Manufactured by CHG Bearing, the 111.25.770.03K is a precision Crossed Roller Slewing Bearings. Key dimensional parameters include a 674 mm bore diameter, a 853 mm outer diameter, and a 70 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.
111.25.770.03K - Crossed Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 111.25.770.03K |
| Brand | CHG® |
| Gear Type | External Gear |
| Characteristics | |
| Bearing Type | Single-row Crossed Roller Slewing Bearing |
| Row Configuration | Single-row |
| Dimensions | |
| Bore Diameter (d) | 674 mm |
| Width (B) | 70 mm |
| Outer Diameter (D) | 853 mm |
| Inner/Outer Ring Height H1 | 60 mm |
| End-face Height Difference h | 59 mm |
| Number of Lubrication Holes n1 | 2 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 825 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 709 mm |
| Lubrication Port Thread / Size Φ1 | ZG 1/8 |
| Inner Ring Mounting Hole Count n2 | 24 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 18 |
| Outer Ring Mounting Hole Count n3 | 34 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 18 |
| Gear Data | |
| Gear Module m | 7 mm |
| Gear Tip Diameter De | 875 mm |
| Number of Gear Teeth z | 125 |
| Gear Face Width b | 50 mm |
| Addendum Modification Coefficient x | 0 |
| Reference Data | |
| Reference Mass (kg) | 101 kg |
111.25.770.03K 853 mm 674 mm 70 mm 825 mm 709 mm Frequently Asked Questions about 111.25.770.03K Crossed Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing 111.25.770.03K Crossed Roller Slewing Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 111.25.770.03K, FAG 111.25.770.03K, NSK 111.25.770.03K. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Sourcing 111.25.770.03K directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Crossed Roller Slewing Bearings.
When fitting 111.25.770.03K over a 674 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
Engineered according to international ISO boundary plans, CHG Bearing supplies 111.25.770.03K with a precision bore diameter (d) of 674 mm, an outside diameter (D) of 853 mm, and a nominal ring width (B) of 70 mm. This configuration yields an effective cross-sectional wall thickness of 89.5 mm and an envelope ratio (D/d) of 1.27, delivering compact rigidity for OEM machinery housings.
