Heavy-Duty Square & Hex Bore Agricultural Bearing (GW209 / 205KRRB)
Triple-lip sealed deep groove ball bearing engineered for high radial tillage shock loads and dust exclusion
Integrated heavy-duty 5-bolt flange bearing hub with cassette triple-lip seal for severe field tillage
Designed to operate continuously without relubrication in severe mud, abrasive sand, liquid fertilizer, and rocky tillage conditions. Incorporates a specialized multi-lip cassette seal with integral steel flinger deflectors that lock out water and slurry, delivering an operational service life exceeding 100,000 hectares.
28077800280779005554502AH16773934630405Z11404| Dynamic Load Rating (Cr) | 58.5 kN |
|---|---|
| Static Load Rating (Cor) | 44.0 kN |
| Bolt Circle Diameter (PCD) | 98 mm / 100 mm / 120 mm (5-Hole Pattern) |
| Sealing Technology | Multi-stage cassette seal with outer labyrinth armor |
| Operating Temperature | -30°C to +120°C |
| Unit Weight | 3.85 kg |
| Hardness Range | Bearing Rings & Balls HRC 60-64 |
| Quality Inspection Standard | ISO 9001:2015 · EN 10204 3.1 Spectrometer & 100% CMM Dimensional Check |
OEM part numbers (28077800, 28077900, 5554502, AH167739, 34630405, Z11404) and brand names are referenced solely to verify dimensional interchangeability. Need custom bore, bolt pattern, or private-label laser marking? Explore our OEM Custom Tooling capabilities →
Every batch is treated with VCI vapor corrosion inhibitor oil, sealed inside anti-humidity polyethylene barrier bags, and palletized in fumigated ISPM-15 solid plywood crates with distributor barcode labels.
We ship FOB Qingdao / Shanghai / Ningbo, CIF major agricultural import ports, and DDP door-to-warehouse. Combine chopper knives, bearings, tillage blades, and PTO parts in a single mixed 20GP/40HQ container.