Manufactured by CHG Bearing, the 1787/1075K is a precision Four-Point Contact Ball Slewing Bearings. Key dimensional parameters include a 1075 mm bore diameter, a 1365 mm outer diameter, and a 130 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.

1787/1075K - Four-Point Contact Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 1787/1075K |
| 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) | 1075 mm |
| Width (B) | 130 mm |
| Outer Diameter (D) | 1365 mm |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 1310 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 1130 mm |
| Inner Ring Mounting Hole Count n2 | 36 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 24 |
| Outer Ring Mounting Hole Count n3 | 36 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 24 |
| Gear Data | |
| Gear Module m | 10 mm |
| Gear Tip Diameter De | 1420 mm |
| Number of Gear Teeth z | 140 |
| Gear Face Width b | 120 mm |
| Addendum Modification Coefficient x | 0 |
| Reference Data | |
| Reference Mass (kg) | 550 kg |
1787/1075K 1365 mm 1310 mm 1075 mm 130 mm 1130 mm Frequently Asked Questions about 1787/1075K Four-Point Contact Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Engineered according to international ISO boundary plans, CHG Bearing supplies 1787/1075K with a precision bore diameter (d) of 1075 mm, an outside diameter (D) of 1365 mm, and a nominal ring width (B) of 130 mm. This configuration yields an effective cross-sectional wall thickness of 145.0 mm and an envelope ratio (D/d) of 1.27, delivering compact rigidity for OEM machinery housings.
Every production batch of CHG Bearing 1787/1075K Four-Point Contact Ball Slewing Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
To extend the trouble-free lifespan of CHG Bearing 1787/1075K, 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.
Absolutely. The CHG Bearing 1787/1075K Four-Point Contact Ball Slewing Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 1787/1075K, FAG 1787/1075K, NSK 1787/1075K. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
