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Advantages of Urethane Belt Idlers and Drive Pulleys

  
  • Molded-in bearings extend belt life. Our molded-in bearings are more precise than pressed-in bearings. Pressed-in bearings may slip from side to side by as much as 1/16", meaning adjacent idlers can be out of line by 1/8". The resulting misalignment can cause premature belt wear. Our bearings do not slip and are designed to have superior T.I.R. (+/- .010" max.). True-running idlers extend belt life.
  • Rugged. Our idlers are used in the hostile environment experienced by commercial lawn mowers where high speeds (3600 rpm) and high temperatures (170°F) far exceed stresses encountered in most conveyors. Even under such severe conditions, our molded-in bearings will not separate from the fiberglass-reinforced nylon rim.
  • Higher Quality and Lower Prices. The production of molded-in bearings requires fewer steps. This facilitates automation, improves quality, and reduces costs. Consequently, our prices are very competitive.
    Materials
      
    High-grade nylon sheaves are reinforced with fiberglass. Standard bearings are imported # 6203-2RS that are rated A.B.E.C.-1 precision and have radial seals. U.S. made bearings are also available. Bore adapters are sintered powered metal. Bearing grease is Chevron SRI-2 or the equivalent, which has an operating temperature range of -20° to 350° F, complies with Mil-Spec MILG3545G, and passes ASTM D 1743-73 rust test with 5% synthetic sea water.



  • Radial Load Ratings for
    Standard Pulleys
    Based on a 1500 hour L10 life.

    RPM Maximum (lbs.)
    32 1,600
    100 1,140
    300 790
    600 630
    1,200 500
    1,500 465
    1,800 436
    2,400 395
    3,600 345
    5,000 310
    7,200 275
    10,000 245
    12,500 230
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