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Timing Pulley
Basic information
Arc tooth Timing tooth
| Type | Pb | Ht | R | S | Angle | |
| Type | Pb | Ht | R | S | r | Angle |
| 3M | 3 | 1.28 | 0.91 | 1.90 | 0.26~0.35 | ≈14° |
| 5M | 5 | 2.16 | 1.56 | 3.25 | 0.48~0.52 | ≈14° |
| 8M | 8 | 3.54 | 2.57 | 5.35 | 0.78~0.84 | ≈14° |
| 14M | 14 | 6.20 | 4.65 | 9.80 | 1.36~1.50 | ≈14° |
| 20M | 20 | 8.60 | 6.84 | 14.80 | 1.95~2.25 | ≈14° |
Dimension of T type/linear type pulley
| Type | Bw | hg | Φ+1.5° | rb | rt | 2β |
| Type | Bw | hg | Φ+1.5° | rb | rt | 2β |
| MXL | 0.85±0.05 | 0.69 | 20 | 0.35 | 0.13 | 0.508 |
| XXL | 1.14±0.05 | 0.84 | 25 | 0.35 | 0.30 | 0.508 |
| XL | 1.32±0.05 | 1.65 | 25 | 0.41 | 0.64 | 0.508 |
| L | 3.05±0.10 | 2.67 | 20 | 1.19 | 1.17 | 0.762 |
| H | 4.19±0.13 | 3.05 | 20 | 1.60 | 1.60 | 1.372 |
| XH | 7.90±0.15 | 7.14 | 20 | 1.98 | 2.39 | 2.794 |
| XXH | 12.17±0.18 | 10.31 | 20 | 3.96 | 3.18 | 3.048 |
1, tooth size, tolerance and technical parameters
2, various models of synchronous belt wheel tooth surface width size table
3, ordering instructions
On a
Ribbed V belt
The next article
Open Ended Timing Belt