F9-20 Thrust Ball Bearings
| F9-20 Thrust Ball Bearings | |||
|---|---|---|---|
| Part Number | F9-20 | Weight(Kg) | 0.0019 |
| d | 9 | Dynamic Load Co(N) | 3500 |
| D1 | 20 | Static Load Cor(N) | 3800 |
| B | 7 | Grease Speed | 7300 |
| R | 0.3 | Oil Speed | 9900 |
F9-20 Thrust Ball Bearing | Brass Cage, Bearing Steel And Stainless Steel
The F9-20 miniature single-direction thrust ball bearing is a compact high-precision axial bearing for low-speed miniature mechanical assemblies. Built with a separable lightweight structure and fine precision steel balls, it provides accurate axial positioning, ultra-low friction and stable long-term operation. It reduces shaft micro play and vibration, ensuring consistent precision for small mechanical devices. Available in bearing steel and stainless steel with premium brass cages, this micro bearing performs reliably in dry, slightly humid and precision working environments.
Material Differences: Bearing Steel vs Stainless Steel
Bearing Steel (GCr15): GCr15 bearing steel is the cost-effective standard material for F9-20 micro thrust bearings. Heat-treated for high hardness, stable compression resistance and great fatigue resistance, it delivers steady load capacity and wear resistance under normal dry conditions. It is the ideal choice for general precision instruments, small transmission parts and conventional miniature machinery.
Stainless Steel: Stainless steel F9-20 bearings feature excellent rust, oxidation and weak corrosion resistance. They resist moisture, humid air and minor contamination to preserve bearing precision and avoid corrosion damage. Suitable for sanitary, damp and mild outdoor conditions, they are widely used in miniature medical devices, precision instruments and small automation accessories.
Brass Cage Advantage
F9-20 thrust bearings adopt high-precision solid brass cages. Compared with plastic cages, brass cages offer higher rigidity, better thermal stability and accurate steel ball guidance. They enable uniform ball movement, lower micro friction and operating noise, and resist aging and minor deformation during continuous operation, improving overall stability and service life of miniature precision systems.
Product Features
Compact detachable structure for simple installation and replacement. Stable unidirectional axial load capacity with smooth, low-noise operation. Dual material options cover economical standard use and anti-corrosion sanitary applications. High-strength brass cage guarantees long-lasting precision and durability for micro machinery.
Application Scenarios
F9-20 miniature thrust ball bearings are commonly used for axial support and limit positioning in precision instruments, small gear assemblies, micro hydraulic parts, electronic devices and miniature automation equipment. Bearing steel versions fit standard indoor machinery, while stainless steel models are perfect for medical miniature tools, sanitary devices and humid-environment micro machinery.
