| Model | SR144TiZWN |
|---|---|
| Part Number | GS-B3 |
| ID×OD×width | 3.175×6.35×2.78 mm |
| Configuration | Radial |
| Cage material | Textolite (Phenolic) |
| Shields | 1 shield |
| Ball material | Si3N4 Ceramic |
| Precision | P4 |
| Speed | >400,000 RPM |
How to select this bearing
This is a GS high-speed bearing. It features a straight outer-ring, Textolite (Phenolic) cage, Si3N4 Ceramic balls, single shield, and is compatible with the sibling part numbers GS-B4 and GS-B5.
Specification Source and Limits
Product reference: GS-B3. Source: manufacturer product catalog supplied to DENTORQUE, page 4, panel R3C3.
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 GS-B3, page 4, panel R3C3. Read our fitment evidence standard before treating a candidate as a confirmed replacement.
