Actuators & Transmission
Robot joint actuators, smart servos, linear actuators, precision gear reducers and joint encoders from makers in China, Korea, Japan, the US, Europe and Canada.
Build a robot joint actuatorEvery part one joint needs, in one list
Motor, gearbox, driver and encoder in one housing (QDD planetary and harmonic).
81 parts · from $84.23
Zero-backlash harmonic gear units and component sets for robot joints, sizes 11 to 32.
50 parts
Low-backlash planetary gearheads and stages for servo axes and QDD joints.
20 parts · from $140.85
Stiff, shock-tolerant cycloidal and RV reducers for high-load joints.
32 parts · from $460
Output bearings that carry radial, axial and tilting loads in one thin ring.
22 parts · from $9.50
Constant-section ball bearings for compact joints, hands and turntables.
14 parts · from $53.42
Compact permanent-magnet and spring-applied brakes that hold a joint when power is off.
27 parts
Magnetic angle-sensor ICs, breakout boards, on-axis modules and off-axis ring kits for motor-side commutation and joint output position.
90 parts · from $0.86
Non-magnetic rotary encoders for robot joints: optical, inductive, capacitive and electric. Magnetic encoders have their own page.
8 parts · from $36.29
Daisy-chained bus servos with position feedback, plus reference micro servos.
12 parts · from $8.99
Electric rod and lead-screw actuators, from 20 mm micro to industrial cylinders.
5 parts · from $35