V-BELT IDLER

Provide long life under demanding conditions. They are installed with standard 1/2″ or 5/8″ bolts. Applications include agricultural, power transmission equipment, and conveyor systems. Aetna V-belt idlers are generally used as tensioners or direction changers. Permanently lubricated and sealed against grime and dirt. Fit into existing designs with little or no engineering changes, or are readily adapted to new designs.

Advantages

  • Over-size, factory packed lubricant chamber assures maximum life and operating efficiency without troublesome relubrication
  • Case hardened to resist belt abrasion
  • Available for most common V-belt sizes
  • Bearing races are hardened to resist wear, outers and inners are accurately formed for smooth running
  • Aetna's self-contouring, free-running, self-wiping seal provides positive contact under all conditions of misalignment
  • Full ball complement for high durability

Product Specifications

V-Belt Idlers

Dimensions In Inches

PART
NUMBER
A B C D BELT SIZE F G H WEIGHT
LBS
AG2321 .643/.649 1-3/16 2-1/4 3-1/4 A 7/8 .144 .750 .75
AG2321-A .516/.522 1-3/16 2-1/4 3-1/4 A 7/8 .144 .750 .78
AG2421 .643/.649 7/8 3-7/32 4-13/32 B 31/32 .144 .927 .98
AG2421-A .516/.522 7/8 3-7/32 4-13/32 B 31/32 .144 .927 1.01
AG2421-FJJ .516/.522 7/8 3-7/32 4-1/8 B 13/16 .144 .927 .98
AG3421* .643/.649 7/8 3-7/32 4-13/32 B 31/32 .190 .927 1.23
AG3421-A* .516/.522 7/8 3-7/32 4-13/32 B 31/32 .190 .927 1.25
AG2621 .643/.649 7/8 3-13/16 5-3/4 A, B,and C 1-5/32 .190 .927 1.52
AG2621-A .516/.522 7/8 3-13/16 5-3/4 A, B,and C 1-5/32 .190 .927 1.55
AG2721 .643/.649 7/8 5-7/32 7 B and C 1-5/32 .190 .927 2.00
AG2721-A .516/.522 7/8 5-7/32 7 B and C 1-5/32 .190 .927 2.03
AG3721* .643/.649 7/8 5-7/32 7 B and C 1-3/16 .190 .927 2.59
AG3721-A* .516/.522 7/8 5-7/32 7 B and C 1-3/16 .190 .927 2.62

*Heavy gauge steel

Drawing

v-belt-idler-drawing

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FLANGED BELT IDLERSTRAIGHT BELT IDLER