Stieber Clutch Self-Contained Freewheels BC MA

Type BC MA is a roller-type backstop, bearing supported and self-contained. Standard lubrication is oil.

This type is designed to be mounted on the drive pulley shaft of large inclined conveyors. It is capable of working in the harsh environment of mine sites. The unit is symmetrical and can be mounted for desired free shaft rotation. The torque arm is a single “I“ beam section attached to the backstop with two precision ground torque arm pins. This dramatically simplifies field installation. The arm may be placed up, down, or at any angle, providing uniform loading on both cover plates. The preferred horizontal position reduces bearing loading for a longer bearing life. The shaft fit should be f6 or f7. The clutch elements and ball bearings are continuously self-lubricated in a sealed oil chamber.

The sealed package consists of the following:

• Double-lip oil seals outside the bearings to keep oil in and dirt out.

• Relubricable grease pocket and all metal graphited labyrinth grease seal.

Check the Self-Contained Freewheels BC MA Catalog to select the best model for your application.

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