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Blade Bearing for Siemens SWT-2.3-93 | Liebherr A9B00400978 – High-Strength Pitch Bearing
The Liebherr A9B00400978 Blade Bearing is a precision-engineered pitch bearing designed for the Siemens SWT-2.3-93 wind turbine. Built to handle the demanding loads and continuous pitch movements of a 2.3 MW platform, this large-diameter slewing bearing ensures accurate blade rotation, superior load distribution, and long-term operational reliability.
Manufactured by Liebherr, a leading global supplier of heavy-duty wind turbine bearings, this unit delivers exceptional durability, corrosion resistance, and fatigue strength—critical for turbines operating in both onshore and offshore environments.
Robust four-point contact slewing ring design for balanced load handling
Excellent resistance to axial, radial, and tilting moment forces
High-grade alloy steel construction for enhanced fatigue life
Sealed and protected against moisture, dust, and harsh outdoor conditions
Ensures smooth and controlled blade pitch adjustment
Optimized for efficiency, aerodynamic performance, and turbine safety
Turbine Model: Siemens SWT-2.3-93
Part Number: A9B00400978
Manufacturer: Liebherr
Type: Blade (Pitch) Bearing
Function: Controls rotor blade angle for power optimization and load reduction
Design: Large-diameter, four-point contact bearing
Application: Pitch system of Siemens 2.3 MW turbines
The Liebherr A9B00400978 Blade Bearing is essential for maintaining the performance, reliability, and availability of the Siemens SWT-2.3-93 turbine.
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Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
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Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
