XB 65mm Outer Diameter x Length 90mm x Inner Diameter Both Side 19mm Flexible Aluminum Alloy Spider Jaw Coupling
Built for precision mechanical transmission, this coupling supports a rated torque of 109 Nm, maximum torque of 218 Nm, and rotational speeds up to 6000 rpm. It also allows 0.02mm radial deviation, 1.0° angular deviation, and +1.00mm axial deviation, making it suitable for robotics, machine tools, motion control systems, and various industrial power transmission applications.
XB 65mm Outer Diameter x Length 90mm x Inner Diameter Both Side 19mm Flexible Aluminum Alloy Spider Jaw Coupling
Available:In Stock
- Product SKU: LGSTM073
₹ 2,299
₹ 2,999
Need Volume Discounts? Deals are specially designed for you. Click here
Need Customization? Provide us more details Click here
🏠
Warehouse Details:
Specification
Description
XB Flexible Aluminum Alloy Spider Jaw Coupling 65mm OD x 90mm Length x 19mm-19mm Bore
The XB Flexible Aluminum Alloy Spider Jaw Coupling is a durable and high-performance shaft coupling designed to connect two 19mm shafts while providing smooth and reliable torque transmission. With a 65mm outer diameter and 90mm total length, this coupling is suitable for motors, encoders, gearboxes, CNC systems, and automation assemblies where stable shaft connection, shock absorption, and vibration reduction are important. Its flexible jaw spider structure helps compensate for slight shaft misalignment during operation.Built for precision mechanical transmission, this coupling supports a rated torque of 109 Nm, maximum torque of 218 Nm, and rotational speeds up to 6000 rpm. It also allows 0.02mm radial deviation, 1.0° angular deviation, and +1.00mm axial deviation, making it suitable for robotics, machine tools, motion control systems, and various industrial power transmission applications.
Features
- Flexible jaw spider design for smooth torque transmission
- 19mm x 19mm bore for equal shaft connection
- Absorbs vibration and mechanical shock during operation
- Compensates for minor radial, angular, and axial misalignment
- Suitable for motors, encoders, and gearbox assemblies
- Compact 65mm diameter body for machinery installations
- Supports rotational speed up to 6000 rpm
- M6 locking screw system for secure shaft fastening
- Suitable for automation, CNC, and precision drive systems
- Product series available in 14mm to 38mm bore options
Drawing

Technical Details
- Series: XB
- Type: Flexible Aluminum Alloy Spider Jaw Coupling
- Outer Diameter (D): 65mm
- Total Length (L): 90mm
- Bore Size: 19mm x 19mm
- Bore Range (d1~d2): 14mm to 38mm
- L1: 35mm
- L2: 15mm
- L3: 11mm
- S: 2mm
- Rated Torque: 109 Nm
- Maximum Torque: 218 Nm
- Maximum Speed: 6000 rpm
- Moment of Inertia: 3.5×10-4 kg·m²
- Static Torsional Stiffness: 2800 Nm/rad
- Radial Deviation: 0.02mm
- Angular Deviation: 1.0°
- Axial Deviation: +1.00mm
- Locking Screw Size: M6
- Locking Torque: 13 Nm
- Weight: 660g
Applications
- DC motor to shaft connection
- Stepper motor coupling systems
- Encoder and gearbox shaft linkage
- Robotics and automation assemblies
- CNC and motion control systems
- DIY machines and mechanical prototypes
- Precision rotary transmission systems
Physical Attributes
- Outer Diameter: 65mm
- Total Length: 90mm
- Bore Diameter: 19mm x 19mm
- Weight: 660g
Package Includes
- 1 × XB Flexible Aluminum Alloy Spider Jaw Coupling 65mm OD x 90mm Length x 19mm-19mm Bore