51109 Thrust Ball Bearings
| 51109 Thrust Ball Bearings | |||
|---|---|---|---|
| Part Number | 51109 | Weight(Kg) | 0.140 |
| d | 45 | Dynamic Load Co(N) | 32200 |
| D1 | 65 | Static Load Cor(N) | 71800 |
| B | 14 | Grease Speed | 3000 |
| R | 0.6 | Oil Speed | 4200 |
51108 Thrust Ball Bearing | Bearing Steel, Stainless Steel And Brass Cage
The 51108 single-direction thrust ball bearing is a standard precision axial bearing built for unidirectional pure axial load support in low and medium-speed industrial machinery. Adopting a separable structure with flat raceways and high-precision steel balls, this thrust bearing delivers accurate axial positioning, low friction operation and outstanding dimensional stability for long-cycle continuous use. Different from radial bearings, the 51108 focuses on axial pressure resistance and shaft limiting, effectively eliminating axial play, reducing mechanical vibration and improving overall equipment stability. To fit diverse working environments, it is available in bearing steel and stainless steel body grades, paired with durable brass cages, covering standard wear-resistant, high-temperature, humid and corrosive industrial scenarios.
51108 Material And Cage Performance Differences
Bearing Steel (GCr15): As the mainstream industrial grade, GCr15 bearing steel features high hardness, excellent compression resistance and strong anti-fatigue properties after professional heat treatment. It provides stable load capacity and superior wear resistance under dry, normal-temperature indoor conditions. Cost-effective and highly reliable, bearing steel 51108 thrust bearings are ideal for mass production, conventional mechanical transmission and budget-sensitive industrial projects, serving as the most versatile option for standard industrial applications.
Stainless Steel: Upgraded anti-corrosion grade including 304 and 440 stainless steel materials. 304 stainless steel offers excellent oxidation and rust resistance for sanitary and humid environments, while 440 stainless steel balances high hardness and abrasion resistance. Stainless steel 51108 bearings resist moisture, water splash, weak acid and alkali corrosion, avoiding rust failure common with ordinary bearing steel. They maintain consistent precision in outdoor, marine, food and medical working conditions for long-term durable operation.
Brass Cage: The solid brass cage is a high-performance matching component for 51108 thrust bearings. Compared with ordinary nylon cages, brass cages feature high structural rigidity, strong deformation resistance and outstanding thermal stability, supporting working temperatures up to 250°C. It guides steel balls precisely without jitter or friction loss during heavy-load and long-hour continuous operation, effectively resisting mechanical fatigue and high-temperature aging, perfectly suited for harsh and high-intensity industrial working conditions.
Core Product Advantages
The 51108 thrust ball bearing adopts a detachable modular structure for simple installation, disassembly and routine maintenance. It specializes in unidirectional axial load bearing with high positioning accuracy and ultra-low operational noise. Dual body materials and brass cage configuration achieve full-scene adaptability: bearing steel for general industrial cost performance, stainless steel for anti-rust and corrosion-resistant scenarios. All versions deliver stable pressure resistance, low-friction smooth rotation and extended service life, meeting standardized industrial precision requirements.
Industrial Application Scenarios
51108 thrust ball bearings are widely used for axial support, limiting and pressure bearing in various industrial equipment, including hydraulic machinery, speed reducers, gearbox systems, pump valve equipment, textile machines and printing machinery. Bearing steel with brass cage models are widely applied in high-temperature, heavy-load and long-running industrial production lines. Stainless steel brass cage versions are commonly used in food processing machinery, medical devices, coastal humid equipment and outdoor automation systems, providing reliable, low-maintenance and high-stability axial bearing solutions for modern industrial mechanical systems.
