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 LOCKING ELEMENT, SLIT, ID = 140MM, OD = 158MM, IDENTITY NUMBER = 1999672, WEIGHT = 2.007 LBS, RFN 8006 140-158 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 150MM, OD = 168MM, IDENTITY NUMBER = 1999680, WEIGHT = 2.132 LBS, RFN 8006 150-168 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 160MM, OD = 178MM, IDENTITY NUMBER = 1999699, WEIGHT = 2.256 LBS, RFN 8006 160-178 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 170MM, OD = 191MM, IDENTITY NUMBER = 1999702, WEIGHT = 3.308 LBS, RFN 8006 170-191 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 180MM, OD = 201MM, IDENTITY NUMBER = 1999710, WEIGHT = 3.484 LBS, RFN 8006 180-201 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 190MM, OD = 211MM, IDENTITY NUMBER = 1999729, WEIGHT = 3.704 LBS, RFN 8006 190-211 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 200MM, OD = 224MM, IDENTITY NUMBER = 1999737, WEIGHT = 5.116 LBS, RFN 8006 200-224 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 210MM, OD = 234MM, IDENTITY NUMBER = 5995850, WEIGHT = 5.402 LBS, RFN 8006 210-234 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 220MM, OD = 244MM, IDENTITY NUMBER = 5995329, WEIGHT = 5.49 LBS, RFN 8006 220-244 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 230MM, OD = 257MM, IDENTITY NUMBER = 6995527, WEIGHT = 7.453 LBS, RFN 8006 230-257 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 240MM, OD = 267MM, IDENTITY NUMBER = 5995337, WEIGHT = 7.762 LBS, RFN 8006 240-267 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 250MM, OD = 280MM, IDENTITY NUMBER = 5995345, WEIGHT = 10.319 LBS, RFN 8006 250-280 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 260MM, OD = 290MM, IDENTITY NUMBER = 14990782, WEIGHT = 10.628 LBS, RFN 8006 260-290 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 270MM, OD = 300MM, IDENTITY NUMBER = 14994305, WEIGHT = 10.893 LBS, RFN 8006 270-300 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 280MM, OD = 313MM, IDENTITY NUMBER = 5995892, WEIGHT = 13.825 LBS, RFN 8006 280-313 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 290MM, OD = 323MM, IDENTITY NUMBER = 5995906, WEIGHT = 14.333 LBS, RFN 8006 290-323 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 300MM, OD = 333MM, IDENTITY NUMBER = 5995914, WEIGHT = 14.862 LBS, RFN 8006 300-333 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 320MM, OD = 360MM, IDENTITY NUMBER = 12995849, WEIGHT = 24.035 LBS, RFN 8006 320-360 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 340MM, OD = 380MM, IDENTITY NUMBER = 12991010, WEIGHT = 25.358 LBS, RFN 8006 340-380 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 360MM, OD = 400MM, IDENTITY NUMBER = 14991339, WEIGHT = 26.901 LBS, RFN 8006 360-400 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 380MM, OD = 420MM, IDENTITY NUMBER = 14991340, WEIGHT = 28.224 LBS, RFN 8006 380-420 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 400MM, OD = 440MM, IDENTITY NUMBER = 6996043, WEIGHT = 29.768 LBS, RFN 8006 400-440 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 420MM, OD = 460MM, IDENTITY NUMBER = 14991347, WEIGHT = 31.091 LBS, RFN 8006 420-460 G
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RINGFEDER LOCKING ELEMENT, SLIT, ID = 440MM, OD = 480MM, IDENTITY NUMBER = 14991348, WEIGHT = 32.414 LBS, RFN 8006 440-480 G
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RINGFEDER LOCKING ELEMENT, ID = 0.25", OD = 0.375", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-250 0.25-0.375
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RINGFEDER LOCKING ELEMENT, ID = 0.3125", OD = 0.4375", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-312 0.3125-0.4375
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RINGFEDER LOCKING ELEMENT, ID = 0.375", OD = 0.5", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-375 0.375-0.5
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RINGFEDER LOCKING ELEMENT, ID = 0.4375", OD = 0.5937", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-437 0.4375-0.5937
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RINGFEDER LOCKING ELEMENT, ID = 0.5", OD = 0.6562", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-500 0.5-0.6562
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RINGFEDER LOCKING ELEMENT, ID = 0.5625", OD = 0.75", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-562 0.5625-0.75
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RINGFEDER LOCKING ELEMENT, ID = 0.625", OD = 0.8125", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-625 0.625-0.8125
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RINGFEDER LOCKING ELEMENT, ID = 0.6875", OD = 0.875", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-687 0.6875-0.875
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RINGFEDER LOCKING ELEMENT, ID = 0.75", OD = 0.9375", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-750 0.75-0.9375
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RINGFEDER LOCKING ELEMENT, ID = 0.8125", OD = 1.0312", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-812 0.8125-1.0312
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RINGFEDER LOCKING ELEMENT, ID = 0.875", OD = 1.0937", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-875 0.875-1.0937
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RINGFEDER LOCKING ELEMENT, ID = 0.9375", OD = 1.1875", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-937 0.9375-1.1875
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RINGFEDER LOCKING ELEMENT, ID = 1", OD = 1.25", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-1000 1-1.25
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RINGFEDER LOCKING ELEMENT, ID = 1.125", OD = 1.406", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-1125 1.125-1.406
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RINGFEDER LOCKING ELEMENT, ID = 1.25", OD = 1.531", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-1250 1.25-1.531
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RINGFEDER LOCKING ELEMENT, ID = 1.375", OD = 1.687", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-1375 1.375-1.687
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RINGFEDER LOCKING ELEMENT, ID = 1.5", OD = 1.812", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-1500 1.5-1.812
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RINGFEDER LOCKING ELEMENT, ID = 1.625", OD = 1.968", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-1625 1.625-1.968
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RINGFEDER LOCKING ELEMENT, ID = 1.75", OD = 2.125", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-1750 1.75-2.125
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RINGFEDER LOCKING ELEMENT, ID = 1.875", OD = 2.25", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-1875 1.875-2.25
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RINGFEDER LOCKING ELEMENT, ID = 2", OD = 2.406", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-2000 2-2.406
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RINGFEDER LOCKING ELEMENT, ID = 2.25", OD = 2.656", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-2250 2.25-2.656
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RINGFEDER LOCKING ELEMENT, ID = 2.4375", OD = 2.843", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-2437 2.4375-2.843
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RINGFEDER LOCKING ELEMENT, ID = 2.5", OD = 2.906", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-2500 2.5-2.906
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RINGFEDER LOCKING ELEMENT, ID = 2.6875", OD = 3.093", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-2687 2.6875-3.093
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RINGFEDER LOCKING ELEMENT, ID = 2.75", OD = 3.156", IDENTITY NUMBER = NA, WEIGHT = XX, GSA-2750 2.75-3.156