Manufacturer of Linear Motion SystemsManufacturer of Linear Motion Systems
4215 Pleasant Rd
Fort Mill, SC 29708

Customer Service

800-284-9784

Manufacturer of Linear Motion SystemsManufacturer of Linear Motion Systems

Shaft Coupling Products



Shaft coupling (Reli-A-Flex) are used to connect two shafts together at their ends for the purpose of transmitting motion   These differ from power transmission couplings in that they are specifically designed for motion control applications where very smooth motion along with high torsional stiffness is required.   Many hours of testing and analysis resulted in a design that provides the best balance between zero backlash, torsional stiffness and low bearing load.   This product handles angular, parallel, and axial offset better than most competing products.   We have the World's Smallest Standard Production Coupling in our product range.

RCSA Shaft Coupling

RCSA Shaft Coupling

Reli-A-Flex Shaft Coupling Features

  • Bore diameters: 1.0 to 12.0 mm with OD ranging from 6 mm to 25 mm
  • Excellent for servo or stepper motor motion control applications
  • Zero Backlash, High Reliability, High Torque Capacity, One Piece Construction
  • Good Misalignment Capability, Excellent Torsional Stiffness, High Accuracy
  • Couplings chambered for ease of assembly and fitted with stainless steel screws
  • Material: High Grade Aluminum Alloy


You can find pricing for the most commonly ordered shaft couplings by visiting our online store.