China Self Aligning Ball Bearing 1210K 1310 2208 2214K

Product Specifications

Application Suitability

Struggling with Bearing Reliability in Hydraulic Systems? POS18 Self Aligning Ball Bearing Delivers

Hydraulic cylinder failures often trace back to不起眼 bearing issues—misalignment causing premature wear, frequent lubrication demands in hard-to-reach locations, or generic components failing under dynamic loads. For equipment operators in construction and automation, these problems translate to unplanned downtime and rising maintenance costs.

Self-Lubricating Design for Low-Maintenance Operation

The POS18 self aligning ball bearing addresses critical industry pain points through its integrated self-lubricating system, eliminating the need for regular grease injections in sealed or remote installations. Our ISO 9001 certified production ensures each unit meets precise dimensional standards (18mm inner diameter, 23mm thickness), while our extensive inventory network supports quick fulfillment for urgent replacement needs in engineering hydraulic cylinders and construction machinery.

Optimal Performance in Angular Misalignment Conditions

This radial spherical plain bearing excels in applications with moderate misalignment, such as forging machine linkages and automation equipment pivots. The whole outer ring construction allows angular补偿 up to typical industry standards for self-aligning bearings, while the M18*1.5 thread size provides secure integration with standard hydraulic cylinder rod ends. With a dynamic load capacity of 25700 N and static load rating of 30200 N, it reliably handles the cyclic forces common in hydraulic actuation systems.

Material and Engineering Details That Impact Service Life

Constructed from high-grade bearing steel, the POS18 offers superior surface hardness and wear resistance compared to non-specialized alternatives. The self-lubricating sliding contact reduces friction coefficients during operation, minimizing heat generation and extending service intervals. Its 18*93*23mm specification ensures compatibility with interchangeable dimensions following major international standards, simplifying replacement in multi-brand equipment setups. The precisely controlled thread tolerance (M18*1.5) prevents loosening under vibration, a critical feature for mobile machinery applications.

Total Cost of Ownership: Beyond Initial Purchase Price

Choosing the right bearing directly impacts operational costs. Inferior bearings with imprecise dimensions or inadequate material hardness typically fail within 30-50% of expected service life, leading to secondary equipment damage and costly repairs. The POS18’s robust construction—backed by comprehensive dimensional and hardness testing—delivers predictable performance that aligns with ISO 281 fatigue life calculations. For high-cycle applications like automobile shock absorbers, this translates to fewer replacements and lower long-term maintenance expenses.

Quality Assurance You Can Verify

Packaging & Shipping

• Standard export packaging in cardboard boxes suitable for sea or air transport
• Expedited shipping available for emergency replacement needs
• Multiple logistics options including express courier, air freight, and ocean shipping
• Flexible minimum order quantities—supports both trial installations and bulk production requirements

Get Your POS18 Bearing Quote Today

Whether you need a single replacement unit or volume pricing for production, we can provide competitive quotes based on your specific requirements. For cross-reference assistance or technical confirmation, share your equipment model or existing bearing specifications, and our engineering team will verify compatibility with the POS18 self aligning ball bearing.

Frequently Asked Questions