Machined from C360 brass or optional C464 Naval brass, Stafford Brass Shaft Collars come in 1- and 2-piece styles with stainless steel fasteners as well as set-screw and hinged styles. These products, offering alternative to 304 and 316 stainless steel products, are designed for secure hold and come in 6 standard sizes from ½–1 ½ in. ID for commercial, industrial, and military applications. Modifications – keyways, square and hex bores, grooves, and other treatments – are available. Read More
Used to join or align 2 shafts within motor or mechanical system, ReliaMark rigid couplings are manufactured in SAE 1008 mild steel and come in 60+ sizes with ¼–1 ½ in. bore. Products include solid set-screw, one-piece (single-split), and 2-piece (double-split) couplings. All feature black oxide finish and socket head cap screws. Effective on hard and soft shafts, couplings offer bore tolerances of +.001/.003. Read More
Designed for use with dual fluid lines, DPC Series offers intuitive, simultaneous connections and disconnections with one thumb latch. These ¼ in. flow couplings, offered in acetal thermoplastic, are available in valved and non-valved hose barb configurations and keyed to ensure correct directional flow. Other features of this quick disconnect coupling series include integral terminations and valve and latching mechanism.
Offering lubrication-free service, SKF Disc Couplings have capacity range up to 178 kNm and come in variety of configurations, including single disc, double disc, and spacer for both horizontal and vertical mounting. Units consist of 2 hubs and laminated stainless steel disc pack secured by series of fitted bolts retained by nylon insert lock nuts. Single disc couplings accommodate angular offset, while double disc pack units with spacer will allow for angular, parallel, or combined offset. Read More
Available in 1-, 2-, and 3-piece styles with straight-through bores or stepped bores for joining different size shafts, Stafford Heavy Duty Rigid Couplings are constructed to carry heavy torque loads in large equipment and process systems. Available with or without keyways, couplings come in ¾–6 in. ID sizes and are made from steel and stainless steel. Products can also be manufactured from other alloys and modified to customer specification. Read More
Available in ½–2 in. in die cast zinc and 2 ½–4 in. in zinc plated steel, Mighty-Merge® EMT to FMC/Greenfield transition couplings provide dimensional flexibility when transitioning between raceways. Design negates need for contractors to assemble multiple fittings or mount box to transition between raceways. While EMT to FMC fittings (½–2 in.) are cULus Listed, EMT/Rigid to FMC fittings (2 ½–4 in.) are cETLus Listed. Read More
Available in 10 sizes made of nodular cast iron, Flender N-Bipex Couplings feature optimized cam and elastomer geometry. Elastomers are available in 3 different shore hardnesses, and allow couplings to be used across temperature range of -50 to +100°C without compromising nominal torque. Adjacent cam ring made of high-grade polyurethane has facility for sufficient load dependent deformation, while remaining in designated position under all conditions, resulting in minimized wear. Read More
Designed for use in main spindle shaft on CNC machining centers, ALS-SGN features taper-lock hubs; design ensures concentricity and rotational balance during operation up to 22,000 rpm. High-torque elastomer center element absorbs resonance and mitigates conductive heat while providing over 22,000 Nm/rad torsional stiffness, and aerodynamic profile decreases noise while optimizing performance at high speeds. Max transmittable torque is 597 lb-ft, and ambient operating range is -40 to +248°F. Read More
Available for metric-sized polypropylene pipe systems, including Aquatherm Blue Pipe® and Green Pipe®, Klo-Shure Insulation Couplings create vapor barrier at clamping points on insulated tube/pipe runs. Units allow for sections of insulation to be secured without having to remove clamp assembly while also maintaining integrity of insulation. USA-made couplings are UL 25/50 flame- and smoke-rated. Read More
Suited for heavy-duty applications, RfN 5571 Series is equipped with shrink discs and can be integrated into machines without any heating or cooling. High torque units are slip fit and come with either hexagon-head or hexagon socket-head cap screws. With backlash-free shaft-hub connections and elimination of additional components such as keyways or shims, couplings are suitable for mining applications, general gearbox designs, and plant manufacturing. Read More
Available in ANSI 1018 steel and weldable stainless steel, Stafford Weldable Shaft Collars and Couplings let users add such diverse mechanical and structural components as brackets, cams, lever arms, mounts, pins, and rods. Stafford Weldable Shaft Collars and Flange Mounts, available in 1- and 2-piece as well as hinged styles, come in ¼–6 in. bore sizes, while Weldable Shaft Couplings come in ¼–2 in. bore sizes. Read More
Designed for quickly connecting and disconnecting rotary unions from fluid transfer lines without tools, TorqueSafe™ is rated for up to 20 lb-ft of torque with operating pressures to 150 psig and temperatures up to 375°F. Coupling features full-flow passage, one-hand disengagement, and locking mechanism to ensure safe connections are made. With connection sizes ranging from 3/8 to 1 ½ in., coupling is constructed of stainless steel for corrosion resistance. Read More
Baldor-Dodge® Para-Flex® QD (PXQD) coupling features QD flange design that complements Taper-Lock and bored-to-size style flanges. Sizes PX50 through PX200 offer torque ratings up to 82,500 lb-in., and bore capacity of PXQD flanges let end-users downsize coupling selections. QD bushing design allows installation and removal with minimal shaft damage. When used with Para-Flex element, complete Para-Flex couplings provide misalignment capabilities to prevent damage to connected equipment. Read More
Step-Flex™ Coupling eliminates resonance in stepper motor ball screw assemblies. Two-part elastomer element combination dampens vibration caused by actuator carrier trying to find its home position. Hard element being separated from aluminum alloy hubs by softer elastomer maintains sufficient torsional stiffness for precise positional accuracy while allowing minimal angular and parallel misalignment. Power-transmitting element also reduces counter force generated by misalignment.
Combined with high-pressure braided hose, 6W Couplings eliminate leaks and in-field failures caused by shock and vibration, making them suited for hydraulic systems in oil, construction, mining, and off-road equipment industries. One-piece, bite-the-wire crimp couplings are available in 1 ¼, 1 ½, and 2 in. sizes and are designed to work with SAE R13 and 4SH hydraulic hose. Units withstand pressures up to 6,000 psi and operate in temperatures ranging from -40 to 250°F. Read More
Designed with composite flex elements that are non-conductive, Zero-Max CD® Couplings provide electrical insulation while protecting mechanical components from system overloads. Composite discs withstand all types of environmental elements, including temperature extremes from -40 to +70°C, as well as moisture and chemicals. Available in single and double flex models with clamp style hubs, zero backlash couplings offer torque capacities from 40–1,436 Nm with speed ratings from 4,400–17,000 rpm. Read More
Sub-Sea Coupling Solutions comprise coupling/fitting connections and configurations engineered to address challenges posed by sub-sea environment. Secure, repeatable connections and redundant sealing promote sustained performance. Depending on selection, standard sizes of fittings/coupling range from ¼–1 in. ID. Also available, 520N hydraulic hose features compact OD for facilitated routing and accelerated response. Read More
Providing self-centering, radial face tooth connection, Hirth Serrations enable users to connect shafts, discs, wheels, and cranks with accuracy. Lightweight units enable wear-free transmission of high torques at small dimensions. Dynamic forces are retained even after repeated assembly. Available in sizes from 50–900 mm in diameter, rings have less rotating mass compared to flange connections. Custom-made models are available with max serration diameter of 1,500 mm. Read More
Quick Clamp No-Ledge delivers machined tolerance joint, ensuring proper alignment and creating ledge-free interior environment on connection points. This reduces instances where friction and crevices catch product and cause fines. Designed for food and light industry conveying of fragile materials or materials requiring sanitary conditions, coupling offers recessed O-ring gasket that delivers smooth transition through positive sealing metal-to-metal joint.
Intended for cooling applications requiring multiple connect and disconnect cycles, LQ6 Series features non-spill shutoff valves that allow disconnection from cooling line, even under pressure, without any spills/drips. Valve design provides redundant sealing when connected for added protection against leaks, while color-coding of chrome with blue or red provides instant visual difference between cooling lines. Construction is of chrome-plated brass, polysulfone, and stainless steel. Read More