22215 Spherical Roller Bearing K W33 C3 Self-Aligning NSK NTN Koyo

Product Specifications

Application Suitability

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

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