Fastening device for traction mechanism drive, comprises swivel arm, roller unit carried by swivel arm, and antifriction bearing that forms component of roller unit

摘要

The fastening device comprises a swivel arm (2), a roller unit carried by the swivel arm, an antifriction bearing (1) that forms a component of the roller unit, and an inner bearing ring (3). An outer bearing ring (4) is provided, which has a rolling body (5) that is received in an antifriction bearing interior defined between the two bearing rings. A case structure (11) is provided, which is inserted into the inner bearing ring.