Miniature Bearings Australia - MBA Minibearings
Miniature Bearings Australia

P-H-021-254FF-CB-N-0191U - Datasheet

MBA

Category Information

Pulleys - Inch Timing - 12.700mm Pitch H - 25.4mm Wide - Through Bore

Through Bore 25.4mm Wide 12.700mm Pitch H Inch Timing Pulleys. Timing Pulleys to suit H Series 12.700mm Pitch. Unfinished Bore.

  • Timing pulleys combined with timing belts, provide power transmission without slippage.
  • Timing pulleys are toothed pulleys used with timing belts to synchronize the movement of different mechanical components, ensuring precise timing and coordination.
  • Some uses for timing pulleys include 3D printers, CNC machines, robotics and automation components, textile machinery, office equipment such as scanners and copiers, and medical devices requiring precise movement control.
  • Cast Iron and Steel
  • Hub requires drilling and tapping
  • Bore requires machining to finished size

Product Data

  • Number of Teeth : 21
  • Max Belt Width (W) 25.40 mm
    (Equiv. 1 in.)
  • Bore (d) 19.050 mm
    (Equiv. 0.75 in.)
  • Bore Type Unfinished
  • Type 2
  • Pitch Dia. (PD) 84.86 mm
  • Flange Diameter (FD) 90.8 mm
  • Overall Length 54.0 mm
  • Hub Diameter (HD) 66.7
  • Locking Type None
  • Material Cast Iron
Country of Origin: US

Product Compliance and Data

Additional Resources

Cross References

  • Gates 21H100-6FS8
  • 6495K91
  • 21H1006FS8
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