Manufactured by CHG Bearing, the 1797/3230G2 is a precision Crossed Roller Slewing Bearings. Key dimensional parameters include a 3230 mm bore diameter, a 3970 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.

1797/3230G2 - Crossed Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 1797/3230G2 |
| 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) | 3970 mm |
| Inner/Outer Ring Height H1 | 220 mm |
| End-face Height Difference h | 20 mm |
| Number of Lubrication Holes n1 | 9 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 3820 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 3350 mm |
| Lubrication Port Thread / Size Φ1 | 12 |
| Inner Ring Mounting Hole Count n2 | 54 |
| 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 |
1797/3230G2 3970 mm 3230 mm 240 mm 3820 mm 3350 mm Frequently Asked Questions about 1797/3230G2 Crossed Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To extend the trouble-free lifespan of CHG Bearing 1797/3230G2, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
To match diverse operational dynamics, CHG Bearing supplies 1797/3230G2 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.
Engineered according to international ISO boundary plans, CHG Bearing supplies 1797/3230G2 with a precision bore diameter (d) of 3230 mm, an outside diameter (D) of 3970 mm, and a nominal ring width (B) of 240 mm. This configuration yields an effective cross-sectional wall thickness of 370.0 mm and an envelope ratio (D/d) of 1.23, delivering compact rigidity for OEM machinery housings.
To safeguard CHG Bearing 1797/3230G2 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (3230 mm x 3970 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
