Manufactured by CHG Bearing, the 1787/1075G2 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 120 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.
1787/1075G2 - Four-Point Contact Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 1787/1075G2 |
| 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) | 120 mm |
| Outer Diameter (D) | 1365 mm |
| Number of Lubrication Holes n1 | 4 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 1310 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 1130 mm |
| Lubrication Port Thread / Size Φ1 | 10 |
| 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 | 1424.9 mm |
| Number of Gear Teeth z | 138 |
| Gear Face Width b | 90 mm |
| Addendum Modification Coefficient x | 1.4 |
| Reference Data | |
| Reference Mass (kg) | 463 kg |
1787/1075G2 1365 mm 1310 mm 1075 mm 120 mm 1130 mm Frequently Asked Questions about 1787/1075G2 Four-Point Contact Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 1787/1075G2, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
To extend the trouble-free lifespan of CHG Bearing 1787/1075G2, 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.
Each 1787/1075G2 produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (1075 mm bore side) ensures perfect planar contact without edge binding.
Engineered according to international ISO boundary plans, CHG Bearing supplies 1787/1075G2 with a precision bore diameter (d) of 1075 mm, an outside diameter (D) of 1365 mm, and a nominal ring width (B) of 120 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.
