Manufactured by CHG Bearing, the 2797/2680GY is a precision Crossed Roller Slewing Bearings. Key dimensional parameters include a 2680 mm bore diameter, a 3325 mm outer diameter, and a 300 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.
2797/2680GY - Crossed Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 2797/2680GY |
| Brand | CHG® |
| Gear Type | Gearless |
| Characteristics | |
| Bearing Type | Single-row Crossed Roller Slewing Bearing |
| Row Configuration | Single-row |
| Dimensions | |
| Bore Diameter (d) | 2680 mm |
| Width (B) | 300 mm |
| Outer Diameter (D) | 3325 mm |
| Inner/Outer Ring Height H1 | 270 mm |
| End-face Height Difference h | 30 mm |
| Number of Lubrication Holes n1 | 4 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 3242 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 2754 mm |
| Lubrication Port Thread / Size Φ1 | 16 |
| Inner Ring Mounting Hole Count n2 | 48 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 33 |
| Outer Ring Mounting Hole Count n3 | 48 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 33 |
| Gear Data | |
| Gear Module m | 16 mm |
| Gear Tip Diameter De | 2592 mm |
| Number of Gear Teeth z | 164 |
| Gear Face Width b | 180 mm |
| Addendum Modification Coefficient x | 0 |
| Reference Data | |
| Reference Mass (kg) | 6320 kg |
2797/2680GY 3325 mm 2680 mm 300 mm 3242 mm 2754 mm Frequently Asked Questions about 2797/2680GY Crossed Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To safeguard CHG Bearing 2797/2680GY against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (2680 mm x 3325 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Built for demanding industrial environments, the 2797/2680GY Crossed Roller Slewing Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 2797/2680GY. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
For international ocean and air freight, CHG Bearing packs 2797/2680GY 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.
