51405 Thrust Ball Bearings
| 51405 Thrust Ball Bearings | |||
|---|---|---|---|
| Part Number | 51405 | Weight(Kg) | 0.340 |
| d | 25 | Dynamic Load Co(N) | 55500 |
| D1 | 60 | Static Load Cor(N) | 89500 |
| B | 24 | Grease Speed | 2600 |
| R | 1 | Oil Speed | 3900 |
51405 Thrust Ball Bearing | Brass Cage, Bearing Steel And Stainless Steel
The 51405 single direction thrust ball bearing is a heavy-duty axial bearing designed to withstand large unidirectional axial loads for low-speed industrial equipment. With a separable structure, thickened raceway design and premium steel balls, the 51405 bearing provides precise axial positioning, low friction operation and outstanding running stability. It effectively reduces shaft vibration and axial clearance, ensuring reliable performance under continuous heavy-load working conditions. This model is available in bearing steel and stainless steel versions, all equipped with high-strength brass cages for harsh industrial environments.
Material Differences: Bearing Steel vs Stainless Steel
Bearing Steel (GCr15): GCr15 bearing steel is the standard and cost-effective material for 51405 thrust bearings. After precision heat treatment, it features high hardness, strong pressure resistance and excellent anti-fatigue performance. It maintains stable wear resistance and load capacity under normal temperature, dry and heavy-load conditions. Ideal for general industrial machinery, transmission equipment and conventional heavy-duty applications.
Stainless Steel: Stainless steel 51405 bearings offer superior rustproof, oxidation and weak corrosion resistance. They effectively resist moisture, humid air and water splashes, preventing precision failure and surface rust. Suitable for sanitary, damp, coastal and outdoor working environments, widely used for food machinery, medical equipment and marine automation devices.
Brass Cage Advantage
All 51405 thrust bearings adopt high-quality brass cages. Compared with nylon and steel cages, brass cages feature higher rigidity, better thermal stability and stronger deformation resistance, supporting continuous operation up to 250°C. The brass cage guides steel balls evenly, reduces friction and operating noise, and avoids aging and fatigue under long-cycle heavy loads. It greatly improves bearing stability and service life in high-temperature and harsh working conditions.
Product Features
Detachable structure for easy installation and maintenance; excellent unidirectional axial load capacity, low noise and stable operation. Dual material options meet economical general use and anti-corrosion sanitary use. High-strength brass cage ensures long-term durability and high precision for heavy-duty industrial operation.
Application Scenarios
51405 thrust ball bearings are widely used for axial support and limit positioning in heavy gearboxes, industrial reducers, hydraulic systems, pump valves and textile machinery. Bearing steel brass cage models apply to high-temperature and heavy-load production lines, while stainless steel brass cage versions fit food processing machinery, medical precision equipment, coastal humid facilities and outdoor automation systems.
