MERYDOM PRODUCT
Double Row Ball Slewing Bearing
Double-row ball design for increased load support.
Double Row Ball Slewing BearingsDouble-row ballExternal Gear42CrMo / 50Mn
Product Overview
Double-row ball slewing bearings are suitable for equipment requiring higher axial, radial, or moment load capacity than a single-row ball structure can provide.
| Structure | Double-row ball |
|---|---|
| Gear type | External Gear |
| Material | 42CrMo / 50Mn |
| Outer diameter range | OD 500–3500 mm by drawing |
| Precision / tolerance | Manufactured according to drawing and application review |
| Heat treatment | Raceway induction hardening; gear hardening available |
| Surface treatment | Anti-rust oil, painting, zinc plating, powder coating by project |
| Lead time | 40–60 days depending on size and process route |
| Drawing requirements | Complete bearing drawing, load requirements, bolt data, gear data, and application information |
| Rolling element | Two rows of steel balls |
| Load support | Higher capacity than single-row ball |
| Typical use | Larger and heavier rotating equipment |
| Documents | Inspection report and packing data by request |
Technical Features
- Improved load capacity
- Custom gear and mounting dimensions
- Suitable for OEM equipment and replacement by drawing
- Quality route can include material, hardness, dimension and final rotation checks
Typical Applications
Cranes, loading equipment, construction machinery, industrial rotating platforms, and heavier rotating systems.
Quality Control Points
- Material and heat treatment records
- Raceway hardness inspection
- Mounting hole and gear inspection
- Final assembly and rotation test
Engineering Notes
This product record is a structured starting point. Add project photos, drawing notes, dimensions, tolerance requirements, and customer-specific engineering notes here.
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