Manufactured by CHG Bearing, the 012.50.1800.03 is a precision Four-Point Contact Ball Slewing Bearings. Key dimensional parameters include a 1634 mm bore diameter, a 1964 mm outer diameter, and a 124 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.

012.50.1800.03 - Four-Point Contact Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 012.50.1800.03 |
| 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) | 1634 mm |
| Width (B) | 124 mm |
| Outer Diameter (D) | 1964 mm |
| Number of Lubrication Holes n1 | 4 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 1904 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 1696 mm |
| Lubrication Port Thread / Size Φ1 | 10 |
| Inner Ring Mounting Hole Count n2 | 44 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 30 |
| Outer Ring Mounting Hole Count n3 | 44 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 30 |
| Gear Data | |
| Gear Module m | 16 mm |
| Gear Tip Diameter De | 2048 mm |
| Number of Gear Teeth z | 127 |
| Gear Face Width b | 100 mm |
| Addendum Modification Coefficient x | -0.5 |
| Reference Data | |
| Reference Mass (kg) | 824 kg |
012.50.1800.03 1964 mm 1904 mm 1634 mm 124 mm 1696 mm Frequently Asked Questions about 012.50.1800.03 Four-Point Contact Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Sourcing 012.50.1800.03 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 Four-Point Contact Ball Slewing Bearings.
To safeguard CHG Bearing 012.50.1800.03 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (1634 mm x 1964 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
As standard production, CHG Bearing subjects 012.50.1800.03 to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
Absolutely. The CHG Bearing 012.50.1800.03 Four-Point Contact Ball Slewing Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 012.50.1800.03, FAG 012.50.1800.03, NSK 012.50.1800.03. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
