Manufactured by CHG Bearing, the 13034588 is a precision Four-Point Contact Ball Slewing Bearings. Key dimensional parameters include a 711.2 mm bore diameter, a 835.025 mm outer diameter, and a 57.734 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.

13034588 - Four-Point Contact Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 13034588 |
| Brand | CHG® |
| Gear Type | Gearless |
| Characteristics | |
| Bearing Type | Single-row Four-point Contact Ball Slewing Bearing |
| Row Configuration | Single-row |
| Dimensions | |
| Bore Diameter (d) | 711.2 mm |
| Width (B) | 57.734 mm |
| Outer Diameter (D) | 835.025 mm |
| Number of Lubrication Holes n1 | 1 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 803.275 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 733.425 mm |
| Lubrication Port Thread / Size Φ1 | 1/4-28UNC |
| Inner Ring Mounting Hole Count n2 | 30 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 30 |
| Outer Ring Mounting Hole Count n3 | 10.31 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 10.31 |
| Reference Data | |
| Reference Mass (kg) | 40 kg |
13034588 835.025 mm 711.2 mm 57.734 mm 733.425 mm 803.275 mm Frequently Asked Questions about 13034588 Four-Point Contact Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 13034588. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
In its sealed configuration (Open Type), CHG Bearing pre-charges 13034588 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
To safeguard CHG Bearing 13034588 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (711.2 mm x 835.025 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
To extend the trouble-free lifespan of CHG Bearing 13034588, 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.
