Manufactured by CHG Bearing, the 020.30.1120 is a precision Double-Row Ball Slewing Bearings. Key dimensional parameters include a 978 mm bore diameter, a 1262 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.
020.30.1120 - Double-Row Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 020.30.1120 |
| Brand | CHG® |
| Gear Type | Gearless |
| Characteristics | |
| Bearing Type | Double-Row Ball Slewing Bearing |
| Row Configuration | Double Row |
| Dimensions | |
| Bore Diameter (d) | 978 mm |
| Width (B) | 124 mm |
| Outer Diameter (D) | 1262 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 | 1218 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 1022 mm |
| Lubrication Port Thread / Size Φ1 | M10×1 |
| Reference Data | |
| Reference Mass (kg) | 340 kg |
020.30.1120 1262 mm 978 mm 124 mm 1022 mm 1218 mm Frequently Asked Questions about 020.30.1120 Double-Row Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Sourcing 020.30.1120 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.
Standard batches of CHG Bearing 020.30.1120 conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
To extend the trouble-free lifespan of CHG Bearing 020.30.1120, 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 020.30.1120, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
