48mm Plastic Cable Drag Chain Bridge Snap-Open Series (Heavy Duty / Long Travel)

Protect and guide high-load electrical lines, hydraulic hoses, and pneumatic tubing with our heavy-duty 48mm inner height plastic cable drag chain. Engineered from reinforced PA66 polyamide nylon, this bridge-type snap-open series provides exceptional structural load capacity, wear resistance, and reliable performance across long travel strokes and high-speed CNC applications.

For operations requiring complete seal protection against flying metal chips, dust, or coolant spray, visit our 48mm Enclosed Plastic Cable Drag Chain Series. If your system calls for a smaller cross-section, check out our 38mm Bridge Plastic Cable Drag Chain Series.

Key Features & Heavy-Duty Structural Advantages

• Reinforced PA66 Nylon Construction: Molded from premium PA66 with high glass-fiber reinforcement, delivering high tensile strength, anti-sagging stability, and extended service life under heavy dynamic loads.
• Bridge Snap-Open Architecture: The open frame structure ensures maximum heat dissipation and rapid visual inspection, while side snap-open crossbars allow quick cable laying and hassle-free maintenance.
• Heavy-Duty Bolted Side Links: High-strength side-plate articulation supported by robust pin-and-bolt fasteners prevents link dislocation or lateral deflection during extended travel strokes.
• Vibration-Damping Joint Inserts: Integrated cushioning inserts at link connections absorb shock loads, reduce joint friction, and ensure quiet, low-vibration operation.
• Rigid Steel Mounting Brackets: Heavy-gauge end brackets distribute dynamic push-pull forces evenly, ensuring firm mounting on heavy industrial machine frames.
• Internal Separation & Fiber Clamping: Fully compatible with vertical dividers and specialized optical fiber clamps to prevent cable crossing and surface wear in complex long-travel runs.

Technical Specifications

Item No	Internal Dimensions      (H x W)    mm	External Dimensions       (H x W)          mm	Bending   Radii    (R)             mm	Pitch           mm	Chain Links per Meter       pcs	Opening Principle	Max Cable Diameter               mm
YDLHSOB4850	48X50	70X77	R75       R100     R125     R150     R175     R200    R250	80	13	bridge snap-open     type	43.00
YDLHSOB4860	48X60	70X87
YDLHSOB4875	48X75	70X102
YDLHSOB48100	48X100	70X127
YDLHSOB48125	48X125	70X152
YDLHSOB48150	48X150	70X177
YDLHSOB48175	48X175	70X202
YDLHSOB48200	48X200	70X227

Target Applications & Environmental Suitability

The 48mm bridge-type plastic cable drag chain is ideal for long-travel gantry CNC centers, heavy stone cutting machinery, automated material handling equipment, and large-scale wood processing lines. Designed specifically for long-distance motion systems, this heavy-duty series maintains structural integrity over thousands of continuous cycles. Choose this open bridge design for high heat dissipation and quick cable laying, or opt for our 48mm Enclosed Plastic Cable Drag Chain when complete protection against airborne debris is mandatory.