Prosino manufactures rings for high precision and custom made ball and roller bearings, supporting manufacturers with integrated production and advanced engineering capabilities. All key manufacturing steps are managed in-house to ensure process consistency, tight tolerances and reliable quality.
Super-Precision Bearing Rings
Precision rings for high-performance ball and roller bearings- Process consistency
- Tight tolerances
- Reliable quality
Why Prosino?
- Integrated in-house manufacturing from raw material to finished ring
- Tight tolerances and precise geometric control
- Reliable and repeatable production processes
- Custom bearing solutions tailored to application requirements
- Engineering support from design to production
- Proven expertise in high-precision bearing applications
Applications
- Super-precision bearings
- Machine tool spindle bearings (spindle bearings)
- Industrial bearings (steel making, high vacuum pumps)
- Customized bearing solutions
Key capabilities
- Dimensional range from 8 (bore) to 300 mm (OD)
- Tight geometric tolerances (after heat treating)
- In-house turning, heat treatment and vibro-polishing (reduce roughness up to 0,1 mRa)
- Subfreezing (SF) treatment available upon request
- Co-engineering and application support (3D CAD station, internal lab)
- Grinding capabilities in collaboration ship with external suppliers
- Surface treatment in collaboration ship with external suppliers (black oxide, chrome plating, zinc plating)
