Pulleys - Metric Timing - 5.000mm Pitch - GT - 25mm Wide - Through Bore

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A selection of Through Bore 25mm Wide GT 5.000mm Pitch Metric Timing Pulleys. Timing Pulleys to suit GT 5.000mm Pitch Timing Belts. Suits belts 25mm wide. Aluminium, steel and cast iron. Use with GT2 or GT3 type belts.

  • 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.
  • Black oxide coated steel with unfinished bores
  • Unfinished types requires drilling and tapping
  • Bore requires machining to finished size
Small Parts & Bearings

Additional resources:
Timing Pulleys Catalogue PDF
5mm GT Timing Belts

A more comprehensive listing may be found on the MBA Minibearings main store at Pulleys - Metric Timing - 5.000mm Pitch - GT - 25mm Wide - Through Bore.
Number of Teeth Max Belt Width Bore (d) Bore Type Locking Type Indicative
Image
Number of Teeth
18
Max Belt Width
25.00
mm
Bore (d)
6.350
mm
Bore Type
Unfinished
Locking Type
None
Metric Timing Pulleys - 18 tooth - 25x6.35 mm - Steel - Black Oxide
Material: Steel - Black Oxide    Type: 2    Pitch Dia. (PD): 28.64 mm    Flange Diameter (FD): 34.9 mm    Overall Length: 41.9 mm    Hub Diameter (HD): 17.5   
Part Number: P-050G-018-250FF-SB-N-064U (Each) Metric Timing Pulleys - 18 tooth - 25x6.35 mm 5mm Pitch - Steel - Black Oxide Pulley
Out of Stock | Backorder Now | Orders can be expected around Thu, Aug 20, 2026
$151.05 AUD
$151.05 AUD
Each
Number of Teeth Max Belt Width Bore (d) Bore Type Indicative
Image
Number of Teeth
18
Max Belt Width
25.00
mm
Bore (d)
6.350
mm
Bore Type
Unfinished
Metric Timing Pulleys - 18 tooth - 25x6.35 mm - Steel - Black Oxide
Material: Steel - Black Oxide    Locking Type: None    Type: 2    Pitch Dia. (PD): 28.64 mm    Flange Diameter (FD): 34.9 mm    Overall Length: 41.9 mm    Hub Diameter (HD): 17.5   
Part Number: P-050G-018-250FF-SB-N-064U (Each) Metric Timing Pulleys - 18 tooth - 25x6.35 mm 5mm Pitch - Steel - Black Oxide Pulley
Out of Stock | Backorder Now | Orders can be expected around Thu, Aug 20, 2026
$151.05 AUD
$151.05 AUD
Each
View the product page first if you are unsure.