Provide long life under demanding conditions. They are installed with standard 1/2″ or 5/8″ bolts. Applications include agricultural, power transmission and material handling equipment. Aetna round 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.
- Over-size, factory packed lubricant chamber assures maximum life and operating efficiency without troublesome relubrication
- Case hardened to resist belt abrasion
- 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