51109 51209 51309 51409 Thrust Ball Bearing High Quality

Product Specifications

Application Suitability

Need Reliable 51109-51409 Thrust Ball Bearings? Avoid Common Sourcing Pitfalls

When specifying thrust ball bearings like the 51409 model, procurement teams often face two critical challenges: ensuring dimensional accuracy across different brands and verifying material quality to prevent premature failure. A mismatched bearing can cause catastrophic equipment downtime, while substandard steel may lead to brinelling under heavy axial loads—issues we’ve helped countless clients resolve through precise specification matching.

Engineered for Heavy Axial Loads in Demanding Environments

This 51409 thrust ball bearing addresses these challenges with ISO 9001:2008 certified manufacturing processes and compliance with international dimensional standards. With a 45mm bore, 100mm outer diameter, and 39mm width, it fits seamlessly into assemblies requiring high axial load capacity. Our extensive inventory includes not just this model but the entire 51109-51409 series, ensuring you can source all required sizes from a single supplier without sacrificing lead time.

Optimal Performance in Static and Low-Speed Dynamic Applications

Thrust ball bearings excel in applications where axial loads are primary, such as vertical shafts and thrust plates. The 51409’s single-row design with a 0° contact angle delivers efficient load distribution, making it ideal for static positioning or low-speed rotation up to 1500 RPM (depending on lubrication and operating conditions). Its separated construction allows for easy mounting and dismounting during maintenance, a critical feature in equipment with limited access.

Key Engineering Features That Impact Service Life

The bearing steel construction provides a surface hardness of HRC 58-62, ensuring resistance to wear and deformation under rated loads. Precision ratings from P0 to P2 allow customization based on application requirements—P5 or P4 grades are recommended for machinery with tight dimensional tolerances, while P0 suffices for general industrial use. Vibration classes Z1V1 to Z3V3 further refine performance; Z3V3 is suitable for precision equipment where minimal noise and vibration are critical. Proper lubrication with either grease or oil is essential—grease for maintenance-free operation and oil for high-temperature environments exceeding 120°C.

Why Bearing Quality Directly Affects Total Cost of Ownership

Choosing a low-cost thrust ball bearing may reduce initial expenditure, but the hidden costs of premature failure—unplanned downtime, labor for replacement, and potential damage to adjacent components—often exceed the savings. This 51409 model, manufactured to ISO standards, undergoes rigorous testing including dimensional inspection, hardness testing, and surface finish analysis to ensure consistent performance. By selecting a bearing that meets your load, speed, and precision requirements, you extend equipment life and reduce maintenance intervals, lowering long-term operational costs.

Quality You Can Rely On

Packaging & Shipping

• Standard packaging: Carton boxes with protective inner wrapping, stacked on pallets for bulk orders
• Stock items ship within 24-48 hours of order confirmation
• Shipping options include express courier (DHL, FedEx), air freight, and sea freight based on urgency and destination
• Low minimum order quantity available, supporting both small-scale maintenance and large production runs

Request Pricing for 51409 Thrust Ball Bearings

Whether you need the 51409 model specifically or other sizes in the 51109-51409 series, provide your required quantity, delivery location, and any special packaging or certification needs. Our team will respond with a detailed quote and lead time within 24 hours. For technical assistance in verifying compatibility with your equipment, include your application details or existing bearing part numbers.

Frequently Asked Questions