Double Row Angular Contact Ball Bearing 3320-a for Mining Construction Equipment with Steel Cage

Product Specifications

Application Industries

Minimize Downtime with 3320-a Double Row Angular Contact Ball Bearing for Mining Equipment

Equipment failure in mining and construction sites often starts with a single bearing failure, leading to costly downtime and repair delays. Sourcing reliable bearings that can handle heavy loads and harsh conditions while meeting tight delivery timelines remains a persistent challenge for maintenance managers and procurement teams.

Engineered for Mining’s Toughest Conditions

The 3320-a Double Row Angular Contact Ball Bearing addresses these challenges with its robust design and material selection. Built with high-grade bearing steel and available steel cage options, this bearing delivers stable performance in high-vibration environments typical of mining construction equipment. Our decades of manufacturing experience ensure each unit meets strict precision standards from P0 to P4, supporting both radial and axial load requirements in excavators, loaders, and crushers.

Optimized Performance in Heavy-Duty Applications

This angular contact ball bearing excels in applications requiring simultaneous radial and axial load handling, such as conveyor systems and crushing machinery. Its double-row structure provides increased rigidity and load capacity compared to single-row designs, making it ideal for equipment operating under continuous heavy loads and variable speed conditions. The separated design allows for easy installation and maintenance, reducing assembly time in the field.

Key Technical Features That Matter

The precision rating options (P0-P6) directly impact operational stability—higher precision grades like P4 minimize vibration and noise, critical for extending equipment lifespan. The choice of cage material (steel, copper, or nylon) allows customization based on operating temperature and load requirements: steel cages offer maximum strength for heavy loads, while nylon cages reduce friction in high-speed applications. Lubrication with high-performance oil grease ensures consistent operation across temperature variations commonly encountered in mining environments.

Why Genuine Bearings Reduce Total Cost of Ownership

Counterfeit bearings may offer lower upfront costs but often fail prematurely, leading to unplanned downtime, increased repair expenses, and potential safety risks. Our 3320-a Double Row Angular Contact Ball Bearing adheres to ISO industrial standards, with strict incoming material inspection and full-process production supervision. Each unit undergoes dimensional detection and performance testing in our in-house laboratory, ensuring compliance with international quality benchmarks and reducing the risk of premature failure.

Your Trusted Partner for Bearing Solutions

Packaging & Shipping

• Secure carton pallet packaging with protective measures to prevent damage during transit
• Efficient delivery: 3-5 working days for sample orders, 5-15 working days for bulk orders
• Multiple logistics options including express, air, and sea freight to match your timeline requirements
• Real-time shipment tracking provided upon dispatch
• Flexible order quantities: 1 piece MOQ for standard bearings, customized order quantities negotiable

Get Your 3320-a Bearing Shipped Today

Don’t let equipment downtime impact your project timeline. Whether you need a single replacement bearing or bulk order for your mining fleet, we ensure prompt delivery and reliable performance. Contact us with your specific requirements, and our team will assist with选型 and pricing to meet your operational needs.

Frequently Asked Questions