Manufactured by CHG Bearing, the SJQ3022-ZC-01 is a precision Crossed Roller Slewing Bearings. Key dimensional parameters include a 720 mm bore diameter, a 940 mm outer diameter, and a 120 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.
SJQ3022-ZC-01 - Crossed Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | SJQ3022-ZC-01 |
| Brand | CHG® |
| Gear Type | External Gear |
| Characteristics | |
| Bearing Type | Single-row Crossed Roller Slewing Bearing |
| Row Configuration | Single-row |
| Dimensions | |
| Bore Diameter (d) | 720 mm |
| Width (B) | 120 mm |
| Outer Diameter (D) | 940 mm |
| Inner/Outer Ring Height H1 | 110 mm |
| End-face Height Difference h | 70 mm |
| Number of Lubrication Holes n1 | 4 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 910 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 748 mm |
| Lubrication Port Thread / Size Φ1 | 10 |
| Inner Ring Mounting Hole Count n2 | 12 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 13 |
| Outer Ring Mounting Hole Count n3 | 20 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 15 |
| Reference Data | |
| Reference Mass (kg) | 144 kg |
SJQ3022-ZC-01 940 mm 720 mm 120 mm 910 mm 748 mm Frequently Asked Questions about SJQ3022-ZC-01 Crossed Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
In its sealed configuration (Open Type), CHG Bearing pre-charges SJQ3022-ZC-01 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
Beyond standard alloy steel, CHG Bearing can customize the SJQ3022-ZC-01 Crossed Roller 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.
The CHG Bearing SJQ3022-ZC-01 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for SJQ3022-ZC-01. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
