Chiaravalli THF Chain Sprocket with Hole + Keyway + Screw Holes 08B-1 (1/2″ × 5/16″ · Z 19–30)


Teeth: Z=19
Bore: ØD1 19
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Description

Simplex chain sprocket with hardened teeth (HRC 45÷53), finished bore, keyway and set-screw holes, for 08B-1 roller chain (1/2″ × 5/16″), teeth Z 19–30.

  • Keyway DIN 6885 UNI 6604 — keyway in line with tooth
  • Sprocket tooth width B1: 7.2 mm
  • Chain pitch: 12.7 mm
  • Chain inner width: 7.75 mm
  • Chain roller Ø: 8.51 mm

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