Manufactured by CHG Bearing, the 020.60.4000 is a precision Double-Row Ball Slewing Bearings. Key dimensional parameters include a 3722 mm bore diameter, a 4278 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.
020.60.4000 - Double-Row Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 020.60.4000 |
| Brand | CHG® |
| Gear Type | Gearless |
| Characteristics | |
| Bearing Type | Double-Row Ball Slewing Bearing |
| Row Configuration | Double Row |
| Dimensions | |
| Bore Diameter (d) | 3722 mm |
| Width (B) | 226 mm |
| Outer Diameter (D) | 4278 mm |
| End-face Height Difference h | 56 mm |
| Number of Lubrication Holes n1 | 10 |
| Ring Height H1 | 214 mm |
| Mounting Hole Diameter Φ | 45 mm |
| Performance | |
| Mounting Hole Count n | 60 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 4188 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 3812 mm |
| Lubrication Port Thread / Size Φ1 | M10×1 |
| Reference Data | |
| Reference Mass (kg) | 4200 kg |
020.60.4000 4278 mm 3722 mm 226 mm 3812 mm 4188 mm Frequently Asked Questions about 020.60.4000 Double-Row Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing 020.60.4000 Double-Row Ball Slewing Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 020.60.4000, FAG 020.60.4000, NSK 020.60.4000. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Quality starts with raw material selection: CHG Bearing crafts 020.60.4000 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.
Model 020.60.4000 is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 3722 mm) and steep thermal gradients between inner and outer rings.
To extend the trouble-free lifespan of CHG Bearing 020.60.4000, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
