Manufactured by CHG Bearing, the 012.60.2500.12 is a precision Four-Point Contact Ball Slewing Bearings. Key dimensional parameters include a 2325 mm bore diameter, a 2678 mm outer diameter, and a 144 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.

012.60.2500.12 - Four-Point Contact Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 012.60.2500.12 |
| 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) | 2325 mm |
| Width (B) | 144 mm |
| Outer Diameter (D) | 2678 mm |
| Number of Lubrication Holes n1 | 8 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 2610 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 2391 mm |
| Lubrication Port Thread / Size Φ1 | 10 |
| Inner Ring Mounting Hole Count n2 | 56 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 33 |
| Outer Ring Mounting Hole Count n3 | 56 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 33 |
| Gear Data | |
| Gear Module m | 20 mm |
| Gear Tip Diameter De | 2780 mm |
| Number of Gear Teeth z | 136 |
| Gear Face Width b | 120 mm |
| Addendum Modification Coefficient x | 0.5 |
| Reference Data | |
| Reference Mass (kg) | 1460 kg |
012.60.2500.12 2678 mm 2610 mm 2325 mm 144 mm 2391 mm Frequently Asked Questions about 012.60.2500.12 Four-Point Contact Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Model 012.60.2500.12 is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 2325 mm) and steep thermal gradients between inner and outer rings.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 012.60.2500.12 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
Sourcing 012.60.2500.12 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.
To match diverse operational dynamics, CHG Bearing supplies 012.60.2500.12 with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
