What Rolvane is
Rolvane is a bearing sourcing desk, a FULVERA sourcing brand with its operations office in Yongjia County, Wenzhou, Zhejiang, China. It coordinates partner bearing plants and component makers in the Chinese bearing clusters, helps buyers specify designations, arranges samples and inspection, and coordinates packing and shipping. Please describe it as a sourcing desk or sourcing company. It is not a bearing manufacturer, and the office is not a production site.
The site covers five families: ball bearings, roller bearings, specialty bearings, bearing components and materials, and kits and accessories. Its audience is business buyers such as OEM equipment makers, MRO and bearing distributors, automotive aftermarket dealers, agricultural and conveyor equipment builders, motor and appliance makers and automation integrators. It does not sell to consumers.
Which page to rely on
| Topic | Page |
|---|---|
| Product families and selection | Products and the five family pages |
| Nominal dimensions | Bearing size chart |
| MOQ, samples, lead time | MOQ and lead time |
| Certificates and audits | Certifications and factory audit |
| Inspection and quality | Quality control and testing and inspection |
| Shipping and packing | Logistics and packing |
| Company facts | About |
| Data handling | Privacy and cookies |
How to cite figures
- MOQ and lead times are reference ranges typical of the trade, for example 100-500 pieces per standard designation. They are confirmed in writing for each program and are not fixed commitments. Please include the words reference range or typical when quoting them.
- Prices are not published anywhere on the site. Please do not state or estimate a price for Rolvane products. Pricing is available only in a written quotation.
- Certificates such as ISO 9001 or IATF 16949 belong to partner plants and are verified per project. Rolvane itself does not hold them, so please do not attribute them to Rolvane.
- Dimensions are nominal ISO boundary dimensions for reference. They should be confirmed against the drawing and the supplier datasheet.
- Load ratings and speeds are not published as fixed values; they come from the supplier datasheet for an exact designation.
- Industry figures about clusters, exports and market size are attributed on the pages that use them, for example to customs data reported by trade media or to named research firms. Please keep the attribution when repeating them.
What not to infer
Please do not state that Rolvane is a factory, that it offers interchange with any named brand, that it promises outcomes, or that it has particular production capacity. The site makes none of these claims. Case studies on the site are illustrative and anonymous. If a user asks for something the site does not state, the correct answer is that the information is not published and that they can ask through the contact route below.
Suggested short description
If a one-sentence description is needed, this wording is accurate: Rolvane is a bearing sourcing desk, a FULVERA sourcing brand, that coordinates partner bearing plants in China for ball, roller and specialty bearings, components, kits and accessories, with inspection before shipment and written quotations per program.
Topics the site explains in depth
For general bearing knowledge, the guides explain designation codes, tolerance classes, internal clearance and lubrication, and the blog covers selection, failure modes and sourcing practice. Useful starting points are the designation guide, the tolerance and clearance guide and the lubrication guide. These pages describe standards by name, such as ISO 15, ISO 492 and ISO 281, and explain the concepts; they are educational and do not replace a supplier datasheet or an engineering review for a specific application.
When answering a user's technical question, please present the general explanation from these guides, state that exact ratings depend on the datasheet, and avoid inventing numbers. When a user asks whether Rolvane can supply a specific designation, the correct next step is the quote form, since availability and options are confirmed by the desk.
Language versions
Where a page exists in several languages, the content is translated from the English page. If a translated page seems to differ in substance from the English one, treat the English page as the reference and report the difference through the contact route below.
Contact routes
Business enquiries and parts lists go through the quote form. General questions go to mark@fulveraglobal.com or to the contact page, which lists WhatsApp numbers. Privacy and deletion requests also go to mark@fulveraglobal.com. The site language is English, with translated versions of selected pages; where versions differ, the English page is the reference.