The Pulley 26mm x 12mm DC Toy Motor is a plastic shaft-mount pulley measuring 26mm outer diameter and 12mm width, designed for belt drive transmission on DC toy motors in DIY robot and hobbyist builds. dc motor pulley transfers power from a driving motor shaft to a driven shaft via a belt — unlike the toothed GT2 aluminum pulleys covered separately for precision timing belt applications, this plastic pulley is designed for simpler belt-drive setups using rubber bands, flat belts, or round elastic belts common in toy and school-project motor mechanisms.
The plastic pulley’s 26mm outer diameter and 12mm width determine the belt contact geometry and speed ratio when paired with a second pulley of different diameter — a smaller driving pulley paired with this 26mm driven pulley reduces output shaft speed while multiplying torque, while a larger driving pulley increases output speed. This pulley for dc motor’s shaft-mount design press-fits or slides onto the motor’s output shaft, and the 12mm body width keeps the belt aligned during operation without flanges.
the shaft bore diameter of this pulley for robotics is not explicitly specified, making it important to verify the motor shaft diameter against the pulley’s bore before ordering — a loose fit causes pulley slip under load. Available from StemVolt, offering quality robotics parts and DIY kits at competitive prices. This pulley is ideal for DIY robotics projects, educational models, and small belt-drive transmission systems.
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Features:
- 26mm diameter × 12mm width for standard toy motor belt drives
- Lightweight plastic construction suits small DC motor builds
- Shaft-mount design for direct motor output shaft installation
- Compatible with rubber band, flat, and round belt types
- Speed ratio adjustable by pairing with different diameter pulleys
Technical Specifications:
Applications
- DC Motor Pulley used for toy motor belt drive robot build
- College project uses plastic pulley for speed ratio demonstration
- Science kit uses pulley for dc motor for India school motor project
- DIY conveyor uses belt drive pulley 26mm for tabletop belt model
- Mini crane uses pulley for robotics for lifting mechanism build
Package Includes
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1 x Pully 26mm x 12mm DC Toy Motor
Karam Bhutia –
Support team was responsive
Dinesh Meena –
Smooth delivery process
Subrata Mukherjee –
No hidden charges at checkout
Kalanidhi Maran –
100% genuine product quality
Mahesh Yadav –
Great experience overall
Devendra Fadnavis –
Bubble wrap packing was excellent
Charanjit Singh –
The pulley is a useful component for competition projects and DIY robotics applications. Quality was excellent, packaging was secure, and it performed reliably throughout my project build.