Manufactured by CHG Bearing, the 020.30.1000 is a precision Double-Row Ball Slewing Bearings. Key dimensional parameters include a 858 mm bore diameter, a 1142 mm outer diameter, and a 124 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.

020.30.1000 - Double-Row Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 020.30.1000 |
| Brand | CHG® |
| Gear Type | Gearless |
| Characteristics | |
| Bearing Type | Double-Row Ball Slewing Bearing |
| Row Configuration | Double Row |
| Dimensions | |
| Bore Diameter (d) | 858 mm |
| Width (B) | 124 mm |
| Outer Diameter (D) | 1142 mm |
| End-face Height Difference h | 29 mm |
| Number of Lubrication Holes n1 | 6 |
| Ring Height H1 | 114 mm |
| Mounting Hole Diameter Φ | 22 mm |
| Performance | |
| Mounting Hole Count n | 36 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 1098 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 902 mm |
| Lubrication Port Thread / Size Φ1 | M10×1 |
| Reference Data | |
| Reference Mass (kg) | 300 kg |
020.30.1000 1142 mm 858 mm 124 mm 902 mm 1098 mm Frequently Asked Questions about 020.30.1000 Double-Row Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Model 020.30.1000 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 858 mm) and steep thermal gradients between inner and outer rings.
Sourcing 020.30.1000 directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Double-Row Ball Slewing Bearings.
To ensure optimum performance of CHG Bearing 020.30.1000 Double-Row Ball Slewing Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 858 mm bore. For the 1142 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
For international ocean and air freight, CHG Bearing packs 020.30.1000 with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
