Regal Rexnord
Motor Accessories
Regal Rexnord motor accessories comprise the complete ecosystem of components that support, protect, control, and optimize the performance of electric motors in industrial, commercial, and OEM applications.From adjustable motor bases and sheaves to start / run capacitors, centrifugal switches, conduit boxes, shaft grounding rings, and encoder mounting kits, our accessory line ensures that every motor installation can be completed with certified, compatibility - verified components sourced from a single supplier.Plant electricians, motor repair shops, and OEM assembly teams select Regal Rexnord motor accessories to eliminate the uncertainty and rework caused by generic components that may not match the electrical characteristics, mechanical dimensions, or environmental ratings of the motor.Under the Marathon, LEESON, and Hub City brands, we provide the accessory solutions that simplify motor installation, protect the motor investment, and enable the sensing and control integration that modern automated equipment requires.
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Adjustable Motor Bases for Quick Belt Tensioning
Precision - machined, heavy - duty sliding bases that enable rapid belt tension adjustment and motor alignment without the shimming and levering required with fixed bases.
Start & Run Capacitors with Exact Electrical Matching
Capacitors selected to match the specific motor winding characteristics, ensuring correct phase shift and torque production — eliminating the premature motor failure caused by incorrect capacitor substitution.
Shaft Grounding Rings for VFD Bearing Protection
Rings that divert common - mode shaft currents safely to ground, preventing the electrical bearing fluting and pitting that is the leading cause of VFD - driven motor bearing failure.
Encoder & Feedback Mounting Kits
Precision mounting brackets, shaft couplings, and protective enclosures for adding incremental encoders, resolvers, and Hall - effect sensors to standard motors for closed - loop positioning applications.
Conduit Boxes, Gaskets & Hardware
Stock and custom - sized terminal boxes with the correct NEMA environmental rating, gaskets, and terminal strips for field wiring — eliminating the weatherproofing compromises of generic fittings.
Motor Space Heaters & Thermal Protection
Anti - condensation space heaters for motors in humid standby conditions, and embedded thermistor / thermostat kits for thermal - overload protection integration.
Protecting Motors on Variable Frequency Drives
VFD operation subjects motors to voltage stresses and current phenomena not present on sine - wave power — high dv / dt voltage spikes, common - mode shaft voltages, and circulating bearing currents.Regal Rexnord motor accessories address these challenges directly.dv / dt filters and line reactors reduce the voltage spike magnitude at the motor terminals, protecting winding insulation.Shaft grounding rings provide a low - impedance path for common - mode currents, diverting them from motor bearings.Insulated bearing housings(for larger motors) break the circulating - current path entirely.Our VFD motor protection kits bundle these components in a single part number matched to the motor frame and horsepower, simplifying the specification and procurement of a complete VFD - compatibility package.For plants converting fixed - speed motors to VFD control, these accessories can make the difference between years of reliable operation and repeated bearing failures.
Motor Installation & Alignment Accessories
Correct motor installation and alignment directly determine the service life of both the motor and the driven equipment.Regal Rexnord offers the alignment tools and mounting components that enable fast, accurate motor setups.Laser alignment systems and dial - indicator kits with magnetic bases provide the measurement precision required for high - speed and close - coupled machinery.Pre - cut shim packs in stainless steel and polymer materials allow precise vertical and angular adjustment without the time - consuming hand - cutting of shims.Vibration - isolation pads and spring mounts reduce structure - borne noise and protect building structures from machinery vibration.Together, these installation accessories enable maintenance teams to achieve and document the alignment quality that maximizes bearing life, reduces energy consumption, and minimizes unplanned downtime.