Industrial Cast Iron Pin Bush Coupling (4"" to 50"")

Product Details

We offer a comprehensive size range of pin-bush couplings in both cast iron and cast steel construction, covering the following nominal shaft diameter sizes: 3″, 4″, 5″, 6″, 7″, 8″, 9″, 10″, 12″, 13″, 14″, 15″, 16″, 18″, 20″, 22″, 24″, 25″, 28″, 30″, 32″, 36″, 40″, 42″, 45″, 50″, 52″, 55″, 60″, 65″, 70″, 75″, 80″, 85″, 90″, 95″, 100″, 110″, 115″, 125″ (inches diameter).Each size variant is built with hubs in high-grade cast iron (or optionally cast steel for extra heavy duty), precision bored and keyed for shaft mounting, with replaceable steel pins and resilient bushes (rubber/urethane) to deliver flexibility and long service life. Size (Ø in Inches)Torque Range (Nm)Material Options 3 – 6 500 – 8,000 Cast Iron / Steel 7 – 10 5,000 – 35,000 Cast Iron / Steel 12 – 16 25,000 – 130,000 Cast Iron / Steel 18 – 25 100,000 – 400,000 Cast Iron / Steel 28 – 36 320,000 – 1,000,000 Cast Iron / Steel 40 – 50 800,000 – 1,200,000 Cast Steel Only 52 – 125 Up to 1,200,000 Cast Steel Only Typical Applications Pin-bush couplings are broadly used across heavy-industrial applications, such as: Pumps, compressors, blowers in oil & gas, chemical and petrochemical plants Conveyor drives, bucket elevators, crushers, rotary kilns in cement and mining industries  Steel-plant drives, rolling mills, slewing gear systems, hoisting equipment Power generation (drives for fans, alternators, cooling towers) General mechanical engineering: gear boxes, mixers, heavy machine tools, large shafts requiring flexible coupling with torque capacity. Key Features of Jobwurx Pin Bush Couplings Material Excellence: Available in high-grade cast iron pin bush couplings for cost-effective strength and cast steel pin bush couplings for extreme load-bearing in harsh conditions. Flexible Design: Incorporates resilient rubber bushes to absorb shocks, vibrations, and minor misalignments, ensuring smooth operation and extended equipment life. Easy Maintenance: Simple pin-and-bush assembly allows quick replacement without dismantling connected shafts – a hallmark of low-maintenance industrial couplings. Torque Mastery: Capable of transmitting up to 1,200,000 Nm (highest recorded for 125" diameter models in heavy-duty applications), based on industry benchmarks from global engineering standards (sourced from Fenner Drives and Lovejoy Couplings data). Perfect for high-power setups! Customization Options: Tailored bores, lengths, and bush hardness (Shore A 60-90) to suit your specific requirements. "pin bush coupling", "pin & bush coupling", "cast iron pin bush coupling", "cast steel pin bush coupling", "high torque pin bush coupling", "flexible pin bush coupling", "heavy duty pin bush coupling", "industrial transmission coupling", "shaft coupling pin bush", "coupling for pumps conveyors crushers", "pin bush coupling sizes up to 125 inch".