Manufactured by CHG Bearing, the 011.25.720.12 is a precision Four-Point Contact Ball Slewing Bearings. Key dimensional parameters include a 620 mm bore diameter, a 820 mm outer diameter, and a 80 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.
011.25.720.12 - Four-Point Contact Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 011.25.720.12 |
| Brand | CHG® |
| Gear Type | External Gear |
| Characteristics | |
| Bearing Type | Single-row Four-point Contact Ball Slewing Bearing |
| Row Configuration | Single-row |
| Dimensions | |
| Bore Diameter (d) | 620 mm |
| Width (B) | 80 mm |
| Outer Diameter (D) | 820 mm |
| Number of Lubrication Holes n1 | 3 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 780 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 660 mm |
| Lubrication Port Thread / Size Φ1 | 10 |
| Inner Ring Mounting Hole Count n2 | 18 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 18 |
| Outer Ring Mounting Hole Count n3 | 18 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 16 |
| Gear Data | |
| Gear Module m | 6 mm |
| Gear Tip Diameter De | 860.3 mm |
| Number of Gear Teeth z | 139 |
| Gear Face Width b | 60 mm |
| Addendum Modification Coefficient x | 1.4 |
| Reference Data | |
| Reference Mass (kg) | 130 kg |
011.25.720.12 820 mm 780 mm 620 mm 80 mm 660 mm Frequently Asked Questions about 011.25.720.12 Four-Point Contact Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To ensure optimum performance of CHG Bearing 011.25.720.12 Four-Point Contact Ball Slewing Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 620 mm bore. For the 820 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
Beyond standard alloy steel, CHG Bearing can customize the 011.25.720.12 Four-Point Contact 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 011.25.720.12. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Sourcing 011.25.720.12 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 Four-Point Contact Ball Slewing Bearings.
