Shaft-Hub Locking Devices:

Shaft-hub locking devices frictionally clamp gears, pulleys, flywheels, and other components to a shaft without the need for threads or keys.
Shaft-Hub Locking Devices: Learn more

Product Name Notes
ECOLOC Locking Devices/Assemblies -- 7005 3-piece, self-centering, slitted Locking Assemblies for highest bending moments and torques. During assembly a minor axial displacement of the hub occurs. The front and rear thrust rings are separately released...
RINGFEDER Shrink Discs -- RfN 4051-SR Light Duty Series Half/Split Reduced dimensions with lower transmission values – especially for applications with restricted space. As a split version, the SR series is able to offer greater mounting versatility on symmetrical hub...
RINGFEDER Shrink Discs -- RfN 4051 Light Duty Series Reduced dimensions with lower transmission values – especially for applications with restricted space. This light duty external locking device is the first in the Shrink Disc range and is useful...
RINGFEDER Shrink Discs -- RfN 4023 Heavy Duty Series Simplified manufacture – only plain shaft and bore diameters with easily achieved surface finish and tolerances are required. Heavy duty series for high torque and bending moment. Easy adjustability -...
RINGFEDER Shrink Discs -- RfN 4012 Light Duty Series Simplified manufacture – only plain shaft and bore diameters with easily achieved surface finish and tolerances are required. Light duty series for torque transmission. Easy adjustability - Easy mounting -...
RINGFEDER Shrink Discs -- RfN 4022 Standard Series Simplified manufacture – only plain shaft and bore diameters with easily achieved surface finish and tolerances are required. Easy adjustability - Easy mounting - Easy removal - Low susceptibility to...
RINGFEDER Shrink Discs Standard Series stainless steel -- RfN 4061 Stainless steel series – for applications where corrosion resistance and high transmissible torque is required. This new design of Shrink Disc is made from stainless steel forged rings and uses...
RINGFEDER Shrink Discs -- RfN 4161 Standard Series Standard series – this range is the most popular, being used in most applications. High transmission values are possible, and by varying the screw tightening torque the Shrink disc can...
RINGFEDER Shrink Discs -- RfN 4061 Standard Series Standard series – this range is the most popular, being used in most applications. This new design of Shrink Disc is made from high alloy forged rings and is practically...
RINGFEDER Locking Assemblies for Bending Loads -- RfN 7012 Typical belt drum application The bending moment acting on the hub/shaft connection is the main load to evaluate in a belt drum or similar application. Excessive bending moments can cause...
RINGFEDER Locking Elements Stainless Steel -- RfN 8006 slit Applications requiring service in rust proof environments. Characteristics Customized application – by varying the number of Locking Elements, size and quantity of clamping screws, the connection can be adapted to...
RINGFEDER Locking Assemblies for Bending Loads -- RfN 7515 Especially for the bending moment transmission designed 3 part Locking Assembly with reduced stresses in the Locking Assembly itself.
RINGFEDER Locking Assembly -- RfN 7515 Especially for the bending moment transmission designed 3 part Locking Assembly with reduced stresses in the Locking Assembly itself. Characteristics Precision Locking Assembly for transmission of torques, axial forces and...
ECOLOC Locking Devices/Assemblies -- 7004 Extended version of the 7003 allowing for use with smaller hub diameters due to the reduced shaft and hub pressures.
RINGFEDER Smart-Lock Set -- RfN 4001 Flexible, cost-saving, easy to maintain: Smart-Lock-Set is the new Shaft/Hollow Shaft connection from RINGFEDER®. Cylindrical Bushings allow the attachment of hollow shaft gear reducers and other hollow shaft connections to...
RINGFEDER Locking Assemblies for Bending Loads -- RfN 7015
RINGFEDER Locking Assembly -- RfN 7015
For superb centering and high torque transmission, this dual tapered device reflects the best in RINGFEDER engineering expertise. This style is in two types; 7015.0 for general engineering applications and...
RINGFEDER Shrink Discs -- RfN 4091 Heavy Duty Series Highest transmission values – for heavy duty applications. Simplified manufacture. Characteristics Shrink discs are the modern method for creating a mechanical shrink fit. The shrink disc consists of either one...
RINGFEDER Stainless Steel Locking Assembly -- RfN 7012 Stainless Steel Identical in design and function to the traditional 7012 device, this unit is made of stainless steel for applications requiring rust free installation. Torque capacity is somewhat reduced due to...
ECOLOC Locking Devices/Assemblies -- 7007 Is a modification of 7004 ECOLOC with all its positive features, but here - same as 7006 ECOLOC - the axial displacement during mounting is averted.
RINGFEDER Locking Elements Stainless Steel -- RfN 8006 Solid Like the carbon steel version, these units are for applications requiring rust proof shaft-hub connections. Characteristics Customized application – by varying the number of Locking Elements, size and quantity of...
RINGFEDER Locking Elements -- RfN 8006 Solid Locking Elements consist of an internal and external tapered ring. When axial force is exerted on a set of Locking Elements, radial clamping pressures are generated on the shaft and...
RINGFEDER Shrink Discs -- RfN 4073 Mini Series Mini series – this range is a very compact design with low inertia values. It is ideally suited for mechanical seal and small gearbox applications. Characteristics Shrink discs are the...
RINGFEDER Locking Assemblies With Central Lock Nut -- RfN 7070
RINGFEDER Locking Assemblies With Central Lock Nut -- RfN 7075
Precise axial and radial positioning of the components. Easy to connect and to release – no seizures along the shaft. Perfect for engaged connections. Excellent concentricity and radial run. Characteristics...
RINGFEDER Stainless Steel Locking Assembly -- RfN 7061 Stainless Steel Self-centering 2-piece Locking Assem­blies for medium torques. During mounting, minor axial displacement of the hub occurs in opposite direction of the screw head. Due to the small number of screws,...
ECOLOC Locking Devices/Assemblies -- 7003 Self-centering, 2-piece low-cost Locking Assemblies, which can be used - due to the slit - also at larger tolerances. The hub slightly positions during mounting towards the screw head. For...
ECOLOC Locking Devices/Assemblies -- 7110 Specially small dimensioned self-centering Locking Assembly without axial displacement. As the locking screws are located out of the actual clamping area and the pressures are relatively low, the hub can...
RINGFEDER Stainless Steel Locking Assembly -- RfN 7110 Stainless Steel Specially small dimensioned self-centering Locking Assembly without axial displacement. As the locking srews are located out of the actual clamping area and the pressures are relatively low, the hub can...
RINGFEDER Shrink Discs -- RfN 4091-SR Heavy Duty Series Half/Split Split design heavy duty version can also be used as Half Shrink Discs. Characteristics Shrink discs are the modern method for creating a mechanical shrink fit. The shrink disc consists...
RINGFEDER Shrink Discs -- RfN 4071 SR Standard Series Half/Split Split design medium duty version can also be used as Half Shrink Discs. Shrink discs GT (split) In the application shown special screws according to the dimension X are required,...
RINGFEDER Shrink Discs -- RfN 4071 Standard Series Standard series – this range is the most popular, being used in most applications. Characteristics Shrink discs are the modern method for creating a mechanical shrink fit. The shrink disc...
RINGFEDER Shrink Discs -- RfN 4061 Standard Series Half/Split Standard series – this range is the most popular, being used in most applications. Shrink discs GT (split) In the application shown special screws according to the dimension X are...
RINGFEDER Locking Assembly -- RfN 7012 The original RINGFEDER® Locking Assemblies featuring double-tapered thrust rings with self-releasing tapers. They bridge relatively large fit clearances, are easy to install, adjust or remove, but are not self-centering. A...
RINGFEDER Locking Elements -- RfN 8006 slit The slit versions are useful in applications requiring the bridging of bigger tolerances and/or higher torques. Stacking of the Elements is not recommended. Characteristics Customized application – by varying the...
RINGFEDER Locking Assembly -- RfN 7013.1 These flange type units fix the hub positively against their extended flange preventing axial movement during tightening. Applied wherever self-centering action and good concentricity of mounted components are essential and...
RINGFEDER Locking Assembly -- RfN 7013 These Locking Assemblies are of single-taper design with a self-locking taper providing good self-centering action and concentricity, as well as increased torque capacity. A pre-centering hub section is not required.
RINGFEDER Locking Assembly -- RfN 7014 This locking device, dual tapered similar the 7012 type, is designed to transmit extremely high torques. Unlike the 7012 style, the 7014 device offers good centering ability due to it’s...
ECOLOC Locking Devices/Assemblies -- 7061 This two piece self centering design is cost-efficient for medium torque applications. During mounting, slight axial displacement of the hub occurs. Available in very small sizes.
RINGFEDER Locking Assemblies for Bending Loads -- RfN 7015.1 This version of the RfN 7015 is designed for high bending load applications such as conveyor pulleys, by providing lower shaft and hub pressures.
RINGFEDER Locking Assembly -- RfN 7015.1 This version of the RfN 7015 is designed for high bending load applications such as conveyor pulleys, by providing lower shaft and hub pressures. Characteristics Locking Assembly for transmission of...
RINGFEDER Shrink Discs -- RfN 4181 Heavy Duty Series Two part shrink heavy duty series – with additional guide me‑ chanism for the inner ring. For the transmission of maximum torques. Characteristics Shrink discs are the modern method for...
ECOLOC Locking Devices/Assemblies -- 7006 Two piece design with single taper has flange to position the component on the shaft to maintain axial position during mounting. Has all positive features of series 7003 ECOLOC. However,...
RINGFEDER Locking Assemblies for Bending Loads -- RfN 7012.2 The new Locking Assembly series RINGFEDER® RfN 7012.2 is specially designed to fulfil the requirements of constantly increasing bending moments for conveyor pullies. The challenge was to develop a...