Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 22218 |
| Bearing Type | Spherical Roller Bearing |
| Bore Diameter (d) | 100 mm |
| Outside Diameter (D) | 215 mm |
| Width (B) | 47 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Material | Bearing Steel |
| Rolling Body | Roller Bearings |
| The Number of Rows | Double |
| Load Direction | Radial Bearing |
| Separated | Unseparated |
| Origin | Sweden |
| HS Code | 8482300000 |
| Package Size | 18.00cm × 18.00cm × 6.00cm |
| Package Gross Weight | 4.100 kg |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Heavy-Duty Machinery | Conveyor systems, industrial gearboxes, heavy equipment axles |
| Wind Power | Generator main shafts, gearbox components |
| Mining Equipment | Crushers, vibrating screens, excavator booms |
| Steel Mills | Rolling mill stands, continuous casting machines |
| Construction Machinery | Bulldozer undercarriages, loader pivot joints |
Need Reliable SKF 22218 Spherical Roller Bearing for Heavy Machinery? Here’s What Matters
Equipment downtime from bearing failure costs manufacturers thousands in lost production. When sourcing the 22218 spherical roller bearing for heavy-duty applications, buyers often face challenges—either struggling to find authentic parts with full traceability or dealing with suppliers who can’t verify precision class and clearance ratings. Misalignment in machinery like crushers or conveyor systems only compounds these issues, making the right bearing selection critical.
Engineered for Self-Aligning Performance in Demanding Conditions
The SKF 22218 self-aligning roller bearing addresses these challenges with its double-row roller design and self-aligning capability, accommodating shaft misalignment up to 2.5 degrees. As a supplier with direct access to global bearing networks, we ensure 100% authentic products sourced from established manufacturers, covering over 95% of conventional models for same-day shipping on in-stock items. This bearing’s 100x215x47mm dimensions make it ideal for heavy radial loads in mining equipment, steel mill machinery, and wind power gearboxes.
Optimal Performance in High-Load, Misalignment-Prone Environments
This spherical roller bearing excels in applications with heavy radial loads and moderate axial loads, operating efficiently in temperatures ranging from -30°C to 120°C. Its self-aligning feature is particularly valuable in machinery where shaft deflection or mounting errors are common—such as vibrating screens or construction equipment axles. The double-row roller configuration distributes load evenly, reducing stress on individual components and extending service life under continuous operation.
Key Engineering Features That Impact Reliability
The 22218 bearing’s performance stems from critical design elements: Bearing steel construction provides high surface hardness (typically 58-62 HRC), ensuring resistance to wear and fatigue under heavy loads. Precision ratings from P0 (standard) to P2 (high precision) allow customization for applications requiring tight dimensional tolerances, such as precision gearboxes. Clearance options (C0, C3, C4) accommodate thermal expansion in high-temperature environments—C3 and C4 clearances are recommended for applications where the bearing operates at elevated temperatures or experiences significant shaft growth.
Why Proper Bearing Selection Lowers Total Cost of Ownership
Choosing the right spherical roller bearing directly impacts equipment reliability and maintenance costs. A bearing with incorrect clearance or precision class may fail prematurely, leading to unplanned downtime, costly repairs, and potential damage to adjacent components. The 22218’s robust design, when paired with proper installation and lubrication, aligns with ISO 281 bearing life standards, reducing replacement frequency. While initial costs may be higher than non-branded alternatives, the extended service life and reduced maintenance needs lower long-term operational expenses.
Quality You Can Trust: Sourcing and Assurance
Our procurement process ensures every SKF 22218 bearing meets strict quality standards. All products are sourced through official channels with complete traceability, including original factory certificates and batch inspection reports. We implement ISO 9001-aligned quality checks, verifying dimensions, hardness, and surface finish before shipment. A factory-backed warranty covers manufacturing defects, and our technical team provides pre-purchase selection guidance to ensure compatibility with your specific application. With dedicated inventory for common models, we support urgent orders and minimize lead times for critical replacements.
Packaging & Shipping
- Standard packaging: Carton with pallet for bulk orders, individual cartons for small quantities
- Same-day shipping for in-stock items; 3-5 days for special orders
- Global delivery options: Express courier (3-7 days), air freight (5-10 days), or sea freight (20-35 days)
- Low minimum order quantity: 1 unit for standard models, with volume discounts available
Get a Quote for Your SKF 22218 Bearing Requirement
Whether you need a single replacement or bulk order, provide your required precision class, clearance, and quantity, and we’ll deliver competitive pricing and lead time. Our team can also assist with cross-referencing part numbers or verifying compatibility with your equipment. The sooner you confirm your order, the faster we can arrange shipment to minimize your downtime.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides SKF?
A: Yes, we source bearings from all major international brands including NSK, NTN, Koyo, NACHI, IKO, FAG, and Timken, as well as quality domestic manufacturers.
Q: How can I confirm if the 22218 bearing fits my equipment?
A: Provide your equipment model or existing bearing dimensions (bore, outer diameter, width), and our technical team will cross-verify compatibility with manufacturer specifications.
Q: What is your warranty policy for this bearing?
A: We provide the original manufacturer’s warranty, typically 12 months from shipment, covering manufacturing defects. Warranty terms are detailed in our sales contract.
Q: What is the minimum order quantity for the 22218 bearing?
A: We accept orders for as few as 1 unit for standard models, with no minimum quantity requirement.
Q: How long does shipping take to [my location]?
A: Shipping time depends on your location and chosen method. Express courier to most countries takes 3-7 days, while sea freight to major ports takes 20-35 days.
Q: Can you provide custom packaging or labeling for this bearing?
A: Yes, we offer customized packaging, label printing, and technical documentation services to meet specific
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