Pololu Multi-Hub Wheel w/Inserts for 3mm and 4mm Shafts - 80×10mm, Black, 2-pack

Pololu Multi-Hub Wheel w/Inserts for 3mm and 4mm Shafts - 80×10mm, Black, 2-pack

10,95 € (Net 9,20 € )

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Delivery time: 6 - 8 Workdays (DE - int. shipments may differ)

SKU: PO3690
GTIN: 4060137049330
Category: Mechanical components
Manufacturers: Pololu
MPN: 3690
Storage Tiers: Maintain

These versatile black plastic wheels have silicone tires and measure 80 mm (3.15″) in diameter. What makes them special is the included set of interchangeable collets that can be inserted into the wheel to firmly grab four different shaft types: 3mm D, 3mm round, 4mm D, and 4mm round. The collet inserts start with a comfortably loose fit on their intended shafts, and unlike simple press-fit wheels, their grip on the shaft gets progressively tighter as they are compressed into the wheel disc, reducing the chances that the shaft will be able to slip within the wheel. This product is a pair of wheels.

These versatile wheels use interchangeable collets to tightly grab a variety of different common motor shafts, including the 3mm D-shafts on our micro metal gearmotors and mini plastic gearmotors and the 4mm D-shafts on our 20D metal gearmotors and 25D metal gearmotors. The wheels are 80 mm in diameter with 10 mm wide silicone tires, and they are available in black or white.

Four different collet inserts are included per wheel, allowing the wheel to work with four different shaft types: 3mm D, 3mm round, 4mm D, and 4mm round. The collet inserts slide easily onto their intended shafts and then clamp down as they are compressed into the wheel disc, resulting in a fit that is much tighter than can be achieved with similar press-fit wheels. The combined thickness of the collet and collet plate is approximately 6 mm, so we recommend you use this wheel with motors that have shafts that are at least 7.5 mm long. See the dimension diagram (384k pdf) for more information.

This product is a pair of black 80×10mm wheels, and it consists of two sets of the following parts:

silicone tire
black ABS wheel disc
four black ABS collet inserts:
- collet for 3mm D-shafts
- collet for 3mm round shafts
- collet for 4mm D-shafts
- collet for 4mm round shafts
threaded metal collet plate
three 7mm-long M3 screws

Dimensions