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Metal V-belt pulley with three grooves and quick-detachable bushed bore, grey finish

Tb Wood'S

Tb Wood'S 1843B 1/2–2-1/2 in Quick Detachable Bushed 3 Groove v-belt

SKU CH-SCVH-9MECX

Quick-detachable bushed sheave with three grooves accepts 4L, 5L, A, AX, B and BX belts at 18 in or 18.4 in pitch diameters

  • TypeSheaves & Pulleys
  • Quick-detachable bushing enables fast belt changes
  • Three-groove design transmits higher torque loads
  • 18 in pitch diameter fits A and 4L belt profiles
  • 4 in pitch diameter fits B and 5L belt profiles
  • Model 1843B covers 1/2 in to 2-1/2 in bore range

Quick Detachable 3 Groove V-Belt Pulley

The TB Woods 1843B is a new quick detachable bushed pulley with three grooves. It accepts bore sizes from 1/2 inch to 2-1/2 inch using a QD bushing. The unit is designed for power transmission applications requiring V-belt drive compatibility.

Suits drives using A, B, 4L or 5L belt sections

This pulley matches A, AX, B, BX, 4L and 5L belt trade sizes with pitch diameters of 18 or 18.4 inches. It is not intended for 3V, 5V, C or CX belt profiles. Builders needing those sections or a different groove count should select another model.

Mounts with a QD bushing to free shaft space

The quick detachable hub clamps via a separate bushing, allowing fast installation and removal without setscrews. This arrangement clears shaft length for adjacent components and simplifies alignment changes during maintenance. The three grooves support multiple belt drives in a single assembly.

Highlights

  • Quick-detachable bushing enables fast belt changes
  • Three-groove design transmits higher torque loads
  • 18 in pitch diameter fits A and 4L belt profiles
  • 4 in pitch diameter fits B and 5L belt profiles
  • Model 1843B covers 1/2 in to 2-1/2 in bore range

Specifications

TypeSheaves & Pulleys

Questions about this item

What shaft diameter does the 1843B bushing accept?

The quick-detachable bushing fits shafts from 1/2 in to 2-1/2 in.

Will the 1843B pulley match the 18 in and 18.4 in pitch diameters of my existing A and B belts?

Yes, it provides 18 in pitch for A/AX/4L belts and 18.4 in pitch for B/BX/5L belts.

How do I verify the 1843B is seated correctly after installation?

Check that the bushing is fully drawn up, the flange is flush with the hub, and the belts track without wobble at the 18 in and 18.4 in pitch diameters.

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