1. Working Condition Pain Points of Agricultural Machinery
- Severe dust & dirt：Farmland dust, straw, soil, crop debris easily invade bearings.
- Water & corrosion：Rainwater, dew, irrigation water cause rust and early failure.
- Installation misalignment：Agricultural equipment has rough assembly, large shaft misalignment error.
- Strong vibration & impact load：Field operation bumpy, frequent impact and vibration.
- Long-time continuous operation：Harvesting and sowing seasons run non-stop, high requirement for stability.
- Difficult daily maintenance：Outdoor working environment, inconvenient frequent lubrication and replacement.
2. Outer Spherical Bearing Unit Solution for Agricultural Machinery
Core Advantages
- Excellent self-aligning performanceSpherical outer ring matches cast iron housing, automatically compensates installation misalignment, adapts to rough assembly of agricultural machinery, avoids shaft jamming and abnormal heating.
- Super dustproof & waterproof sealingAdopt double lip rubber sealing + inner dust-proof cover, effectively isolate dust, mud, straw debris, rainwater and dew, prevent grease leakage and impurity entering.
- Anti-vibration & anti-loosening structureReinforced inner ring, with set screw or eccentric locking structure, firmly locks the shaft, not easy to loose under long-term vibration and bumpy road conditions.
- Rust & wear resistanceSpecial heat treatment and surface anti-rust treatment, strong wear resistance and corrosion resistance, suitable for all-weather farmland outdoor operation.
- Integrated unit, easy installation & replacementBearing + housing integrated design, no need to match accessories, plug and play, greatly save installation and maintenance time.
3. Main Application Equipment & Recommended Models
| Agricultural Machinery Type | Recommended Bearing Model | Common Shaft Diameter |
|---|---|---|
| Harvester / Rice Harvester | UCP205 UCP206 UCP207 | 25mm 30mm 35mm |
| Seeder / Planter | UCP204 UCF204 UCF205 | 20mm 25mm |
| Tractor & Auxiliary Parts | UCP208 UCP209 | 40mm 45mm |
| Straw Crusher / Returning Machine | UCP207 UCP208 | 35mm 40mm |
| Grain Dryer / Conveyor | UCT205 UCT206 | 25mm 30mm |
| Feed Mixer / Farm Conveyor | UCP210 UCF208 | 50mm 40mm |
4. Installation & Maintenance Tips
- Keep the shaft and mounting seat clean, remove soil, burrs before installation.
- Moderately lock the set screw or eccentric sleeve to prevent slipping caused by vibration.
- Regularly check sealing condition, avoid mud accumulation at the bearing position.
- Supplementary high-quality agricultural machinery special grease every 6–12 months.
- Replace in time if there is abnormal noise, heating or rotation jamming.
5. Advantage Comparison vs Ordinary Bearings
| Item | Outer Spherical Bearing Unit | Ordinary Bearing + Separated Seat |
|---|---|---|
| Dustproof & Waterproof | Double seal, strong protection | Poor sealing, easy to enter mud |
| Self-aligning Ability | Automatic compensation for misalignment | Strict installation alignment required |
| Anti-vibration Performance | Anti-loosening structure, suitable for bumpy operation | Easy to loose and run inner ring |
| Installation | Integrated one-piece, fast install | Complicated assembly and debugging |
| Service Life | Long life adapted to farmland harsh environment | Short service life, frequent replacement |