Description
Product Specifications
| Parameter | Details |
|---|---|
| Bearing Type | Spherical Roller Bearing |
| Model Number | 22215 K W33 C3 |
| Design Features | Self-Aligning, Tapered Bore (K), Lubrication Groove and Holes (W33), Increased Internal Clearance (C3) |
Application Suitability
| Industry | Typical Applications |
|---|---|
| 工程机械 | Excavator arm pivots, bulldozer undercarriage components |
| 矿山 | Crusher shafts, conveyor roller supports |
| 钢铁冶金 | Rolling mill stands, continuous casting machines |
| 风电 | Generator bearings, gearbox input shafts |
Need a Reliable 22215 Spherical Roller Bearing? Avoid These Common Pitfalls
Industrial maintenance teams know the frustration: specifying a spherical roller bearing only to receive a mismatched unit with incorrect clearance or bore taper, leading to hours of installation delays. When machinery downtime costs thousands per hour, the risk of choosing an unreliable supplier isn’t worth the savings.
Engineered for Heavy-Duty Misalignment and Loads
The 22215 K W33 C3 spherical roller bearing is designed to handle radial and axial loads while accommodating shaft misalignment up to 2-3 degrees—a critical feature for equipment like vibrating screens and gearboxes where precise alignment is challenging. As a supplier with access to major international brands including NSK, NTN, and Koyo, we ensure dimensions align with global standards, eliminating compatibility issues during replacement.
Optimal Performance in Demanding Operating Conditions
This bearing excels in applications with heavy shock loads, variable speeds, and moderate contamination—common in mining and construction equipment. The W33 lubrication groove and holes facilitate relubrication without disassembly, extending service intervals in hard-to-reach locations. With a C3 internal clearance rating, it accommodates thermal expansion in high-temperature environments up to 120°C, preventing premature seizure.
Key Engineering Features That Impact Service Life
The tapered bore (K designation) allows for easy mounting on stepped shafts using adapter sleeves, ensuring proper interference fit and load transfer. Spherical rollers with optimized crowning reduce edge stress under misalignment, while the pressed steel cage maintains roller spacing even at high speeds. Surface hardness typically reaches 58-62 HRC on the raceways and rollers, providing excellent wear resistance against abrasive particles common in industrial settings.
Why Precision Matters for Total Cost of Ownership
Choosing a bearing with inaccurate dimensions or substandard material hardness can lead to 30-50% shorter service life. A 22215 bearing with improper clearance may develop excessive vibration, causing bearing noise and damaging adjacent components like seals and shafts. Our ISO 9001 certified inspection process verifies critical dimensions (bore diameter, outer diameter, width) and hardness, ensuring each unit meets performance requirements and reduces long-term maintenance costs.
Quality You Can Rely On
Every 22215 K W33 C3 bearing undergoes dimensional inspection to confirm compliance with international standards. Raw materials are tested for chemical composition and mechanical properties before production. We provide a standard质保期 against manufacturing defects, with clear protocols for replacement or refund. Whether you need a single unit or bulk order, our inventory system ensures access to major brands and quick fulfillment.
Packaging & Shipping
- Industrial-grade cardboard boxes with protective inner packaging
- Same-day shipping for in-stock items
- Flexible delivery options: Express courier, air freight, or sea freight
- Low minimum order quantity—supports both maintenance repairs and production runs
Get Your 22215 Spherical Roller Bearing Quote Today
Provide your required brand preference (NSK, NTN, Koyo, or other), quantity, and delivery location, and we’ll deliver competitive pricing within 24 hours. Our technical team can also assist with cross-referencing part numbers or verifying compatibility with your equipment specifications.
Frequently Asked Questions
Q: Do you supply other bearing brands or models besides those listed?
A: Yes, we support procurement of all major international and domestic brands across full product lines, including custom specifications.
Q: How can I confirm if this 22215 bearing fits my equipment?
A: Provide your equipment model or existing bearing dimensions (bore, outer diameter, width), and our engineering team will verify compatibility.
Q: What is your warranty policy for bearings?
A: We offer a standard质保期 covering manufacturing defects; specific terms are detailed in the sales contract.
Q: What is the minimum order quantity for this bearing?
A: We accept small orders starting from 1 unit, with volume discounts available for bulk purchases.
Q: How long does shipping take for the 22215 bearing?
A: In-stock items ship the same day; delivery time depends on location—typically 2-5 days for express courier.
Q: Can you provide custom bearings with special modifications?
A: Yes, we support OEM/ODM customization including special clearances, coatings, and packaging as per customer drawings.
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.
Contact us via email or phone for immediate assistance.







