Roller backstop RDBR-E series
bearing

roller backstop
roller backstop
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Characteristics

Technology
roller
Construction
bearing
Torque

Max.: 330 Nm
(243.3955 ft.lb)

Min.: 50 Nm
(36.8781 ft.lb)

Diameter

Max.: 500 mm
(19.69 in)

Min.: 280 mm
(11.02 in)

Rotational speed

Max.: 170 rpm
(1,068.14 rad.min-1)

Min.: 100 rpm
(628.32 rad.min-1)

Description

Backstops type RDBR-E are directly mounted on the drive shaft, e.g. of heavy duty conveyer belts, mixing drum drives and chain conveyors, when torque limiting / load sharing or the release function is required. RDBR-E features a roller type backstop design with a fully bearing supported multidisc brake for the torque limiting function. The optional release function allows the tension of a jammed belt to be controlled released. Once the brake is fully opened, the capability of an unlimited rolling backwards makes maintenance safe and easy. To activate the release function, a simple hydraulic hand pump or power pack can be used. A mechanical release is available on request. Backstops RDBR-E are self contained and oil lubricated. A special sealing arrangement with grease packed labyrinth seal guarantees highest reliability under harsh conditions. The recommended shaft fit is H7/f6. The torque arm must not be rigidly fixed to the foundation. For security reasons a stopper in overrunning direction is recommended. When installed, the backstop must be axially secured.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.