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 |
Application Industries
| Industry |
Typical Equipment |
| Construction |
Excavators, Loaders, Bulldozers, Cranes |
| Industrial Machinery |
Reducers, Gearboxes, Conveyors |
| Agriculture |
Harvesters, Tractors |
Minimize Downtime with High Precision Double Row Angular Contact Ball Bearing 3312 for Heavy Load Construction Machinery
Construction machinery operators know the frustration of unexpected downtime caused by bearing failures. When a bearing fails prematurely, it not only halts the equipment but also leads to costly repairs and missed project deadlines. Sourcing reliable bearings that can handle heavy loads and harsh working conditions is a constant challenge for machinery owners and maintenance teams.
Engineered for Heavy Loads and Durability
Our High Precision Double Row Angular Contact Ball Bearing 3312 is designed to address these challenges. With a double row structure and angular contact design, this bearing provides exceptional radial and axial load capacity, making it ideal for heavy load construction machinery. We utilize high-grade bearing steel and advanced manufacturing techniques to ensure each bearing meets strict precision standards from P0 to P4, delivering stable performance even in the most demanding environments.
Optimal Performance in Construction Machinery
This Double Row Angular Contact Ball Bearing 3312 excels in applications where heavy loads and moderate speeds are involved. It is specifically engineered to handle the combined radial and axial forces commonly encountered in construction equipment such as excavator arms, loader buckets, and crane booms. The separated design allows for easy installation and maintenance, while the choice of steel, copper, or nylon cages ensures compatibility with different operating conditions and lubrication requirements.
Key Technical Features for Reliable Operation
The precision rating of this bearing, available from P0 to P6, directly impacts its performance in construction machinery. Higher precision grades (P4, P5) reduce vibration and noise, extending the bearing’s service life and improving overall equipment efficiency. The cage material selection is critical—steel cages offer high strength for heavy loads, copper cages provide excellent heat dissipation, and nylon cages reduce friction and noise in moderate load applications. The bearing’s lubrication with oil grease ensures smooth operation and protects against wear, even in dusty construction sites.
Long-Term Value of Quality Bearings
Choosing a quality Heavy Load Ball Bearing like the 3312 model helps avoid the hidden costs of inferior products. Counterfeit or low-quality bearings often fail prematurely, leading to unplanned downtime, increased maintenance expenses, and potential damage to other machinery components. Our bearings meet international standards and undergo rigorous quality control processes, from raw material inspection to final product testing. This commitment to quality translates to longer bearing life, reduced replacement frequency, and lower total cost of ownership for your construction equipment.
Why Construction Professionals Choose Us
With over 15 years of experience in bearing manufacturing and export, Jinan Saifan Bearing Co., Ltd has established a reputation for reliability and expertise. Our factory is equipped with advanced precision processing equipment and automated production lines, ensuring consistent quality. We hold ISO 9001:2015 Quality Management System and ISO 14001 Environmental Management System certifications, reflecting our commitment to quality and sustainability. Our professional technical team provides free guidance on bearing selection, installation, and maintenance, offering remote troubleshooting support to minimize equipment downtime. We serve customers in Europe, North America, Southeast Asia, and the Middle East, with a proven track record of delivering high-quality bearings for construction machinery.
Packaging & Shipping
- Carton pallet packaging for secure transportation and storage
- Efficient delivery: 3-5 working days for sample orders, 5-15 working days for bulk orders
- Flexible logistics options including express, air, and sea freight
- Real-time logistics tracking provided for all shipments
- Minimum order quantity of 1 piece for standard bearings, ideal for emergency repairs
Get Your Construction Machinery Back to Work
Don’t let bearing issues slow down your construction projects. The High Precision Double Row Angular Contact Ball Bearing 3312 is ready to deliver the reliability and performance your heavy load machinery demands. Contact us today with your specific requirements, and we’ll help you get the right bearing for the job, ensuring minimal downtime and maximum productivity.
Frequently Asked Questions
Q: Is this bearing suitable for heavy load construction machinery?
A: Yes, the High Precision Double Row Angular Contact Ball Bearing 3312 is specifically designed for heavy load applications, making it ideal for construction machinery such as excavators, loaders, and cranes.
Q: How do I confirm if this bearing fits my equipment?
A: Provide your equipment model, required specifications, or application details, and our professional technical team will assist with free选型确认 to ensure compatibility.
Q: What is the warranty period for this bearing?
A: We offer an official 12-month warranty from the date customers receive the goods, covering manufacturing defects with free replacement or refund for qualified issues.
Q: What is the minimum order quantity?
A: The minimum order quantity for standard bearings is 1 piece, supporting emergency repair needs and small batch purchases.
Q: How long does it take to receive the order?
A: Sample orders are delivered within 3-5 working days, and bulk orders within 5-15 working days, with flexible logistics options available.
Q: How can I ensure the bearing’s quality?
A: All our products undergo strict quality control processes, meet ISO international standards, and are certified with ISO 9001:2015. We provide comprehensive quality assurance documentation for each order.
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