Description
Key Features & Technical Highlights
| Feature | Description |
| Self-Aligning Design | Compensates for shaft misalignment up to ±2.5° — ideal for heavy-duty mining & agricultural machinery with dynamic loads. |
| Dual-Row Spherical Rollers | Enhanced radial & moderate axial load capacity; superior to standard deep groove bearings in shock-prone environments. |
| Precision Grades Available | P0 to P2 tolerance — ensures smooth rotation, low noise, and extended service life under high-speed operation. |
| Multiple Clearance Options | C0/C3/C4 — optimized thermal expansion management for variable operating temperatures (–30°C to +120°C). |
| Lubrication Flexibility | Compatible with both grease (long-life maintenance) and oil (high-speed cooling) systems. |
| High-Strength Bearing Steel | GCr15 (equivalent to SKF’s standard material) — hardened to HRC 60–64 for exceptional wear resistance. |
| Robust Cage Design | Brass or pressed steel cage (per model variant) — improves roller guidance and reduces friction heat. |
| Proven Application Fit | Widely used in crushers, conveyors, harvesters, balers, and rotary tillers — validated by OEM field testing. |
| Quality Assurance | ISO 9001 certified production; 100% dimensional & hardness inspection; traceable batch documentation. |
| Competitive Edge | Same core specs as SKF 21305 EAE4 — but with faster lead time, custom clearance/lubrication options, and full OEM/ODM support. |
Need technical confirmation or a customized quote? Contact our bearing specialists today — we’ll match your application requirements with the optimal variant (CDE4, CDKE4, CAE4, or CAKE4) and provide CAD drawings, mounting advice, and lifecycle support.







