F2.5-7 Thrust Ball Bearings
| F2.5-7 Thrust Ball Bearings | |||
|---|---|---|---|
| Part Number | F2.5-7 | Weight(Kg) | 0.0009 |
| d | 2.5 | Dynamic Load Co(N) | 920 |
| D1 | 7 | Static Load Cor(N) | 680 |
| B | 3.5 | Grease Speed | 15000 |
| R | 0.15 | Oil Speed | 17000 |
F2.5-7 Thrust Ball Bearing | Brass Cage, Bearing Steel And Stainless Steel
The F2.5-7 miniature single-direction thrust ball bearing is a compact high-precision axial bearing tailored for small low-speed mechanical assemblies. Featuring a separable lightweight structure and fine precision steel balls, it provides accurate axial positioning, ultra-low friction and consistent long-cycle operation. It effectively minimizes shaft play and micro vibration, stabilizing the operation of miniature precision machinery. Offered in bearing steel and stainless steel grades with premium brass cages, this micro bearing fits dry, mildly humid and precision industrial working environments.
Material Differences: Bearing Steel vs Stainless Steel
Bearing Steel (GCr15): GCr15 bearing steel is the standard cost-effective material for F2.5-7 micro thrust bearings. Through professional heat treatment, it achieves high hardness, stable compression resistance and excellent anti-fatigue performance. It retains reliable load capacity and wear resistance under normal dry indoor conditions, making it ideal for general precision instruments, small transmission components and conventional miniature mechanical equipment.
Stainless Steel: Stainless steel F2.5-7 bearings deliver superior rust-proof, oxidation and weak corrosion resistance. They effectively resist moisture, humid air and slight contamination, protecting bearing precision and preventing corrosion damage. Suitable for sanitary, damp and mild outdoor scenarios, they are widely applied in miniature medical devices, precision instruments and small automation accessories.
Brass Cage Advantage
F2.5-7 thrust bearings adopt high-precision solid brass cages. Compared with ordinary plastic cages, brass cages feature higher structural rigidity, excellent thermal stability and precise steel ball guidance. They ensure uniform ball operation, reduce micro friction and running noise, and resist aging and minor deformation during long-term continuous operation. The brass cage significantly enhances operational stability and service life for miniature precision mechanical systems.
Product Features
Mini compact size with detachable structure for easy installation and replacement. Supports stable unidirectional axial load with smooth, low-noise precision operation. Dual material options cover economical standard use and anti-corrosion sanitary precision scenarios. High-rigidity brass cage guarantees lasting accuracy and excellent durability for micro machinery applications.
Application Scenarios
F2.5-7 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 machinery. Bearing steel brass cage models apply to conventional indoor precision equipment, while stainless steel brass cage versions are perfect for miniature medical tools, sanitary precision devices and micro machinery in humid environments.
