Manufactured by CHG Bearing, the 111.28.800.12 is a precision Crossed Roller Slewing Bearings. Key dimensional parameters include a 678 mm bore diameter, a 922 mm outer diameter, and a 82 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.
111.28.800.12 - Crossed Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 111.28.800.12 |
| Brand | CHG® |
| Gear Type | External Gear |
| Characteristics | |
| Bearing Type | Single-row Crossed Roller Slewing Bearing |
| Row Configuration | Single-row |
| Dimensions | |
| Bore Diameter (d) | 678 mm |
| Width (B) | 82 mm |
| Outer Diameter (D) | 922 mm |
| Inner/Outer Ring Height H1 | 72 mm |
| End-face Height Difference h | 10 mm |
| Number of Lubrication Holes n1 | 6 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 878 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 722 mm |
| Lubrication Port Thread / Size Φ1 | 10 |
| Inner Ring Mounting Hole Count n2 | 30 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 22 |
| Outer Ring Mounting Hole Count n3 | 30 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 22 |
| Gear Data | |
| Gear Module m | 8 mm |
| Gear Tip Diameter De | 968 mm |
| Number of Gear Teeth z | 632 |
| Gear Face Width b | 65 mm |
| Addendum Modification Coefficient x | 0.5 |
| Reference Data | |
| Reference Mass (kg) | 161 kg |
111.28.800.12 922 mm 678 mm 82 mm 878 mm 722 mm Frequently Asked Questions about 111.28.800.12 Crossed Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing 111.28.800.12 Crossed Roller Slewing Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 111.28.800.12, FAG 111.28.800.12, NSK 111.28.800.12. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Engineered according to international ISO boundary plans, CHG Bearing supplies 111.28.800.12 with a precision bore diameter (d) of 678 mm, an outside diameter (D) of 922 mm, and a nominal ring width (B) of 82 mm. This configuration yields an effective cross-sectional wall thickness of 122.0 mm and an envelope ratio (D/d) of 1.36, delivering compact rigidity for OEM machinery housings.
For international ocean and air freight, CHG Bearing packs 111.28.800.12 with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 111.28.800.12 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
