Product Specifications
| Parameter |
Details |
| Model NO. |
Double Row Angular Contact Ball Bearing |
| Separated |
Separated |
| Rows Number |
Double |
| Load Direction |
Radial Bearing |
| Material |
Bearing Steel |
| Precision Rating |
P0, P2, P4, P5, P6 |
| Type |
Ball |
| Structure |
Angular Contact |
| Cage |
Steel Cage, Copper Cage, Nylon Cage |
| Lubrication |
Oil Grease |
| Transport Package |
Carton Pallet |
| Specification |
As Your Request |
| Trademark |
SKF |
| Origin |
Jiangsu China |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Truck & Commercial Vehicles |
Transmission systems, steering mechanisms, drive axles |
| Construction Machinery |
Excavators, loaders, bulldozers, cranes |
| Industrial Manufacturing |
Heavy-duty gearboxes, hydraulic pumps, material handling equipment |
Minimize Downtime with 3308-a Double Row Angular Contact Ball Bearing for Heavy Machinery
Equipment failures in truck and construction operations often trace back to bearing issues—premature wear under heavy loads, imprecise rotation causing vibration, or mismatched specifications leading to unplanned downtime. For operators managing fleets or construction sites, every hour of halted work translates to lost revenue and increased maintenance costs. Sourcing reliable bearings that meet high precision standards while accommodating flexible order quantities remains a persistent challenge in the industry.
Engineered for High-Precision Heavy-Duty Performance
The 3308-a double row angular contact ball bearing addresses these challenges with its P4 precision rating and robust design, optimized for truck and construction machinery applications. As a professional bearing manufacturer with decades of export experience, we ensure each unit undergoes strict quality control—from raw material inspection to dimensional detection and noise testing. Our production lines, equipped with advanced precision processing equipment, deliver bearings that maintain stable performance under radial and axial loads, critical for heavy-duty machinery operation.
Optimal Performance in Demanding Work Conditions
This double row angular contact bearing excels in high-stress environments typical of construction sites and long-haul trucking. Its separated structure allows for easy mounting and dismounting, simplifying maintenance procedures. The bearing’s design accommodates combined radial and axial loads, making it suitable for equipment components like drive axles and hydraulic pumps that experience multi-directional forces. With a focus on durability, the bearing uses high-grade bearing steel to ensure long service life even in dusty, high-vibration conditions.
Key Technical Features Driving Reliability
The precision rating of P4 ensures minimal radial runout and axial clearance, reducing vibration and noise during operation—critical for maintaining machinery accuracy and operator comfort. The choice of cage material (steel, copper, or nylon) allows customization based on specific application needs: steel cages for high-temperature resistance, copper for enhanced load capacity, and nylon for reduced friction in high-speed scenarios. Lubrication with high-quality oil grease further extends service life by minimizing internal friction and preventing corrosion, ensuring consistent performance in varying operating temperatures.
Long-Term Value: Avoid Hidden Costs of Substandard Bearings
Choosing substandard bearings may initially save on procurement costs, but the hidden expenses of frequent replacements, equipment downtime, and potential secondary damage to gears or shafts far outweigh these savings. Our 3308-a double row angular contact ball bearing meets ISO international industrial standards, ensuring compatibility with global machinery specifications. Each unit is backed by a 12-month warranty, providing assurance against manufacturing defects. By investing in high-precision bearings, operators reduce total cost of ownership through extended maintenance intervals and fewer production interruptions.
Why Partner with Saifan Bearings
With over 18 years of manufacturing and export experience, Saifan Bearings serves clients across Europe, North America, Southeast Asia, and the Middle East. Our ISO 9001:2015 and ISO 14001 certifications underscore our commitment to quality and environmental management. We offer flexible order policies, including a 1-piece MOQ for standard bearings and sample orders with 3-5 working day delivery—ideal for emergency repairs or small-batch testing. Our professional technical team provides free guidance on bearing selection, installation, and maintenance, ensuring optimal performance and longevity. For distributors and wholesalers, we offer free samples (freight borne by the customer) to facilitate product evaluation.
Packaging & Shipping
- Secure carton and pallet packaging to prevent damage during transit
- Sample orders delivered within 3-5 working days; bulk orders within 5-15 working days
- Multiple logistics options available, including express (DHL, FedEx) and sea/air freight
- Real-time tracking provided for all shipments
- Negotiable quantities for customized orders to meet specific project requirements
Request Your Quote Today
Don’t let equipment downtime impact your productivity. Whether you need a single 3308-a bearing for emergency repair or bulk orders for ongoing projects, our team is ready to assist. Provide your bearing specifications, application details, and quantity requirements, and we’ll deliver a competitive quote within 24 hours. Ensure your machinery runs smoothly with bearings designed for reliability and precision.
Frequently Asked Questions
Q: Is this bearing suitable for high-load construction machinery?
A: Yes, the 3308-a double row angular contact ball bearing is specifically engineered for heavy-duty applications, with a design that accommodates both radial and axial loads common in construction equipment like excavators and loaders.
Q: How do I confirm the precision grade I need for my application?
A: Our technical team can assist with选型 based on your equipment’s operating conditions. The P4 precision grade is ideal for applications requiring high rotational accuracy and minimal vibration, such as truck transmission systems.
Q: What warranty coverage is provided?
A: All bearings come with a 12-month warranty from the date of receipt, covering manufacturing defects. Qualified defective products can be replaced free of charge with your next bulk order or via direct refund.
Q: What is the minimum order quantity for standard bearings?
A: We offer a flexible 1-piece MOQ for standard bearings, supporting both small-scale repairs and large-volume purchases.
Q: How can I verify the authenticity of the product?
A: Each bearing is supplied with traceable documentation, and our quality control process ensures compliance with international standards. For further verification, our team can provide certification of origin and quality test reports upon request.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
