China Thrust Ball Bearing 51118 51218 51318 51120 51220

Product Specifications

Application Suitability

Struggling with Thrust Ball Bearing 51118-51220 Selection? Here’s What You Need

Finding the right thrust ball bearings for axial load applications often means wading through countless part numbers and uncertain quality. Many buyers face downtime from premature failures due to material inconsistencies or incorrect model specifications. Sourcing from multiple suppliers for different brands only adds complexity to your procurement process.

Engineered for Consistent Axial Load Performance

Our thrust ball bearings 51118, 51218, 51318, 51120, and 51220 are designed to handle axial loads in both directions, with dimensions following international standards for interchangeability. As a professional bearing supplier with ISO 9001 certified processes, we ensure each bearing meets strict dimensional and hardness requirements. Whether you need replacements for existing equipment or new installations in hydraulic presses or gearboxes, our comprehensive inventory covers these critical models.

Optimal Performance in Axial Load Scenarios

These thrust ball bearings excel in applications with high axial loads and moderate speeds, such as vertical shafts in industrial machinery or hydraulic cylinder end supports. Their single-direction design provides efficient load distribution, while the precision-ground raceways minimize friction. Proper selection based on load capacity and operating conditions is crucial to prevent cage damage and ensure maximum service life.

Key Engineering Features Explained

The 51118 (90x120x22mm), 51218 (90x135x35mm), 51318 (90x155x45mm), 51120 (100x135x25mm), and 51220 (100x150x38mm) models differ primarily in outer diameter and width, directly impacting load capacity. Dynamic load ratings increase with size, making the 51318 suitable for heavier loads compared to the slimmer 51118 series. Surface hardness testing ensures the raceways and balls maintain integrity under repeated loading cycles, while precision class tolerances allow for direct interchange with standard metric bearing systems.

Why Proper Bearing Selection Reduces Total Costs

Choosing the correct thrust ball bearing model directly affects equipment uptime and maintenance expenses. A bearing undersized for the application will fail prematurely, leading to unplanned downtime and potential damage to adjacent components. Our engineering team helps verify load requirements against ISO standards to ensure optimal selection, reducing long-term costs associated with frequent replacements and production interruptions.

Quality You Can Trust in Every Shipment

Packaging & Shipping

• Neutral industrial packaging with protective wrapping to prevent damage during transit
• Stock availability for prompt shipment of standard models
• Flexible shipping options including express courier, air freight, and sea freight
• Low minimum order quantities to support both small repairs and large production runs

Get Your Thrust Ball Bearing Quote Today

Provide the specific model (51118, 51218, 51318, 51120, or 51220), quantity, and delivery location, and we’ll prepare a detailed quotation. Our team can also assist with cross-referencing if you need alternatives to existing brands. Early order confirmation ensures priority processing from our inventory.

Frequently Asked Questions