RR-28 Light-Duty Rotary Actuator
  
    Compact, low-profile rotary actuator with preloaded bearings and adjustable hard-stops. Compared to RR-18, RR-28 increases payload and torque while maintaining the same light-duty footprint. Optional rotary manifold and CR configuration available.
    Features per datasheet p.3.
  
  
    
      RR-28 Specifications
      
        
| Specification | Value | 
      
      
        
| Maximum Payload | 1.36 kg [3.0 lb] | 
        
| Maximum Payload Inertia | 0.001255 N·m·s² [0.0111 in-lb·s²] | 
        
| Maximum Rotation | 180° | 
        
| Maximum Torque (mid-stroke @ 100 psi / 7 bar) | 2.5 N·m [22 lb-in] | 
        
| Pitch Diameter of Pinion | 12.7 mm [0.50 in] | 
        
| Weight | 0.65 kg [1.44 lb] | 
        
| Pressure Range | 2–7 bar [30–100 psi] | 
        
| Ingress Protection | IP66 | 
        
| Displacement (180°) | 11.4 cm³ [0.69 in³] | 
        
| Temperature Range (Buna-N) | −35~80 °C [−30~180 °F] | 
        
| Temperature Range (Viton®) | −30~150 °C [−20~300 °F] | 
        
| Actuation Time (180° @ 100 psi) | 0.35 s | 
        
| Actuation Time (90° @ 100 psi) | 0.30 s | 
        
| End-stop Repeatability | ±0.02° | 
        
| End-stop Adjustability | 23° | 
        
| Over-travel (each end) | 8° | 
        
| Valve Required | 4-way, 2-position | 
      
    
   
  Specs from datasheet p.4 (RR-28):contentReference[oaicite:1]{index=1}