| Model | SMR52zz |
| Part Number | DS-2D |
| ID×OD×width | 2×5×2.5 mm |
| Configuration | Radial |
| Shields | 2 shields |
| Ball material | 440C Stainless Steel |
| Precision | P4 |
| Speed | >30,000 RPM |
How to select this bearing: DS low-speed 2mm bore group + 440C Stainless Steel balls + double shields + 兄弟件号 DS-2A, DS-2B, DS-2C
Specification Source and Limits
Product reference: DS-2D. Source: manufacturer product catalog supplied to DENTORQUE, page 8, panel R2C2.
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-2D, page 8, panel R2C2. Read our fitment evidence standard before treating a candidate as a confirmed replacement.
