The Washer U309 – 65X90X10 – FAG is a precision-engineered component designed for use with thrust ball bearings, specifically serving as a bearing accessory. Manufactured by FAG, this washer has dimensions of 65 mm bore diameter, 90 mm outer diameter, and a thickness of 10 mm. These dimensions make it ideal for industrial applications requiring precise axial load distribution. The Washer U309 is an essential component in machinery where consistent and efficient performance is critical.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 65 mm |
| Outer diameter (D) | 90 mm |
| Width / Thickness (T) | 10 mm |
| Ring material | Chrome steel 100Cr6 |
| ISO / cross-reference equivalent code | U309 |
Technical advantages
The Washer U309 – 65X90X10 – FAG offers several technical advantages, making it suitable for demanding industrial environments:
- Manufactured from 100Cr6 chrome steel, ensuring high rolling-contact fatigue life exceeding 107 cycles.
- Standard dimensions allow for seamless integration with existing thrust ball bearing assemblies.
- Engineered to withstand significant axial loads without deformation, maintaining structural integrity.
- Precision machining ensures optimal contact surface, reducing friction and wear.
- Compatibility with a wide range of operating temperatures, enhancing versatility across various applications.
Typical applications
The Washer U309 – 65X90X10 – FAG is commonly used in various sectors, providing essential support and load distribution in:
- Heavy machinery (excavators, cranes, industrial presses)
- Automotive industry (gearboxes, differentials, drive shafts)
- Marine equipment (propeller shafts, winches, steering mechanisms)
- Power generation (turbines, generators, windmills)
- Aerospace (landing gear, control surfaces, actuators)
Availability and ordering
Eurobearing.eu is your specialised B2B supplier for mechanical components like the Washer U309 – 65X90X10 – FAG. We offer fast availability of this washer, and you can request a quote for bulk quantities. To streamline your procurement process, simply add this product to your cart or request a quotation directly from our platform.

