Manufactured by CHG Bearing, the 1797/3230G2Y is a precision Crossed Roller Slewing Bearings. Key dimensional parameters include a 3230 mm bore diameter, a 4100 mm outer diameter, and a 240 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.

1797/3230G2Y - Crossed Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 1797/3230G2Y |
| Brand | CHG® |
| Gear Type | Gearless |
| Characteristics | |
| Bearing Type | Single-row Crossed Roller Slewing Bearing |
| Row Configuration | Single-row |
| Dimensions | |
| Bore Diameter (d) | 3230 mm |
| Width (B) | 240 mm |
| Outer Diameter (D) | 4100 mm |
| Inner/Outer Ring Height H1 | 220 mm |
| End-face Height Difference h | 20 mm |
| Number of Lubrication Holes n1 | 4 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 3820 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 3380 mm |
| Lubrication Port Thread / Size Φ1 | 12 |
| Inner Ring Mounting Hole Count n2 | 36 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 37 |
| Outer Ring Mounting Hole Count n3 | 52 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 37 |
| Gear Data | |
| Gear Module m | 25 mm |
| Gear Tip Diameter De | 4100 mm |
| Number of Gear Teeth z | 162 |
| Gear Face Width b | 200 mm |
| Addendum Modification Coefficient x | 0 |
| Reference Data | |
| Reference Mass (kg) | 7613 kg |
1797/3230G2Y 4100 mm 3230 mm 240 mm 3820 mm 3380 mm Frequently Asked Questions about 1797/3230G2Y Crossed Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing 1797/3230G2Y Crossed Roller Slewing Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 1797/3230G2Y, FAG 1797/3230G2Y, NSK 1797/3230G2Y. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Sourcing 1797/3230G2Y 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 Crossed Roller Slewing Bearings.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 1797/3230G2Y 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.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 1797/3230G2Y. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
