Manufactured by CHG Bearing, the 6397/2590K is a precision Three-row Cylindrical Roller Slewing Bearings. Key dimensional parameters include a 2590 mm bore diameter, a 3006 mm outer diameter, and a 314 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.
6397/2590K - Three-row Cylindrical Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 6397/2590K |
| Brand | CHG® |
| Gear Type | External Gear |
| Characteristics | |
| Bearing Type | Three-row Cylindrical Roller Slewing Bearing |
| Row Configuration | Three-row |
| Dimensions | |
| Bore Diameter (d) | 2590 mm |
| Width (B) | 314 mm |
| Outer Diameter (D) | 3006 mm |
| Inner/Outer Ring Height H1 | 200 mm |
| End-face Height Difference h | 55 mm |
| Number of Lubrication Holes n1 | 8 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 3845 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 3560 mm |
| Lubrication Port Thread / Size Φ1 | ZG1/4 |
| Inner Ring Mounting Hole Count n2 | 80 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 26 |
| Outer Ring Mounting Hole Count n3 | 80 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | M24 |
| Gear Data | |
| Gear Module m | 24 mm |
| Gear Tip Diameter De | 4027.2 mm |
| Number of Gear Teeth z | 165 |
| Gear Face Width b | 175 mm |
| Addendum Modification Coefficient x | 0.5 |
| Reference Data | |
| Reference Mass (kg) | 3980 kg |
6397/2590K 3006 mm 2590 mm 3845 mm 3560 mm 314 mm Frequently Asked Questions about 6397/2590K Three-row Cylindrical Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Sourcing 6397/2590K 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 Three-row Cylindrical Roller Slewing Bearings.
For international ocean and air freight, CHG Bearing packs 6397/2590K 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 6397/2590K, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Engineered according to international ISO boundary plans, CHG Bearing supplies 6397/2590K with a precision bore diameter (d) of 2590 mm, an outside diameter (D) of 3006 mm, and a nominal ring width (B) of 314 mm. This configuration yields an effective cross-sectional wall thickness of 208.0 mm and an envelope ratio (D/d) of 1.16, delivering compact rigidity for OEM machinery housings.
