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  98. 8SR45 Simplex Pilot Bore Sprocket
    £145.85 £121.54
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 45
    PCD: 363.83mm

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  99. 8DR45 Duplex Pilot Bore Sprocket
    £435.29 £362.74
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 45
    PCD: 363.83mm

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  100. 8TR45 Triplex Pilot Bore Sprocket
    £670.12 £558.43
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 45
    PCD: 363.83mm

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  101. 8SR57 Simplex Pilot Bore Sprocket
    £257.47 £214.56
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 57
    PCD: 460.85mm

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  102. 8DR57 Duplex Pilot Bore Sprocket
    £712.63 £593.86
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 57
    PCD: 460.85mm

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  103. 8TR57 Triplex Pilot Bore Sprocket
    £724.20 £603.50
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 57
    PCD: 460.85mm

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  104. 8SR76 Simplex Pilot Bore Sprocket
    £433.03 £360.86
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 76
    PCD: 614.47mm

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  105. 8DR76 Duplex Pilot Bore Sprocket
    £1,251.07 £1,042.56
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 76
    PCD: 614.47mm

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  106. 8TR76 Triplex Pilot Bore Sprocket
    £1,322.23 £1,101.86
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 76
    PCD: 614.47mm

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  107. 8SR95 Simplex Pilot Bore Sprocket
    £733.88 £611.57
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 95
    PCD: 768.08mm

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  108. 8DR95 Duplex Pilot Bore Sprocket
    £1,960.58 £1,633.82
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 95
    PCD: 768.08mm

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  109. 8TR95 Triplex Pilot Bore Sprocket
    £2,794.69 £2,328.91
    Pitch: 25.4mm (1") or 16B
    Number of Teeth: 95
    PCD: 768.08mm

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