Professional Window Roller Manufacturer in China | SZ WindowRoller

Sliding Gate Roller for African Greenhouse,116# U Groove Sliding Roller

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Model 116 Carbon Steel Bearing Grooved PulleyThis pulley is stamped from carbon steel with galvanized anti-rust surface, built-in bearing for smooth silent sliding. U-shaped grooved wheel fits round tubes, steel wires and small circular rails without derailment. Compact size with dual mounting holes for easy installation on sliding doors, windows and light-duty moving frames.


Total length: 59mmHole spacing: 45mmBracket height: 17.5mmBracket width: 11.6mmWheel thickness: 6mm


  1. Climate compatibility: Dry and hot inland regions (Kenya, Nigeria inland, Ethiopia, Ghana, Uganda) have low persistent rainfall. The galvanized layer effectively prevents rust for long-term indoor & dry outdoor use.

  2. Cost-effective: Affordable carbon steel material fits local low-to-medium purchasing power, a mainstream hardware choice for local construction.


    • Civil housing: Aluminum sliding windows, iron sheet sliding doors, wardrobe sliding tracks

    • Agriculture: Greenhouse sunshade rails, livestock shed sliding gates

    • Shops & workshops: Glass sliding shop doors, light material moving trolleys

  3. Robust structure: Thick stamped bracket resists deformation under rough local installation.


  4. Coastal areas (West Africa coastline, South Africa coast, Madagascar): Salty sea mist and long rainy seasons speed up galvanized layer corrosion if exposed outdoors year-round.Solution: Advise customers to apply anti-rust oil regularly; offer 304 stainless steel pulley as upgraded alternative.

  5. Tropical rainforest regions (Congo, Cameroon): Year-round high humidity causes fast rusting for outdoor unprotected installation. Indoor use only is recommended.


  6. Prioritize this carbon steel pulley for inland dry countries with optimal cost performance.

  7. Mark usage notice on product page: "Suitable for indoor & dry outdoor use; regular anti-rust maintenance required for rainy coastal areas". Provide stainless steel version as upgrade option.

  8. Sell matched anti-rust lubricant as add-on package to solve local rust problem.