Ringfeder Power Transmission is the international leader in niche markets for drive and damping technology. Under the strong brand, Ringfeder® offers users worldwide outstanding shaft-hub connections, damping solutions and coupling systems for the highest functionality and durability requirements in a wide variety of industries.
Locking Assemblies
Simple and quick assembly and disassembly, complete freedom from maintenance and wear, absolutely backlash-free power transmission: Ringfeder® Locking Assemblies are friction-locked shaft-hub connections manufactured to the highest quality standards. They are suitable for the precise fastening of all types of hubs, e.g. toothed gears, running wheels and chain sprockets, levers, cam discs, belt and brake discs, slip-on gears, couplings or flanges, on shafts and axles. Compared to external clamping connections, e.g. shrink discs, locking assemblies are installed between shaft and hub. By tightening the clamping screws, inner and outer rings press themselves onto the contact surfaces of the components to be connected, thus creating a friction-fit press connection. This allows not only the highest torques but also axial and radial as well as bending loads to be transmitted reliably. RINGFEDER® Locking Assemblies are the superior alternative to conventional shrink-fits, wedge, keyway or polygonal connections and offer outstanding concentricity and resistance to alternating torsion. Our locking assemblies are available to users in various standard designs and sizes as well as customised special solutions.
Shrink Disks:
The high-quality original from the world market leader: Ringfeder® Shrink Discs are flange-shaped, friction-locked shaft-hub connections and the more powerful and reliable alternative to conventional shrink fits, wedge, keyway or polygonal connections. In contrast to internal locking devices, e.g. locking assemblies, the pressure is applied from the outside to the hollow shaft or hub, thus creating an absolutely backlash-free, frictionally engaged connection between shaft and hub. The shrink disc is therefore not in the load path – instead, the torque is transmitted in a force-locking manner at the joining surface between shaft and hub without an intermediate element. Ringfeder® Shrink Discs also convince through complete freedom from wear and maintenance, easy assembly and dismantling as well as outstanding resistance to alternating torsion and concentricity properties. Depending on customer-specific requirements, our shrink discs are available in proven standard and specially developed special variants, in two- and three-part designs as well as in stainless steel. In addition to torque and bending loads, axial and radial loads can also be transmitted.
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RINGFEDER SHRINK DISC, HEAVY DUTY SERIES, ID = 500MM, OD = 850MM, IDENTITY NUMBER = XX, RFN 4181 500-850
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RINGFEDER SHRINK DISC, HEAVY DUTY SERIES, ID = 520MM, OD = 850MM, IDENTITY NUMBER = XX, RFN 4181 520-850
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RINGFEDER SHRINK DISC, HEAVY DUTY SERIES, ID = 530MM, OD = 850MM, IDENTITY NUMBER = XX, RFN 4181 530-850
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RINGFEDER SHRINK DISC, HEAVY DUTY SERIES, ID = 540MM, OD = 910MM, IDENTITY NUMBER = XX, RFN 4181 540-910
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RINGFEDER SHRINK DISC, HEAVY DUTY SERIES, ID = 560MM, OD = 940MM, IDENTITY NUMBER = XX, RFN 4181 560-940
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RINGFEDER SHRINK DISC, HEAVY DUTY SERIES, ID = 580MM, OD = 960MM, IDENTITY NUMBER = XX, RFN 4181 580-960
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RINGFEDER SHRINK DISC, HEAVY DUTY SERIES, ID = 590MM, OD = 960MM, IDENTITY NUMBER = XX, RFN 4181 590-960
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RINGFEDER SHRINK DISC, HEAVY DUTY SERIES, ID = 620MM, OD = 970MM, IDENTITY NUMBER = XX, RFN 4181 620-970
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RINGFEDER SHRINK DISC, HEAVY DUTY SERIES, ID = 640MM, OD = 1040MM, IDENTITY NUMBER = XX, RFN 4181 640-1040
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RINGFEDER SHRINK DISC, HEAVY DUTY SERIES, ID = 660MM, OD = 1040MM, IDENTITY NUMBER = XX, RFN 4181 660-1040
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RINGFEDER SHRINK DISC, HEAVY DUTY SERIES, ID = 700MM, OD = 1140MM, IDENTITY NUMBER = XX, RFN 4181 700-1140
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RINGFEDER SHRINK DISC, HEAVY DUTY SERIES, ID = 750MM, OD = 1150MM, IDENTITY NUMBER = XX, RFN 4181 750-1150
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RINGFEDER SHRINK DISC, HEAVY DUTY SERIES, ID = 800MM, OD = 1230MM, IDENTITY NUMBER = XX, RFN 4181 800-1230
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 14MM, OD = 37MM, IDENTITY NUMBER = 16991264, RFN 4061 14-37 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 16MM, OD = 41MM, IDENTITY NUMBER = 16991265, RFN 4061 16-41 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 18MM, OD = 44MM, IDENTITY NUMBER = 16991553, RFN 4061 18-44 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 20MM, OD = 46MM, IDENTITY NUMBER = 16992000, RFN 4061 20-46 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 21MM, OD = 50MM, IDENTITY NUMBER = 16991223, RFN 4061 21-50 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 24MM, OD = 50MM, IDENTITY NUMBER = 16991092, RFN 4061 24-50 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 30MM, OD = 60MM, IDENTITY NUMBER = 16991348, RFN 4061 30-60 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 36MM, OD = 72MM, IDENTITY NUMBER = 16991094, RFN 4061 36-72 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 38MM, OD = 72MM, IDENTITY NUMBER = 16991224, RFN 4061 38-72 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 40MM, OD = 72MM, IDENTITY NUMBER = 16991225, RFN 4061 40-72 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 44MM, OD = 80MM, IDENTITY NUMBER = 16991095, RFN 4061 44-80 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 48MM, OD = 80MM, IDENTITY NUMBER = 16991226, RFN 4061 48-80 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 50MM, OD = 90MM, IDENTITY NUMBER = 16991096, RFN 4061 50-90 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 55MM, OD = 100MM, IDENTITY NUMBER = 16991999, RFN 4061 55-100 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 62MM, OD = 110MM, IDENTITY NUMBER = 16991099, RFN 4061 62-110 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 68MM, OD = 115MM, IDENTITY NUMBER = 16991100, RFN 4061 68-115 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 75MM, OD = 138MM, IDENTITY NUMBER = 16991101, RFN 4061 75-138 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 80MM, OD = 145MM, IDENTITY NUMBER = 16991102, RFN 4061 80-145 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 85MM, OD = 155MM, IDENTITY NUMBER = 16991349, RFN 4061 85-155 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 90MM, OD = 155MM, IDENTITY NUMBER = 16991828, RFN 4061 90-155 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 95MM, OD = 170MM, IDENTITY NUMBER = 16991998, RFN 4061 95-170 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 100MM, OD = 170MM, IDENTITY NUMBER = 16991997, RFN 4061 100-170 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 110MM, OD = 185MM, IDENTITY NUMBER = 16991103, RFN 4061 110-185 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 115MM, OD = 185MM, IDENTITY NUMBER = 16991227, RFN 4061 115-185 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 125MM, OD = 215MM, IDENTITY NUMBER = 16991996, RFN 4061 125-215 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 140MM, OD = 230MM, IDENTITY NUMBER = 16991350, RFN 4061 140-230 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 165MM, OD = 290MM, IDENTITY NUMBER = 16991995, RFN 4061 165-290 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 185MM, OD = 330MM, IDENTITY NUMBER = 16991230, RFN 4061 185-330 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 195MM, OD = 350MM, IDENTITY NUMBER = 16991994, RFN 4061 195-350 SST
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RINGFEDER SHRINK DISC, STANDARD SERIES, STAINLESS STEEL, ID = 200MM, OD = 350MM, IDENTITY NUMBER = 16991992, RFN 4061 200-350 SST
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RINGFEDER SMART LOCK SET, SMART LOCK SERIES, ID = 44MM, OD = 25MM, IDENTITY NUMBER = XX, RFN 4001 44-25
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RINGFEDER SMART LOCK SET, SMART LOCK SERIES, ID = 44MM, OD = 28MM, IDENTITY NUMBER = XX, RFN 4001 44-28
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RINGFEDER SMART LOCK SET, SMART LOCK SERIES, ID = 44MM, OD = 30MM, IDENTITY NUMBER = XX, RFN 4001 44-30
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RINGFEDER SMART LOCK SET, SMART LOCK SERIES, ID = 44MM, OD = 32MM, IDENTITY NUMBER = XX, RFN 4001 44-32
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RINGFEDER SMART LOCK SET, SMART LOCK SERIES, ID = 44MM, OD = 36MM, IDENTITY NUMBER = XX, RFN 4001 44-36
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RINGFEDER SMART LOCK SET, SMART LOCK SERIES, ID = 50MM, OD = 36MM, IDENTITY NUMBER = XX, RFN 4001 50-36
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RINGFEDER SMART LOCK SET, SMART LOCK SERIES, ID = 50MM, OD = 30MM, IDENTITY NUMBER = XX, RFN 4001 50-30