Manufactured by CHG Bearing, the 011.20.1097.03 is a precision Four-Point Contact Ball Slewing Bearings. Key dimensional parameters include a 984 mm bore diameter, a mm outer diameter, and a 56 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.

011.20.1097.03 - Four-Point Contact Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 011.20.1097.03 |
| 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) | 984 mm |
| Width (B) | 56 mm |
| Number of Lubrication Holes n1 | 4 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 1135 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 1012 mm |
| Lubrication Port Thread / Size Φ1 | 6 |
| Inner Ring Mounting Hole Count n2 | 40 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 18 |
| Outer Ring Mounting Hole Count n3 | 44 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 12 |
| Gear Data | |
| Gear Module m | 8 mm |
| Gear Tip Diameter De | 1198.4 mm |
| Number of Gear Teeth z | 148 |
| Gear Face Width b | 45.5 mm |
| Addendum Modification Coefficient x | 0 |
| Reference Data | |
| Reference Mass (kg) | 83.4 kg |
011.20.1097.03 mm 1135 mm 984 mm 56 mm 1012 mm Frequently Asked Questions about 011.20.1097.03 Four-Point Contact Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To safeguard CHG Bearing 011.20.1097.03 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (984 mm x mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 011.20.1097.03, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
In its sealed configuration (Open Type), CHG Bearing pre-charges 011.20.1097.03 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.
The CHG Bearing 011.20.1097.03 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
