Welcome to Associated Wire Rope & Rigging .

8125 Saran Drive Playa del Rey, CA 90293
Mon - Sat 10.00 - 18.00
Get Free Quote
Call Us +1 310 448 544

Sheaves

Sheave API Licensed

This specialized document highlights Ropeblock’s API sheaves, licensed under API Spec 8C-0305. These sheaves are designed for improved efficiency, durability, and safety in oilfield and heavy industrial applications. The data covers a standard diameter range from 24 to 82 inches and wire sizes from 9/16″ to 3″. Key features described include a weldless design, a minimum groove hardness of 35 HRC, and tapered rolling bearings selected specifically for high-load fatigue performance.

Request Pricing & Availability
Download PDF

Engineered for Improved Efficiency, Durability & Safety

Developed from extensive experience across various blocks and lifting applications, API Sheaves are engineered to provide an unrivalled weight-to-fatigue performance ratio. These sheaves feature a weldless design with smooth transitions, manufactured and material-treated with the highest degree of care to ensure reliability in critical operations.

Maximum Safety Features
  • API Spec 8C-0305 Licensed: Fully licensed and manufactured to meet rigorous API 8C specifications.
  • Superior Surface Hardness: Precision-machined with a minimum groove hardness of 35 HRC to reduce wear and extend wire rope life.
  • Expertly Balanced: Every sheave is balanced to ensure smooth rotation and reduce vibration during high-speed operations.
  • High-Performance Bearings: Equipped with tapered rolling bearings, with sizes specifically selected to fit the unique requirements of the application.
Industrial Flexibility
  • Extensive Diameter Range: Standard sheave outside diameters available from 26″ to 82″.
  • Versatile Wire Compatibility: Standard wire size range from 9/16″ to 3″ to accommodate various rigging needs.
  • Advanced Corrosion Protection: Available finishes comply with C5-MM, C5-MH (ISO 12944), or NORSOK system 1 for extreme environments.
  • Custom Engineering: Beyond standard lists, custom-made designs are available to optimize for specific line pulls, fleet angles, and shaft requirements.

API Sheave Technical Specifications

Below is a partial specification table. Please contact our technical team for full dimensions, verification of line pull and fleet angles, and WLL requirements based on your specific application and certification needs.

⚠ Safety Warning: Always adhere to the recommended Working Load Limit (WLL) and ensure the sheave is used within the specified wire size range. Refer to the comprehensive safety documentation on pages 136-199 for detailed installation and maintenance procedures.