| Sealing material | TPU | PTFE | ||
| Surface roughness | Rtmax | Ra | Rtmax | Ra |
| Sliding surface | ≤ 2.5 µm | 0.1–0.5 µm | ≤2 µm | 0.05–0.3 µm |
| Groove bottom | ≤ 6.3 µm | ≤ 1.6 µm | ≤6.3 µm | ≤ 1.6 µm |
| Groove side | ≤ 15 µm | ≤ 3 µm | ≤15 µm | ≤ 3 µm |
| Bearing area: 50-95% and 0.5 Rz cutting depth (based on Cref = 0%) | ||||
| Recommended size mm | ||||||
| Minimum nominal inner diameter d≥22 mm. Depending on the application, the geometry of the guide element should be adapted to the application type (please refer to the shape description - sealing housing). Because uncut versions are meaningless due to assembly reasons, rotating applications should be avoided. The standard version with a cutting gap of >0 does not allow a support function. In order to achieve the support function, a cutting gap of s = 0 and a spiral groove are provided. The value of the cutting gap depends on the material and temperature. For details, please refer to the profile description. |
| Operating parameters | |||||
| Material | Temperature | Speed | Specific load | ||
| Guide element | Minimum °C | Maximum °C | Maximum m/s | Maximum N/mm2 | |
 PTFE g |
-200 | +200 | 4 | 3.0 | |
 PTFE b |
5 | 4.5 | |||
 POM |
-50 | +100 | 4 | 25 | |
| PA |
-40 |
||||
 Presin |
+130 | 90 | |||
| Ordering example | |
| Introduction | Guide ring TF08 |
| d x D/D1x L/L1[mm] | 100 x 109/103.5 x 15/5 |
| Material | POM |
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