Wind Turbine Pitch Bearings
Wind Turbine Pitch Bearings from KGL Machining offer superior quality and fast delivery. Our custom solutions address common issues like inconsistent quality

General Industrial Components
The material of the wind turbine pitch bearings is alloy steel for the rings. After tempering and medium-frequency quenching of the raceway, it can improve high toughness and fatigue resistance.
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Key Specifications
| Parameter | KGL Capability |
|---|---|
| Tolerance | ±0.005 mm standard on metals, engineering plastics, and carbon fiber composite |
| Process | 5-axis CNC milling, 3+2 milling, CNC turning, EDM as required |
| Inspection | Hexagon / Zeiss CMM with 0.0015 mm accuracy, full first-article reports |
| Certifications | ISO 9001:2015, ISO 13485:2016, AS9100D |
| Capacity | 100+ CNC machines including 11 five-axis centers |
| MOQ | No MOQ; 1-piece prototypes supported |
| Quote | Within 24 hours for complete 2D/3D files |
About This Part
The material of the wind turbine pitch bearings is alloy steel for the rings. After tempering and medium-frequency quenching of the raceway, it can improve high toughness and fatigue resistance. The use of copper-based composite materials can achieve solid self-lubrication. The rolling element is made of steel, and the coating can resist salt spray corrosion. The use of high-quality materials for manufacturing can make our products better and higher quality! Our KGL machining technicians first rough-process the materials. After the forging blanks are rough-turned, they are aged to prevent subsequent deformation. Then they are fine-processed and tooth-shaped, precision-processed by turning and milling, and hobbing. Then the heat treatment process is controlled. The surface quenching needs to accurately control the depth of the hardened layer to avoid microcracks. Finally, rough grinding and fine grinding are performed. Our KGL machining factory is willing to provide you with high-quality and durable wind turbine pitch bearings. New and old customers are welcome to cooperate with us. The surface treatment of wind turbine pitch bearings first strengthens the sealing surface, and the sealing port adopts stainless steel surfacing technology to improve the hardness and corrosion resistance of the sealing surface. Then the surface is protected by multi-layer coating. Wind turbine pi
Why Machine It at KGL
Five-Axis Fleet
100+ CNC machines including 11 five-axis centers run complex geometry in single setups, so tolerances do not stack up across refixturing.
Verified Accuracy
±0.005 mm standard on metals, plastics, and carbon fiber composite, verified on Hexagon and Zeiss CMMs (0.0015 mm accuracy).
Fast Prototypes
Engineering feedback with every quotation; prototype parts typically machined in 15 to 25 days.
One Supplier, End to End
Material sourcing, machining, heat treatment coordination, finishing, CMM inspection and export packaging under one roof.
Commercial Terms
| Commercial | Detail |
|---|---|
| MOQ | No MOQ |
| Quote turnaround | 24 hours for complete 2D/3D files |
| Certifications | ISO 9001:2015, ISO 13485:2016, AS9100D |
| Standard tolerance | ±0.005 mm |
| Precision tolerance | ±0.005 mm on critical features |
| Inspection | Hexagon / Zeiss CMM + first-article reports |
Common Questions
Which materials can this part be machined from?
Common options include Aluminum alloys, stainless steels, brass, copper, titanium and engineering plastics; the exact grade follows your drawing. Send your drawing and we confirm material availability and stock within 24 hours.
What tolerances can you hold?
Standard tolerance is ±0.005 mm on metals, engineering plastics, and carbon fiber composite. Every dimension is verified against the 3D model on Hexagon or Zeiss CMMs.
How fast can I get first samples?
You receive engineering feedback with the quotation, within 24 hours of sending a drawing. Prototype parts are typically machined in 15 to 25 days depending on geometry and finishing.
What quality documentation comes with the parts?
Each shipment can include a first-article inspection report, dimensional CMM report, and material certificates. KGL is certified to ISO 9001:2015, ISO 13485:2016 and AS9100D.
Is there a minimum order quantity?
No. KGL supports 1-piece prototypes through volume production on 100+ CNC machines, so you can start small and scale the same process.
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Send your 2D/3D drawings and get a quote within 24 hours. No MOQ for prototypes and small lots.
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