Free-wheeling mechanisms and backstops
Forces are transmitted in the direction of rotation and decoupling is enabled in the opposite direction.
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Our quality brands
AL and ALP
Types AL and ALP are roller type freewheels. They are designed as bearing-supported basic units with two series 160... ball bearings.
AL..F2D2 and AL..F4D2
The AL..F2D2/F4D2 types are sealed, ready-to-install roller freewheels supported by two series 160.. ball bearings.
AL..G
The AL..G is a bearing-supported roller type freewheel that is contained within a housing. Oil lubrication is absolutely essential.
AL..KEED2
The AL..KEED2 is a sealed, ready-to-install roller type freewheel that is supported by two series 160.. ball bearings and comes pre-filled with oil lubrication.
AL..KMSD2
The AL..KMSD2 self-contained freewheel is a sealed, ready-to-install roller type freewheel that is supported by two series 160.. ball bearings.
ALP..F7D7 and ALMP..F7D7
The ALP..F7D7 is a sealed, ready-to-install roller type freewheel that is supported by two series 160.. ball bearings.
AV
The AV is a roller type freewheel with plain bearings that is suitable for low rotational speeds. Despite its small size, it is still capable of transmitting high torques.
BC MA
Type BC MA is a sealed, ready-to-install roller type freewheel supported by bearings that requires oil lubrication.
CEUS
Type CEUS from the CECON product group is a bearing-supported roller type freewheel that is contained within a housing.
FS, FSO and HPI
Types FS, FSO and HPI are sprag type freewheels that are sealed and supplied ready to install. They are supported by bearings and are either oil or grease lubricated.
GFR and GFRN
Types GFR and GFRN are roller type freewheels. They are supplied as bearing-supported basic units with two series 160... ball bearings.
RDBR-E
Type RDBR-E backstops are mainly used on the drive shafts of conveyors, mixing drum drives or chain conveyors when torque limiting, load distribution or a release function is required.
RSBW
Type RSBW is a sprag type freewheel with plain bearings that is suitable for low rotational speeds. This freewheel delivers a high level of torque in a small installation space.
SMZ
Type SMZ is a ready-to-install sprag type freewheel that is sealed and equipped with two series 60..ZZ bearings.
AS roller type freewheel without bearings
Type AS is a roller type freewheel without bearings. It is extremely important to ensure that the freewheel is supported, lubricated and sealed correctly, as these functions are not provided by the freewheel itself.
ASNU roller type freewheel without bearings
Type ASNU is a roller type freewheel without bearings. It is crucial to ensure that the freewheel is supported, lubricated and sealed correctly, as these functions are not provided by the freewheel itself.
DC sprag type freewheel cage
The DC is a sprag type freewheel cage without inner and outer race. It is installed between two concentric raceways or rings, which must be supported relative to each other.
DC races for DC sprag cages
The DC races are specially designed for use with DC sprag cages.
NF roller type freewheel without bearings
Type NF is a roller type freewheel without bearings. It is important to ensure proper mounting, lubrication, and sealing of the freewheel, as these functions are not provided by the freewheel itself.
NFR bearing-supported roller type freewheel
Type NFR is a bearing-supported roller type freewheel that is supplied without any sealing. Sealing and lubrication must be provided separately. In this regard, the use of oil lubrication is recommended.
S200 sprag type freewheel without bearings
Type S200 is a sprag type freewheel without bearings, the sprags of which run directly on the shaft fitted by the user. Bearings, lubrication and sealing must be taken into account when designing the machine.
RDBK
Type RDBK is based on the RSCI centrifugal lift-off freewheel but is also equipped with a frictional torque limiter.
RIZ and RINZ
Types RIZ and RINZ are centrifugal lift-off sprag type freewheels with an inner race that moves during rotation.
RIZ..ELG2
The RIZ..ELG2 is a special kind of centrifugal lift-off sprag type freewheel with an inner race that moves during rotation.
RIZ..ESG2
The RIZ..ESG2 is a centrifugal lift-off sprag type freewheel with an inner race that moves during rotation.
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Stieber Freiläufe und Rücklaufsperren Katalog DE
Overrunning Clutches and Backstops