Product specifications
| Model | Part Number | ID×OD×width | Shields |
|---|---|---|---|
| SR2-5zz | DS-3L | 3.175×7.938×3.571 mm | 2 shields |
How to select this bearing
DS low-speed 3.175mm bore group + double shields
Specification Source and Limits
Product reference: DS-3L. Source: manufacturer product catalog supplied to DENTORQUE, page 9, panel R1C4.
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 DS-3L, page 9, panel R1C4. Read our fitment evidence standard before treating a candidate as a confirmed replacement.

