60KG Double-Stack Ball Bearing Slide Rail

HA 3503 Double-Stack Ball Bearing Slide Rail:

The HA 3503 double-stack ball bearing slide rail represents our most robust linear motion solution, engineered specifically for extreme-duty applications requiring unmatched load capacity and durability.

The HA 3503's unique double-stack configuration delivers 40% greater rigidity compared to standard slides, while the over-travel feature provides complete access to stored items. Our precision ball bearing system maintains smooth operation even at maximum capacity, and the zinc-blue finish offers superior protection in humid or industrial environments.

Available with optional mounting hardware kits. Custom lengths and load ratings available for OEM applications. CE compliant and ISO 9001 certified manufacturing.

Key Features:

Dual-Rail Stacked Design - Provides enhanced stability and weight distribution

Non-Detachable Construction - Ensures maximum structural integrity under heavy loads

Over-Travel Mechanism - Allows extended access beyond standard extension limits

Industrial-Grade Zinc-Blue Plating - Superior corrosion resistance for harsh environments

Extended Length Options - Available in 12-28" (300-700mm) configurations

Exceptional Load Capacity - Supports 60kg/pair at 450mm (18") extension

Precision Cold-Rolled Steel - Manufactured from high-tensile steel for longevity

Smooth Ball Bearing System - Maintains consistent performance under maximum loads

Dual-Rail Stacked Design - Provides enhanced stability and weight distribution

Made of 1.0 mm thick stainless steel. Use 5% salt spray for 48 hours.

The rolling ball action can create a calm and labor-free environment.

Our Services for Slide Rail Products：

Customization – We offer tailored solutions including custom lengths, load capacities, and surface finishes to meet your specific requirements.

OEM/ODM Support – Partner with us for private labeling and customized designs to match your brand's needs.

Bulk Order Discounts – Competitive pricing for large-volume purchases with flexible packaging options.

Fast Delivery – Reliable global shipping with express options to ensure timely arrival.

Technical Support – Expert guidance on product selection, installation, and troubleshooting.

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