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Metal V-belt pulley with single groove, 5/8 inch bore, 4.75 inch diameter

Tb Wood'S

Tb Wood'S BK5058 V-Belt Pulley 5/8 in Bore 4.75 in OD

SKU CH-QHC0-T8EV6

Fixed-bore V-belt pulley with 4.75 in OD and 5/8 in bore for A, AX, B and BX belt profiles

  • Product typeSheaves & Pulleys
  • Fixed 5/8 in bore simplifies shaft mounting
  • 75 in outside diameter fits compact drives
  • Single groove accepts A, AX, B and BX belts
  • ISO 9001:2015 certified manufacturing quality
  • Ready for immediate installation out of the box

Fixed-bore V-belt pulley for light-duty drives

The TB Woods BK5058 is a single-groove sheave with a 5/8 in fixed bore and 4.75 in outside diameter. It mounts directly on a shaft without a bushing for simple installation in compact machinery.

Belt capacity and pitch diameters

The pulley accepts A and AX belts at a 4 in pitch diameter and B and BX belts at a 4.4 in pitch diameter. It also supports 4L belts at 4 in and 5L belts at 4.4 in. Pitch diameters for 3L, 3V, 3VX, 5V, 5VX, C and CX profiles are not applicable.

ISO 9001 manufacturing standard

Production follows ISO 9001:2015 quality management certification for consistent dimensional control. The fixed-bore design limits use to shafts matching the 5/8 in bore exactly.

How it compares

Measured against everything we stock in Bearings, Belts & Drive Components, at today’s prices. Recalculated every night.

Price $16.99
Cheaper than about 69% of the 693 comparable items (median $35.99).

Specifications

Product
Product typeSheaves & Pulleys

Questions about this item

Will the 5/8 in fixed bore on this BK5058 pulley fit the shaft on my existing motor?

The pulley has a 5/8 in fixed bore. Measure your motor shaft diameter; it must match 5/8 in exactly for a proper fit.

How can I verify the 4.75 in OD pulley is tracking correctly after installation?

Run the drive and check that the belt sits flush in the groove without wobble. Confirm the pulley rotates true and the belt shows even wear across its width.

Does the BK5058 come with a keyway, set screws or mounting hardware, or must I buy them separately?

The supplier data lists only the pulley with a 5/8 in fixed bore. Keyway, set screws and any mounting hardware are not included and must be sourced separately.

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