XL timing belt profile
For an XL PU timing belt, send us the required belt width, finished length or tooth count, and any backing or surface requirements. The profile dimensions below are from the XL row of our timing belt chart; the finished belt specification depends on your application.
| Item | XL profile dimensions |
|---|---|
| Profile | XL |
| Pitch | 5.08 mm |
| Tooth thickness | 1.27 mm |
| Belt thickness, including teeth | 2.3 mm |
For pulley matching, please send us a drawing or a clear photo of your existing belt and pulley.
What to send for a quote
Share the belt marking or machine model, belt width, finished length or tooth count, pulley profile, and photographs of the existing belt. State the operating conditions and any required backing or surface treatment so the final specification can be checked against the application.
Timing belt profile comparison
Compare the tooth profiles below, then share your pulley drawing or belt sample so we can discuss the finished belt dimensions.
| Profile | Pitch (mm) | Tooth thickness (mm) | Belt thickness including teeth (mm) |
|---|---|---|---|
| T2.5 | 2.5 | 0.7 | 1.6 |
| T5 | 5 | 1.2 | 2.2 |
| T10 | 10 | 2.5 | 4.5 |
| T20 | 20 | 5 | 8 |
| AT5 | 5 | 1.2 | 2.7 |
| AT10 | 10 | 2.5 | 4.5 |
| AT20 | 20 | 5 | 8 |
| H | 12.7 | 2.29 | 4.29 |
| XH | 22.225 | 6.35 | 11.2 |
| L | 9.525 | 1.91 | 3.61 |
| XL | 5.08 | 1.27 | 2.3 |
| 3M | 3 | 1.21 | 2.4 |
| 5M | 5 | 2.1 | 3.7 |
| 8M | 8 | 3.38 | 5.6 |
| 14M | 14 | 6.1 | 10 |
| S3M | 3 | 1.14 | 2.9 |
| S5M | 5 | 1.85 | 3.35 |
| S8M | 8 | 3.05 | 5.3 |
| S14M | 14 | 5.3 | 10.2 |
| RPP5M | 5 | 2.05 | 3.8 |
| RPP8M | 8 | 3.2 | 5.4 |
| RPP14M | 14 | 5.85 | 9.7 |
