5M Riemenscheibe 35-80 Zähne Zahnrad Pulley für 15mm 20mm 25mm Breite Zahnriemen

Roll over image to zoom in Click on image to zoom

5M Riemenscheibe 35-80 Zähne Zahnrad Pulley für 15mm 20mm 25mm Breite Zahnriemen

HomeDIYer

No reviews

By HomeDIYer®

Typen & Anzahl von Zähnen: BF Typ & 5M35 Zähne

Breite der Bohrung: 8/3*1.4 mm

Breite des Gürtels & Anzahl: 16mm & 1 Stück

Price:

$14.95 USD

Stock:

In stock (500 units), ready to be shipped

Quantity:

Share this product

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

DIY Expert Support

Get fitment advice & recommendations

Mon–Fri 8:30 AM – 8:00 PM

WhatsApp Email Us

24-Hour Fast Ship

Arrives in 3–14 Days

Worldwide Shipping

30-Day Returns

1 tree planted with every purchase

5M Timing Belt Pulley — Precision BF-Type Toothed Drive Wheel for 5M Belts

When your motion system demands slip-free synchronization and repeatable positioning, a mismatched or worn pulley becomes the weakest link. Engineers, robotics builders, and CNC hobbyists working with 5M pitch timing belts need a toothed pulley that fits precisely, seats securely, and holds alignment under load. These 5M BF-type pulleys are designed for exactly that application.

Each pulley is machined from aluminum alloy with a black anodized finish, featuring a flanged BF-type hub for lateral belt retention. Tooth counts range from 35 to 80 teeth, with belt widths of 16 mm (0.63 in), 21 mm (0.83 in), and 27 mm (1.06 in). Bore diameters span 8 mm to 40 mm, with keyway and set-screw configurations matched to the bore size — for example, 8 mm bore uses a 3×1.4 mm keyway, while 25 mm bore uses an 8×3.3 mm keyway.

Typical use cases include 3D printer extruder and axis drives requiring 5M belt compatibility, CNC router and laser cutter feed-axis pulleys where tooth count determines step resolution, and robotics joint actuators or conveyor drives where synchronous motion is critical.

⚙️ Compatibility: Designed for 5M pitch (5 mm tooth pitch) synchronous timing belts. Belt width must match the selected pulley width (16 mm, 21 mm, or 27 mm). Verify bore diameter and keyway dimensions against your shaft before ordering.

✅ Key Features of These 5M BF-Type Timing Belt Pulleys

🦷

Wide Tooth Count Range

Available in 35, 48, 52, 55, 65, 70, and 80 teeth — covering a broad gear-ratio spectrum for speed reduction or torque multiplication in 5M belt drive systems.

📐

Multiple Bore Sizes with Keyways

Bore options from 8 mm to 40 mm, each paired with a matched keyway and set-screw specification (e.g., 3×1.4 mm for small bores, 8×3.3 mm for larger bores) for secure shaft engagement.

🔩

BF Flanged Hub Design

The BF-type flanged profile keeps the timing belt centered on the pulley face, reducing lateral drift and preventing belt walk-off during continuous operation.

🏗️

Three Belt Width Options

Choose 16 mm, 21 mm, or 27 mm belt width to match your existing drive belt, balancing load capacity and system envelope constraints.

⚖️

Aluminum Alloy Construction

Lightweight aluminum alloy body reduces rotational inertia compared to steel alternatives, improving dynamic response in servo and stepper motor applications.

🔄

Synchronous Drive Accuracy

Precision-cut 5M tooth profile ensures zero-slip engagement with 5M timing belts, maintaining positional accuracy in CNC, robotics, and automated conveyor applications.

📐 Technical Specifications — 5M Timing Belt Pulley

Belt Pitch	5M (5 mm tooth pitch)
Pulley Type	BF (Flanged)
Tooth Count Options	35, 48, 52, 55, 65, 70, 80 teeth
Belt Width Options	16 mm / 21 mm / 27 mm
Bore Diameter Range	8 mm – 40 mm (see variant options)
Keyway Specification	See variant options (3×1.4 mm to 12×3.3 mm depending on bore)
Material	Aluminum alloy
Finish	Black anodized
Outer Diameter (approx.)	See variant options
Quantity per Order	1 piece

❓ Frequently Asked Questions

How do I choose the right tooth count for my application?

Tooth count determines the pulley's pitch diameter and, combined with your motor pulley tooth count, sets the drive ratio. More teeth = larger diameter = higher belt speed at the same RPM. For CNC axes, match the tooth count to your desired steps-per-mm calculation. For general drives, select based on the speed ratio you need between driver and driven shafts.

Which bore size should I select for my shaft?

Select the bore diameter that matches your shaft diameter exactly. Each bore option also specifies a keyway dimension (e.g., 14/5×2.3 mm means 14 mm bore with a 5×2.3 mm keyway). Confirm both the bore diameter and keyway size against your shaft and key stock before ordering. If your shaft has no keyway, a set-screw-only bore may be suitable — contact us to confirm availability.

What belt width must I use with each pulley width option?

The pulley belt width (16 mm, 21 mm, or 27 mm) must match your timing belt width. Using a narrower belt on a wider pulley reduces load capacity; using a wider belt on a narrower pulley risks belt edge damage and misalignment. Always match pulley width to belt width exactly.

Are these pulleys compatible with all 5M timing belts?

Yes — these pulleys are designed for the standard 5M pitch (5 mm tooth pitch) timing belt profile, which is widely used in open-loop and closed-loop drive systems. They are compatible with 5M belts from major belt manufacturers as long as the belt width matches the selected pulley width.

How strong is the aluminum construction for my load?

Aluminum alloy pulleys are well-suited for light-to-medium duty applications such as 3D printers, CNC routers, laser cutters, and small robotics joints. For heavy industrial loads or high-shock environments, verify that the aluminum alloy rating meets your torque and radial load requirements. Contact us to confirm suitability for your specific load conditions.

Will the anodized finish resist corrosion in my environment?

Black anodizing provides a hard oxide layer that resists mild corrosion, abrasion, and oxidation in typical indoor mechanical environments. It is not rated for immersion in corrosive liquids or prolonged outdoor exposure to salt spray. For harsh environments, consider additional protective measures or contact us for material alternatives.

Can I use these pulleys as idler pulleys without a shaft key?

These are drive pulleys designed to be fixed to a shaft via keyway and set screw. They can function as idler pulleys if mounted on a bearing-supported shaft, but they are not supplied with bearings. If you need a bearing-integrated idler pulley, please browse our idler pulley category or contact us for guidance.

🛒 Select your tooth count, bore size, and belt width above, then add to cart.