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Metal V-belt pulley with two grooves, 4.95 inch outer diameter, 1-1/8 inch fixed bore

Tb Wood'S

Tb Wood'S 2BK52118 4.95 in OD 2 Groove V-Belt Pulley 1-1/8 in Fixed Bore

SKU CH-7KN3-7SS0X

Two-groove V-belt pulley with 4.95 in OD and 1-1/8 in fixed bore for A, AX, B, BX belts

  • Compatible with A, AX, B, BX belt sections
  • 2 in pitch diameter for A/AX belts
  • 6 in pitch diameter for B/BX belts
  • 1-1/8 in fixed bore for secure shaft fit
  • Manufactured under ISO 9001:2015 certified processes

2-Groove V-Belt Pulley for Fixed Bore Shafts

This Tb Wood'S pulley mounts on a 1-1/8 in fixed bore and carries two grooves for A, AX, B or BX belts. The outside diameter measures 4.95 in and the unit is manufactured under ISO 9001:2015 certification. It suits maintenance crews and OEM builders who need a direct replacement on existing drive lines.

Upgrades from single-groove or worn pulleys

A single-groove sheave cannot transmit the same torque, and a worn groove accelerates belt wear and slip. The jump is worth it when the current pulley shows groove deformation, fretting on the bore or when the drive design calls for dual belts to share load. The fixed bore eliminates the need for a separate bushing.

Check shaft diameter and belt section before

Verify that the driven shaft measures exactly 1-1/8 in and that the keyway matches the pulley bore. Confirm the belts in use are A, AX, B or BX section; the pitch diameters are 4.2 in for A and AX and 4.6 in for B and BX. Ensure the centre distance and alignment allow both grooves to engage fully.

Highlights

  • Compatible with A, AX, B, BX belt sections
  • 2 in pitch diameter for A/AX belts
  • 6 in pitch diameter for B/BX belts
  • 1-1/8 in fixed bore for secure shaft fit
  • Manufactured under ISO 9001:2015 certified processes

Specifications

No published specifications for this item yet.

Questions about this item

What shaft size fits the 1-1/8 in fixed bore on this pulley?

The pulley has a fixed bore of 1-1/8 in, so it mounts directly onto a 1-1/8 in diameter shaft without bushings.

How is the pulley secured to the shaft and what step is often missed?

Tighten the set screws against the shaft keyway; the step often missed is aligning the key before locking the screws.

Which belts match the 4.2 in and 4.6 in pitch diameters listed for this pulley?

The 4.2 in pitch suits A, AX and 4L belts; the 4.6 in pitch suits B, BX and 5L belts.

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