Main Menu


Request A Quote Contact Us

Your browser is out of date.

You are currently using Internet Explorer 7/8/9, which is not supported by our site. For the best experience, please use one of the latest browsers.

Case Study: Pulley Assembly for Paper Transport System

AST goes beyond supplying standard bearings, providing precision mechanical sub-assemblies. We specialize in assemblies that incorporate precision bearings and components manufactured to the most exacting specifications.

One example was a request to provide a customer with a low-cost, maintenance-free assembly for long life in a harsh paper dust environment. The solution: a ready-to-install pulley assembly, which incorporates two chrome ABEC 3 bearings with PTFE seals in an anodized aluminum with a stainless steel shaft.

Assembly Details:

  • Bearings: Two chrome ball bearings, ABEC-3 precision with PTFE seals
  • Shaft: stainless steel
  • Housing: Anodized aluminum


AST can conduct design reviews and provide assemblies manufactured to your specifications. Our highly skilled technicians know the correct way to handle and install bearings, and can provide you with a more reliable assembly at a significant cost savings.

AST Mechanical Sub-Assembly Capabilities

  • Tight tolerance machining, castings, injection molding
  • Component materials: metals (various alloys) and plastics
  • Specialty materials and lubricants
  • Protective Coatings
  • Commercial or super-precision bearings with precise quantities of lubrication

AST Mechanical Sub-Assembly Services

  • Bearing engineering expertise (CAD drawings provided upon request)
  • Contract assembly
  • Class 100 and Class 10,000 assembly and test environments
  • Product inspection and testing
  • World-class bearing laboratory
  • Low-cost sourcing

Let AST quote your next mechanical assembly requirement.