Cast Iron 2 Groove V Belt Sheave Pulley Gear With 1 Inch Bore And 12.30 Inch Outside Diameter, 12.5 Inch Length, Includes Two Hex Set Screws And Keyway 1 Quarter Inch By 1 Eighth Inch For 3L And 4L Belts

Two-Groove Cast Iron Pulley: 1" Bore, 12.30" OD
✔️ 1" bore, 12.30" OD, 2 grooves, cast iron pulley

This two-groove cast iron pulley is built for belt-drive systems, featuring a 1" bore and a 12.30" outer diameter. Pack is a single pulley, designed to fit standard 2-groove V-belt configurations for machines that need reliable dual-groove power transfer.

✅ Outside diameter: 12.30 in (312.4 mm)
✅ Bore: 1.00 in (25.4 mm); through bore length 1.1563 in (29.4 mm)
✅ Belt section: 3L/4L; two grooves for dual-belt drive
✅ Material & fittings: cast iron; includes keyway 1/4" x 1/8" and two hex set screws

💡 What is a handy question about belt drive pulleys?

💡 In plain terms, a two-groove pulley helps transfer drive to two belts from one shaft while keeping alignment tight and load handling predictable.

- What is a two-groove pulley best used for in a belt drive setup - How does cast iron construction affect durability and wear in pulley wheels - Why choose a pulley with a 1" bore and 12.30" outer diameter for a dual-belt system - How to verify fitment with keyway size and mounting screws for a safe installation