![[Tsubaki] — RS40-CU-1 Curve Chain Roller Chain](https://img.prosourcemro.com/2026/05/001-271.png)
Roller Chains
TSUBAKI
[Tsubaki] — RS40-CU-1 Curve Chain Roller Chain
Family ID: TSB-RS40-CU-1
Tsubaki Curve Chain (CU) — roller chain designed to flex laterally due to unique pin bushing structure and large plate-to-plate clearance. Enables easy curved motion using standard RS sprockets. Suitable for curved roller conveyors and curved return conveyors. Note: guide required at curved sections.
2 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| RS40-CU-1-U | Standard (Unit Link) | Tsubaki | Series: RS40-CU | Pitch: 12.70 mm | Roller Diameter: 7.92 mm | Inner Width: 7.85 mm | Strands: 1 | Feature: Lateral Flex — Large plate-to-plate clearance + unique pin bushing | Sprocket: Standard RS40 compatible | Guide: Required at curved sections | Application: Curved roller conveyors, curved return conveyors, flexible conveyor layouts | Link Type: Standard (Unit Link) | ||
| RS40-CU-1-JL | Connecting Link (Joint Link) | Tsubaki | Series: RS40-CU | Pitch: 12.70 mm | Roller Diameter: 7.92 mm | Inner Width: 7.85 mm | Strands: 1 | Feature: Lateral Flex — Large plate-to-plate clearance + unique pin bushing | Sprocket: Standard RS40 compatible | Guide: Required at curved sections | Application: Curved roller conveyors, curved return conveyors, flexible conveyor layouts | Link Type: Connecting Link (Joint Link) |
