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30T-15W-12B — 3M Drive Pulley, 12mm Plain Bore
30T-15W-12B — 3M Drive Pulley, 12mm Plain Bore
A 30-tooth drive pulley for 15mm wide 3M belts, with a 12mm plain bore. The flanged body guides the belt through a compact drive assembly, making this configuration useful for CNC, automation and general machinery with a matching timing-belt system.
30T-15W-12B quick reference
Approximate drawing dimensions — verify the supplied pulley before machining30T-15W-12B dimensional data sheet
Dimensional reference for this 12mm plain-bore drive pulley. The illustration shows the raised hub and flanged body. Dimensions: 32mm step OD, 27.89mm tooth OD, 17mm toothed width and 29mm overall height.
Why use the 30T-15W-12B pulley?
- 30 teeth provide a defined pulley ratio when paired with the selected mating pulley.
- Designed around a 15mm wide timing belt for a compact belt-drive layout.
- Flanges help guide the belt when the pulleys are correctly aligned.
- The 12mm plain bore suits a matching shaft diameter; confirm shaft fit and the required pulley retention method.
- Reference dimensions: Ø32mm step OD, Ø27.89mm tooth OD, 17mm toothed width and 29mm overall height.
Confirmed reference dimensions
| Model | Bore Ø | Step OD | Tooth OD | Toothed width | Overall height | Bore type |
|---|---|---|---|---|---|---|
| 30T-15W-12B | 12mm | 32mm | 27.89mm | 17mm | 29mm | Plain |
Reference: Confirmed reference values: Ø32mm step OD, Ø27.89mm tooth OD, 17mm toothed width and 29mm overall height. The bore is changed only for the listed variant. No flange or hub diameter is claimed. Measure the supplied pulley and shaft before final machining.
Australia-wide supply
NCMASTER supplies timing-drive components for customers across Victoria, New South Wales, Queensland, South Australia, Western Australia, Tasmania, the Australian Capital Territory and the Northern Territory.
For help matching this 12mm plain-bore pulley to your drive, provide the belt profile, belt width and shaft dimensions.
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