Manufactured by CHG Bearing, the 021.30.1000 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.
021.30.1000 - Double-Row Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 021.30.1000 |
| Brand | CHG® |
| Gear Type | External Gear |
| 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 |
| Tangential Tooth Force, Normalized Z (×10⁴ N) | 10 ×10⁴ N |
| Tangential Tooth Force, Quenched T (×10⁴ N) | 14 ×10⁴ N |
| 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 |
| Gear Data | |
| Gear Module m | 10 mm |
| Gear Tip Diameter De | 1198 mm |
| Number of Gear Teeth z | 117 |
| Gear Face Width b | 80 mm |
| Addendum Modification Coefficient x | 0.5 |
| Reference Data | |
| Reference Mass (kg) | 300 kg |
021.30.1000 1142 mm 858 mm 124 mm 1098 mm 902 mm Frequently Asked Questions about 021.30.1000 Double-Row Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 021.30.1000, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
When fitting 021.30.1000 over a 858 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
Quality starts with raw material selection: CHG Bearing crafts 021.30.1000 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.
Built for demanding industrial environments, the 021.30.1000 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.
