DM-830 Micro Motor Bearing
DM-830 is the P/N shown on the catalog card for micro motor bearing 830. The card records an ID × OD × Width size of 3 × 8 × 4 mm.
Verified specifications
| Catalog product descriptor | Micro motor bearing 830 |
|---|---|
| P/N | DM-830 |
| Dimensions | 3 × 8 × 4 mm (ID × OD × Width) |
| Visible face | Metal-covered appearance; internal balls are not visible |
The exact card does not provide a separate bearing model, precision grade, speed marking, material line, or ball quantity, so those details are not published.
RFQ confirmation
Before ordering, confirm the complete micro motor or polishing assembly identity, installation position, required quantity, and clear photos of the original bearing. Browse the low-speed dental bearing guide or contact us for identification support.
Specification Source and Limits
Product reference: DM-830. Source: manufacturer product catalog supplied to DENTORQUE, page 11, panel R1C1.
The source file is titled 轴承2026产品资料.pdf. A controlled revision and publication date are not stated in the supplied catalog; the year in its filename is not an issue-date verification.
Catalog markings are source information, not an independent test report or confirmation of compatibility with a specific handpiece. Exact geometry, assembly version and operating requirements still need to be confirmed for your application.
For questions about this source, contact DENTORQUE and quote DM-830, page 11, panel R1C1. Read our fitment evidence standard before treating a candidate as a confirmed replacement.

