Manufactured by CHG Bearing, the 021.60.3550 is a precision Double-Row Ball Slewing Bearings. Key dimensional parameters include a 3272 mm bore diameter, a 3828 mm outer diameter, and a 226 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.
021.60.3550 - Double-Row Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 021.60.3550 |
| Brand | CHG® |
| Gear Type | External Gear |
| Characteristics | |
| Bearing Type | Double-Row Ball Slewing Bearing |
| Row Configuration | Double Row |
| Dimensions | |
| Bore Diameter (d) | 3272 mm |
| Width (B) | 226 mm |
| Outer Diameter (D) | 3828 mm |
| End-face Height Difference h | 56 mm |
| Number of Lubrication Holes n1 | 8 |
| Ring Height H1 | 214 mm |
| Mounting Hole Diameter Φ | 45 mm |
| Performance | |
| Mounting Hole Count n | 56 |
| Tangential Tooth Force, Normalized Z (×10⁴ N) | 37.7 ×10⁴ N |
| Tangential Tooth Force, Quenched T (×10⁴ N) | 52.2 ×10⁴ N |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 3738 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 3362 mm |
| Lubrication Port Thread / Size Φ1 | M10×1 |
| Gear Data | |
| Gear Module m | 20 mm |
| Gear Tip Diameter De | 3936 mm |
| Number of Gear Teeth z | 194 |
| Gear Face Width b | 150 mm |
| Addendum Modification Coefficient x | 0.5 |
| Reference Data | |
| Reference Mass (kg) | 3700 kg |
021.60.3550 3828 mm 3272 mm 226 mm 3738 mm 3362 mm Frequently Asked Questions about 021.60.3550 Double-Row Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 021.60.3550 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
Built for demanding industrial environments, the 021.60.3550 Double-Row Ball Slewing Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 021.60.3550. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Quality starts with raw material selection: CHG Bearing crafts 021.60.3550 inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
