Manufactured by CHG Bearing, the 1787/800G is a precision Four-Point Contact Ball Slewing Bearings. Key dimensional parameters include a 800 mm bore diameter, a 1050 mm outer diameter, and a 90 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.
1787/800G - Four-Point Contact Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 1787/800G |
| 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) | 800 mm |
| Width (B) | 90 mm |
| Outer Diameter (D) | 1050 mm |
| Number of Lubrication Holes n1 | 3 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 1012 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 838 mm |
| Lubrication Port Thread / Size Φ1 | 10 |
| Inner Ring Mounting Hole Count n2 | 30 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 20 |
| Outer Ring Mounting Hole Count n3 | 30 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 20 |
| Gear Data | |
| Gear Module m | 6 mm |
| Gear Tip Diameter De | 1092 mm |
| Number of Gear Teeth z | 180 |
| Gear Face Width b | 60 mm |
| Addendum Modification Coefficient x | 0 |
| Reference Data | |
| Reference Mass (kg) | 217 kg |
1787/800G 1050 mm 1012 mm 800 mm 90 mm 838 mm Frequently Asked Questions about 1787/800G Four-Point Contact Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Sourcing 1787/800G 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 Four-Point Contact Ball Slewing Bearings.
Engineered according to international ISO boundary plans, CHG Bearing supplies 1787/800G with a precision bore diameter (d) of 800 mm, an outside diameter (D) of 1050 mm, and a nominal ring width (B) of 90 mm. This configuration yields an effective cross-sectional wall thickness of 125.0 mm and an envelope ratio (D/d) of 1.31, delivering compact rigidity for OEM machinery housings.
When fitting 1787/800G over a 800 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
To extend the trouble-free lifespan of CHG Bearing 1787/800G, 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.
