Double Row Angular Contact Ball Bearing 3218-a Steel Cage for Construction Machinery
<p>Minimize construction machinery downtime with the reliable performance of our <strong>Double Row Angular Contact Ball Bearing 3218-a Steel Cage</strong>. Engineered to handle combined radial and axial loads in heavy-duty applications, this SKF 3218 Angular Contact Ball Bearing delivers consistent precision even under extreme operating conditions.</p><ul><li>Steel cage design ensures superior heat resistance and durability for prolonged service life in construction environments</li><li>Double row structure provides enhanced rigidity and load-carrying capacity compared to single row alternatives</li><li>Directly sourced from SKF official channels, guaranteeing 100% genuine quality with complete batch traceability</li></ul>
- 100% genuine -- COC & factory certificates available
- In-stock · bulk & small-batch orders accepted
- ISO · DIN · ABMA · JIS compliant
- Full customs clearance documentation provided
Product Details
Full Specifications & Description
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 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Construction Machinery | Heavy equipment pivot points, hydraulic cylinder rod ends, gearbox assemblies |
Need a Reliable Double Row Angular Contact Ball Bearing 3218 for Construction Machinery?
Construction machinery operators know the frustration of unexpected downtime caused by bearing failures. When your equipment is working in harsh conditions, the wrong bearing choice can lead to premature wear, misalignment issues, and costly repairs that halt projects. Finding a bearing that balances load capacity, precision, and durability while matching your existing SKF 3218 specifications can be a time-consuming challenge.
Engineered for Heavy-Duty Construction Machinery Performance
This Double Row Angular Contact Ball Bearing 3218 with steel cage is designed to address the specific demands of construction machinery. With a double row structure and angular contact design, it handles both radial and axial loads efficiently—critical for equipment like excavators, loaders, and bulldozers. Our extensive inventory covers over 95% of conventional models, ensuring we can often ship the same day you order, minimizing your equipment downtime.
Optimal Performance in Construction Machinery Environments
This bearing excels in the tough conditions typical of construction sites. It operates effectively under heavy shock loads and variable speeds, common in hydraulic systems and transmission components. The steel cage provides enhanced rigidity and heat resistance, maintaining performance even in high-temperature environments up to 120°C. Whether your machinery is working with vibrating components or under constant load cycles, this bearing delivers consistent reliability.
Key Engineering Features for Construction Applications
The double row angular contact design is a standout feature, allowing the bearing to accommodate higher radial loads than single row alternatives while managing axial loads in both directions. The precision rating options (P0 to P6) ensure you can select the exact tolerance needed for your equipment—P5 or P4 grades for applications requiring tight alignment, like gearbox input shafts. Constructed from high-quality bearing steel, it offers excellent surface hardness (HRC 58-62) for wear resistance, crucial for extending service life in dusty construction environments. The separated design also simplifies maintenance and replacement when needed.
Why Choosing the Right Bearing Lowers Total Costs
Selecting a precision-engineered double row angular contact ball bearing may seem like a higher initial investment, but it reduces long-term costs significantly. Inferior bearings with substandard steel or imprecise manufacturing often fail early, leading to unplanned downtime, labor costs for replacement, and potential damage to adjacent components. This bearing's robust construction and adherence to strict quality standards help prevent these issues. By following ISO 281 fatigue life calculations, we ensure it meets the durability requirements of construction machinery, ultimately lowering your total cost of ownership through extended service intervals and fewer replacements.
Quality Assurance You Can Trust
Our manufacturing and inspection processes follow ISO 9001 standards, ensuring consistent quality from raw material selection to final product testing. Each bearing undergoes dimensional accuracy checks, hardness testing, and surface finish inspection before leaving our facility. We provide a warranty against manufacturing defects, giving you peace of mind in your purchase. With access to a wide range of international and domestic brands, we can source or supply bearings that match your exact specifications, whether you need SKF-compatible dimensions or other brand equivalents.
Packaging & Shipping
- Packaged in sturdy cartons with pallet options for bulk orders, ensuring safe transport
- Spot inventory available for same-day shipping on most conventional models
- Flexible shipping options including express courier, air freight, and sea freight
- Low minimum order quantity supported, ideal for both emergency replacements and regular stock replenishment
Get Your Quote for SKF 3218 Angular Contact Ball Bearing Today
Whether you need a single replacement bearing or a bulk order for your construction fleet, we can provide competitive pricing and reliable delivery. Simply share the bearing model, required quantity, and delivery location, and our team will promptly prepare a quote. The sooner you confirm your order, the sooner we can arrange shipment to keep your machinery operational.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides SKF?
A: Yes, we support procurement of bearings from all major international brands (NSK, NTN, Koyo, NACHI, IKO, FAG, Timken) as well as domestic Chinese brands, based on your specific requirements.
Q: How can I confirm if this bearing fits my construction equipment?
A: Provide your equipment model or the existing bearing's dimensions (bore diameter, outer diameter, width) and our technical team will verify compatibility with the 3218 series specifications.
Q: What is the warranty period for this bearing?
A: We offer a standard warranty against manufacturing defects. The exact warranty period is specified in each order's contract, typically covering 12 months from delivery.
Q: What is the minimum order quantity for this bearing?
A: We accept low minimum order quantities, including single-unit purchases for emergency replacements, with volume discounts available for bulk orders.
Q: How long does shipping take to my location?
A: For in-stock items, we ship the same day. Delivery times vary by destination: 3-5 days for express courier, 7-10 days for air freight, and 30-45 days for sea freight.
Q: Can you provide custom bearing solutions for specific applications?
A: Yes, we support OEM/ODM customization based on your technical drawings or specifications, including special materials, cage types, and lubrication options.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we'll get back to you with pricing and lead time.
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Double Row Angular Contact Ball Bearing 3218-a Steel Cage for Construction Machinery
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