Iron Casting V-Groove Drive Pulley For B-Section V-Belt Pulleys OD 60mm-150mm
Iron Casting V-Groove Drive Pulley For B-Section V-Belt Pulleys OD 60mm-150mm
Iron Casting V-Groove Drive Pulley For B-Section V-Belt Pulleys OD 60mm-150mm
Iron Casting V-Groove Drive Pulley For B-Section V-Belt Pulleys OD 60mm-150mm
Iron Casting V-Groove Drive Pulley For B-Section V-Belt Pulleys OD 60mm-150mm
Iron Casting V-Groove Drive Pulley For B-Section V-Belt Pulleys OD 60mm-150mm
Iron Casting V-Groove Drive Pulley For B-Section V-Belt Pulleys OD 60mm-150mm
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Iron Casting V-Groove Drive Pulley For B-Section V-Belt Pulleys OD 60mm-150mmIron Casting V-Groove Drive Pulley For B-Section V-Belt Pulleys OD 60mm-150mmIron Casting V-Groove Drive Pulley For B-Section V-Belt Pulleys OD 60mm-150mmIron Casting V-Groove Drive Pulley For B-Section V-Belt Pulleys OD 60mm-150mmIron Casting V-Groove Drive Pulley For B-Section V-Belt Pulleys OD 60mm-150mmIron Casting V-Groove Drive Pulley For B-Section V-Belt Pulleys OD 60mm-150mmIron Casting V-Groove Drive Pulley For B-Section V-Belt Pulleys OD 60mm-150mm

Iron Casting V-Groove Drive Pulley For B-Section V-Belt Pulleys OD 60mm-150mm

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By HomeDIYer®

Price:
$18.07 USD
Stock:
In stock (500 units), ready to be shipped

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Description

Cast Iron V-Groove Drive Pulley for B-Section V-Belts — Reliable Power Transmission for DIY Automation

When your motor mount keeps slipping or your belt drive loses tension mid-run, the culprit is often a pulley that wasn't machined to spec. Hobbyists, workshop builders, and small-scale automation engineers who need a dependable, dimensionally accurate V-groove pulley for B-section belts will find this cast iron drive pulley a straightforward solution.

Each pulley is machined from gray cast iron, offering good rigidity and vibration damping for rotating drive applications. The V-groove profile is sized for standard B-section V-belts (17mm × 11mm cross-section). Outer diameters range from 60mm to 150mm (approximately 2.36" to 5.91"), with bore diameters from 12mm to 35mm (approximately 0.47" to 1.38"). Each variant includes a machined keyway — sized 4×2mm, 5×2.5mm, 6×3mm, 8×3.5mm, or 10×4mm depending on bore — for positive shaft engagement.

Typical use cases include DIY conveyor belt systems requiring a fixed-ratio belt drive, small lathe or bandsaw motor-to-spindle power transmission setups, and educational automation rigs where a compact, keyed V-belt pulley is needed to demonstrate mechanical power transfer.

⚙️ Compatibility: Designed for standard B-section V-belts (17mm × 11mm). Verify your shaft diameter and required keyway size before ordering. Bore range: 12–35mm. OD range: 60–150mm.

✅ Key Features of These Cast Iron V-Belt Drive Pulleys

🔩 Gray Cast Iron Construction

Machined from gray cast iron for solid rigidity, good vibration damping, and durability in continuous-duty belt drive applications.

📐 B-Section V-Groove Profile

Groove geometry matched to standard B-section V-belts (17mm × 11mm), ensuring consistent belt seating and efficient power transfer without slippage.

🎯 Wide OD Range: 60mm–150mm

Ten outer diameter options from 60mm (2.36") to 150mm (5.91") let you dial in the exact drive ratio your project requires.

🔑 Machined Keyway for Positive Shaft Lock

Each bore includes a precision-cut keyway (4×2mm up to 10×4mm depending on bore size) to prevent rotational slippage on the drive shaft.

📏 Multiple Bore Diameters: 12mm–35mm

Fifteen bore size options from 12mm to 35mm accommodate a wide range of motor and shaft diameters common in DIY and light industrial builds.

🏭 Suitable for Light Industrial & Maker Applications

Appropriate for conveyors, lathes, bandsaws, fan drives, and educational automation rigs where a compact, keyed single-groove V-belt pulley is required.

📐 Technical Specifications — Cast Iron V-Belt Pulley

Material Gray Cast Iron
Belt Type B-Section V-Belt
Belt Cross-Section 17mm × 11mm
Groove Type Single V-Groove
Outer Diameter (OD) 60mm / 70mm / 80mm / 90mm / 100mm / 110mm / 120mm / 130mm / 140mm / 150mm
Bore Diameter 12mm – 35mm (See variant options)
Keyway Size See variant options (4×2mm to 10×4mm)
Finish Machined (natural cast iron)
Quantity per Order 1 Piece
Weight See variant options

❓ Frequently Asked Questions

How do I choose the right OD for my drive ratio?

The drive ratio is determined by the ratio of the driven pulley OD to the driver pulley OD. For example, pairing a 60mm driver pulley with a 120mm driven pulley gives a 2:1 reduction. Select your OD based on the speed ratio you need between your motor shaft and the driven shaft.

Which bore size should I choose for my motor shaft?

Measure your motor or drive shaft diameter precisely with calipers. Select the bore that matches your shaft diameter exactly — the keyway provides the positive lock, so the bore-to-shaft fit should be a close sliding fit (H7 tolerance is typical). Available bores range from 12mm to 35mm.

What keyway size comes with each bore?

Keyway size is matched to bore diameter per standard DIN 6885 conventions: 12–14mm bore uses 4×2mm keyway; 15–19mm bore uses 5×2.5mm; 19–22mm bore uses 6×3mm; 24–28mm bore uses 8×3.5mm; 30–35mm bore uses 10×4mm. The exact keyway for each variant is listed in the variant name.

Is cast iron suitable for outdoor or wet environments?

Gray cast iron is not inherently corrosion-resistant. For outdoor or high-humidity environments, apply a protective coating such as paint, oil, or a rust-inhibiting primer after installation. For fully corrosion-resistant applications, consider stainless steel or aluminum pulleys instead.

Can this pulley handle continuous-duty operation?

Yes, cast iron V-belt pulleys are widely used in continuous-duty light industrial applications such as conveyor drives, fan drives, and machine tool spindles. Ensure the pulley is properly aligned with the mating pulley and that belt tension is set correctly to avoid premature wear.

Is this compatible with A-section or C-section V-belts?

No. This pulley is specifically grooved for B-section V-belts (17mm × 11mm cross-section). Using an A-section (13mm × 8mm) or C-section (22mm × 14mm) belt in a B-groove will result in poor belt seating, reduced power transfer efficiency, and accelerated belt wear.

Do I need a set screw or is the keyway sufficient for shaft retention?

The machined keyway provides positive rotational locking when used with a matching key stock on the shaft. For additional axial retention (preventing the pulley from sliding along the shaft), a set screw or shaft collar is recommended. Check whether your application requires axial locking before installation.

🛒 Select your OD and Bore Diameter above, then add to cart.

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