XB 20mm Outer Diameter x Length 30mm x Inner Diameter Both Side 4mm Flexible Aluminum Alloy Spider Jaw Coupling
![XB 20mm Outer Diameter x Length 30mm x Inner Diameter Both Side 4mm Flexible Aluminum Alloy Spider Jaw Coupling]()
![XB 20mm Outer Diameter x Length 30mm x Inner Diameter Both Side 4mm Flexible Aluminum Alloy Spider Jaw Coupling]()
![XB 20mm Outer Diameter x Length 30mm x Inner Diameter Both Side 4mm Flexible Aluminum Alloy Spider Jaw Coupling]()
![XB 20mm Outer Diameter x Length 30mm x Inner Diameter Both Side 4mm Flexible Aluminum Alloy Spider Jaw Coupling]()
![XB 20mm Outer Diameter x Length 30mm x Inner Diameter Both Side 4mm Flexible Aluminum Alloy Spider Jaw Coupling]()
![XB 20mm Outer Diameter x Length 30mm x Inner Diameter Both Side 4mm Flexible Aluminum Alloy Spider Jaw Coupling]()
![XB 20mm Outer Diameter x Length 30mm x Inner Diameter Both Side 4mm Flexible Aluminum Alloy Spider Jaw Coupling]()
![XB 20mm Outer Diameter x Length 30mm x Inner Diameter Both Side 4mm Flexible Aluminum Alloy Spider Jaw Coupling]()
Made from high-quality aluminum alloy, this flexible spider jaw coupling helps absorb vibration, reduce shock, and compensate for slight shaft misalignment. The XB 20 × 30 mm series is available in a 4mm to 10mm bore range, but this particular variant comes with d1 = 4mm and d2 = 4mm. It is a practical choice for compact transmission systems requiring smooth rotation, dependable performance, and high-speed operation.
![precision lightweight gear for mini machines]()
![small dc motor gear for transmission models]()
-28%
XB 20mm Outer Diameter x Length 30mm x Inner Diameter Both Side 4mm Flexible Aluminum Alloy Spider Jaw Coupling
Available:In Stock
- Product SKU: LGSTM065
₹ 359
₹ 499
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Specification
Description
XB Flexible Aluminum Alloy Spider Jaw Coupling 20mm OD x 30mm Length x 4mm-4mm Bore
The XB Flexible Aluminum Alloy Spider Jaw Coupling is a compact shaft coupling designed for smooth and reliable torque transmission between two shafts. With a 20mm outer diameter, 30mm total length, and 4mm bore on both sides, this coupling is suitable for motors, encoders, CNC systems, automation equipment, and robotics applications. Its set screw type design provides secure shaft locking and stable mechanical performance during operation.Made from high-quality aluminum alloy, this flexible spider jaw coupling helps absorb vibration, reduce shock, and compensate for slight shaft misalignment. The XB 20 × 30 mm series is available in a 4mm to 10mm bore range, but this particular variant comes with d1 = 4mm and d2 = 4mm. It is a practical choice for compact transmission systems requiring smooth rotation, dependable performance, and high-speed operation.
Features
- Flexible spider jaw design for smooth torque transmission
- Made from durable aluminum alloy
- 20mm outer diameter and 30mm total length
- 4mm bore on both sides for shaft connection
- Set screw type with M3 locking screw
- Helps absorb vibration and reduce mechanical shock
- Compensates for slight radial, angular, and axial misalignment
- Suitable for high-speed systems up to 17000 rpm
- Compact and lightweight design for precision applications
- Product series available in 4mm to 10mm bore options
- In this variant, d1 = 4mm and d2 = 4mm
Drawing
Technical Details
- Series: XB
- Model Size: 20 × 30 mm
- Item Type: Flexible Spider Jaw Coupling
- Material: Aluminum Alloy
- Outer Diameter D: 20mm
- Total Length L: 30mm
- d1 Bore: 4mm
- d2 Bore: 4mm
- Bore Range (d1~d2): 4~10 mm
- L1: 10 mm
- L2: 8 mm
- L3: 5 mm
- S: 1 mm
- Rated Torque: 2.8 Nm
- Maximum Torque: 5.6 Nm
- Maximum Speed: 17000 rpm
- Moment of Inertia: 1.0×10-6 kg·m²
- Static Torsional Stiffness: 55 Nm/rad
- Allowable Radial Deviation: 0.02 mm
- Allowable Angular Deviation: 1.0°
- Allowable Axial Deviation: +0.60 / 0 mm
- Locking Screw Specification: M3
- Locking Screw Torque: 1.5 Nm
- Weight: 0.020 kg
- Mounting Type: Set Screw Type
Applications
- Stepper motors and servo drive systems
- Encoders and miniature transmission systems
- CNC machines
- 3D printers
- Robotics projects
- Automation systems
- Precision shaft coupling applications
- DIY motion control and mechanical projects
Physical Attributes
- Outer Diameter: 20mm
- Total Length: 30mm
- d1 Bore: 4mm
- d2 Bore: 4mm
- Model Size: 20 × 30 mm
- Locking Screw Specification: M3
- Material: Aluminum Alloy
- Weight: 20g
Package Includes
- 1 × XB Flexible Aluminum Alloy Spider Jaw Coupling 20mm OD x 30mm Length x 4mm-4mm Bore
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