SI8 Spherical Plain Bearings
| SI8 Spherical Plain Bearings | |||
|---|---|---|---|
| Part Number | SI8T/K | L5 | 5 |
| d | 8 | d4 | 12.5 |
| D | M8*1.25 | d5 | 16 |
| W | 14 | dk | 15.875 |
| B | 12 | L3 | 12 |
| C1 | 9 | a°≈ | 14 |
| h | 36 | Dynamic Load Co(N) | 7200 |
| d2 | 24 | Static Load Cor(N) | 1160 |
| L | 48 | Weight(Kg) | 0.047 |
SI8 Spherical Plain Bearing | SI8T / SI8K Stainless And Steel Types
The SI8 spherical plain bearing is a high-precision rod end joint bearing designed for light and medium-duty automation and mechanical systems. It offers flexible multi-directional oscillation, excellent self-aligning performance and stable low-friction motion. Supplied in SI8T and SI8K models with bearing steel and stainless steel options, this bearing provides durable and cost-effective motion solutions for general industrial and precision equipment.
SI8T vs SI8K | Model Differences
SI8T (Teflon Lined Type): Features a built-in PTFE liner with excellent self-lubricating properties. It delivers ultra-low friction and supports dry operation without regular grease filling, making it ideal for clean, dry workshops and maintenance-free precision machinery.
SI8K (Open Lubrication Type): Adopts a standard open groove structure for easy grease injection and fast heat dissipation. With proper lubrication, it ensures stable wear resistance and consistent load capacity, suitable for long-cycle continuous operation and general light to medium industrial applications.
Material Introduction
Bearing Steel: Made of high-grade chromium bearing steel with professional heat treatment. It provides high surface hardness, strong wear resistance and stable structural rigidity, ensuring long service life for standard indoor industrial environments.
Stainless Steel: High-quality stainless steel features excellent rustproof, waterproof and anti-corrosion performance. It reliably operates in humid, dusty and corrosive conditions, ideal for outdoor, medical, food processing and precision electronic equipment.
Product Features
Compact standard structure for easy installation and replacement. Reliable self-aligning ability to compensate for mounting deviation. Smooth multi-angle swing movement with low friction loss. Dual structure and material options adapt to various working scenarios. High precision and stable long-term operation.
Application Scenarios
SI8 spherical plain bearings are widely used in automated machinery, small robotic arms, textile equipment, precision instruments, medical devices and general mechanical transmission structures. SI8T is perfect for clean maintenance-free scenarios; SI8K suits conventional lubricated working conditions, and stainless steel versions are applicable for humid and corrosive environments.
