51103 51203 Thrust Ball Bearing for Lifting Jack

Product Specifications

Application Suitability

Need Reliable 51103 51203 Thrust Ball Bearings for Lifting Jacks? Avoid These Common Issues

When sourcing thrust ball bearings for lifting jacks, procurement teams often face two critical challenges: finding bearings that match exact dimensional requirements (17x30x9mm in this case) and ensuring consistent quality across different suppliers. Mismatched dimensions lead to installation delays, while substandard materials result in premature failure under axial loads—costing time and money in equipment downtime.

Engineered for Lifting Jack Performance and Durability

Our 51103 thrust ball bearing addresses these pain points with precision-engineered dimensions (17mm bore, 30mm outer diameter, 9mm width) and bearing steel construction, ensuring compatibility with standard lifting jack assemblies. As a full-range bearing supplier, we maintain stock of both 51103 and 51203 models, supporting quick turnaround for urgent replacement needs. The separated design allows for easy installation and maintenance, a critical feature in hydraulic equipment where access can be limited.

Optimal Performance in Axial Load Applications

This thrust ball bearing excels in applications with pure axial load, such as lifting jacks, where it supports vertical force transmission between moving components. With a contact angle of 0°, it is specifically designed to handle thrust loads without radial load capacity, making it the ideal choice for systems where load direction is strictly axial. The Z1V1 to Z3V3 vibration classes ensure smooth operation, reducing noise and wear during jack activation and retraction.

Key Engineering Features for Long Service Life

The bearing’s performance stems from several critical design elements: Bearing steel material provides high surface hardness and fatigue resistance, essential for withstanding repeated load cycles in lifting applications. Precision ratings from P0 to P2 allow customization based on application tolerance requirements—P2 for high-precision jacks and P0 for general-purpose use. Grease or oil lubrication flexibility ensures adaptability to different operating environments, while the non-aligning design works best in systems with minimal shaft misalignment.

Why Choosing the Right Thrust Bearing Lowers Total Costs

Selecting a properly specified thrust ball bearing directly impacts equipment reliability and total cost of ownership. Bearings with inadequate precision or material quality may develop play or deformation under load, leading to jack instability or seal damage. This 51103 model, manufactured under ISO 9001:2008 standards, undergoes rigorous dimensional and hardness testing to prevent such issues. By reducing premature failures, it minimizes maintenance intervals and avoids the hidden costs of emergency repairs and production downtime.

Quality Assured Through Rigorous Production Standards

Packaging & Shipping

• Packaged in cartons with palletization available for bulk orders
• In-stock inventory ensures same-day or next-day dispatch for urgent requirements
• Flexible shipping options including express courier, air freight, and sea freight
• Low minimum order quantity supported, ideal for both replacement and production needs

Get Your 51103 Thrust Ball Bearing Quote Today

Whether you need 51103, 51203, or any other thrust ball bearing model, we can provide competitive pricing and fast delivery. Simply share the bearing model, quantity, and destination, and our team will prepare a detailed quote with lead time information. For custom requirements or technical support, our engineering team is available to assist with选型 guidance.

Frequently Asked Questions