Manufactured by CHG Bearing, the 021.60.4000 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.

021.60.4000 - Double-Row Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 021.60.4000 |
| Brand | CHG® |
| Gear Type | External Gear |
| 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 |
| Tangential Tooth Force, Normalized Z (×10⁴ N) | 41.5 ×10⁴ N |
| Tangential Tooth Force, Quenched T (×10⁴ N) | 57.4 ×10⁴ N |
| 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 |
| Gear Data | |
| Gear Module m | 22 mm |
| Gear Tip Diameter De | 4395.6 mm |
| Number of Gear Teeth z | 197 |
| Gear Face Width b | 150 mm |
| Addendum Modification Coefficient x | 0.5 |
| Reference Data | |
| Reference Mass (kg) | 4200 kg |
021.60.4000 4278 mm 3722 mm 226 mm 4188 mm 3812 mm Frequently Asked Questions about 021.60.4000 Double-Row Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Beyond standard alloy steel, CHG Bearing can customize the 021.60.4000 Double-Row Ball Slewing Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 021.60.4000. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 021.60.4000, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Yes, 100% of 021.60.4000 Double-Row Ball Slewing Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
