Manufactured by CHG Bearing, the 011.40.2500.12 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.
011.40.2500.12 - Four-Point Contact Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 011.40.2500.12 |
| 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 | 18 mm |
| Gear Tip Diameter De | 2769.7 mm |
| Number of Gear Teeth z | 151 |
| Gear Face Width b | 120 mm |
| Addendum Modification Coefficient x | 0.5 |
| Reference Data | |
| Reference Mass (kg) | 1533 kg |
011.40.2500.12 2678 mm 2610 mm 2325 mm 144 mm 2391 mm Frequently Asked Questions about 011.40.2500.12 Four-Point Contact Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Engineered according to international ISO boundary plans, CHG Bearing supplies 011.40.2500.12 with a precision bore diameter (d) of 2325 mm, an outside diameter (D) of 2678 mm, and a nominal ring width (B) of 144 mm. This configuration yields an effective cross-sectional wall thickness of 176.5 mm and an envelope ratio (D/d) of 1.15, delivering compact rigidity for OEM machinery housings.
For international ocean and air freight, CHG Bearing packs 011.40.2500.12 with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
To safeguard CHG Bearing 011.40.2500.12 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (2325 mm x 2678 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
As standard production, CHG Bearing subjects 011.40.2500.12 to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
