Cardan Chain
The cardan chain is a specialized type of conveyor chain that incorporates a cardan joint, allowing the chain to rotate 360 degrees. This unique feature makes it an ideal solution for overhead trolley conveyors, especially in applications where flexibility and smooth movement are essential.
Equipped with precision bearings in both horizontal and vertical planes, the cardan chain ensures stable and smooth operation on crossed or circular track systems. This design enhances reliability and reduces wear, making it suitable for demanding industrial environments.
An additional plate can be attached to the cardan chain, and its design can be customized based on specific application requirements. This versatility allows the chain to adapt to various operational needs, from simple material handling to complex automated systems.
The chain components are manufactured from medium carbon steel and undergo heat treatment to improve surface hardness and durability. For use in corrosive environments, blackening treatment is applied to enhance resistance against rust and corrosion.


Chain No. | Pitch P (mm) | Inner width of inner link b1 (mm) | Diameter of roller d1 (mm) | Diameter of pin d2 (mm) | Length of pin L (mm) | Height of sidebar h2 (mm) | Thickness of sidebar T (mm) | Hole distance of attached plate L1 (mm) | Hole diameter of attached plate d4 (mm) | Hole distance of articulated block F (mm) | Tensile strength Q (KN) |
SJ400-40 | 200 | 20 | 30 | 9 | 65 | 20 | 3 | 88 | 6.44 | 20 | 15 |
SJ400-60 | 200 | 21 | 35 | 10 | 64.5 | 20 | 4 | 88 | 6.5 | 20 | 60 |
SJ400-100 | 200 | 26 | 40 | 14 | 75 | 30 | 4 | 88 | 10 | 25 | 100 |
SJ405S-60 | 203.2 | 30 | 47 | 14 | 95 | 30 | 4 | 76.2 | 8.4 | 16.5 | 50 |
Pitch P (mm) | Inner width of inner link b1 (mm) | Diameter of roller d1 (mm) | Diameter of pin d2 (mm) | Length of pin L (mm) | Height of sidebar h2 (mm) | Thickness of sidebar T (mm) | Hole distance of attached plate L1 (mm) | Hole distance of articulated block F (mm) | Tensile strength Q (KN) |
190.5 | 26 | 38 | 13 | 105 | 28 | 4.5 | 60 | 23.2 | 98 |
203.2 | 26 | 38 | 13 | 105 | 28 | 4.5 | 60 | 23.2 | 98 |



Why Choose DCC?
1. Changzhou Dongwu Chain Transmission Manufacturing Co., Ltd. is a professional manufacturer of chains and a member unit of the China National Technical Committee for Standardization for China Transmission.
2. We occupy an area over 100,000 square meters, with standard workshops covering over 30,000 square meters and more than 300 sets of advanced equipment for large-scale production and comprehensive inspection devices.
3. We have passed the certifications of ISO 9001:2000 international quality management system and ISO 14001 environmental management system.
4. Over 75% of our products are exported to Europe, America, Japan, Southeast Asia, and other regions.
5. With 12 years of factory experience, nearly all parts are produced in-house, allowing us to maintain control over both cost and quality.
Choose DCC, you choose high quality, competitive price, and perfect service.
We look forward to building long-term business relationships and mutual trust with our clients!
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