378 TECHNICAL INFORMATION Belt Type Allowable Tension (N) Belt Width / Correction Factor MXL 23.4 - 4.8 6.4 9.5 12.7 - 0.72 1.00 1.57 2.18 XL 182.4 6.4 7.9 9.5 12.7 - 0.15 0.21 0.28 0.42 - L 244.2 12.7 19.1 25.4 38.1 0.42 0.71 1.00 1.56 H 622.7 19.1 25.4 38.1 50.8 - 0.71 1.00 1.56 2.14 - T5 See P.138. - 10 15 20 - 1.00 1.60 2.30 T10 See P.138. - 15 20 25 30 40 50 - 1.60 2.30 2.90 3.50 4.60 5.80 S2M See P.136. 4 6 10 1.00 1.59 2.84 S3M See P.137. 6 10 15 1.00 1.79 2.84 S5M See P.137. 10 15 25 1.00 1.59 2.84 S8M 2736.0 15 - 25 30 40 - - 0.21 - 0.37 0.45 0.63 - - S14M 8483.0 - 40 - 60 - - - - 0.29 - 0.45 - - - Table 55. Allowable Tension Table/List Table 56. S2M Allowable Tension Table: Per 4.0mm of Belt Width (Unit: N) (kW) Number of Small Pulley Teeth 14 15 16 18 20 22 24 26 28 30 32 36 40 44 50 60 Speed of Small Pulley (rpm) Pitch Circle Dia. (mm) 8.91 9.55 10.19 11.46 12.73 14.01 15.28 16.55 17.83 19.10 20.37 22.92 25.46 28.01 31.83 38.2 870 26.9 28.2 29.2 30.8 32.0 32.9 33.6 34.2 34.6 34.9 35.2 35.5 35.7 35.8 35.8 35.5 1160 24.7 25.9 26.9 28.5 29.7 30.7 31.4 31.9 32.3 32.6 32.9 33.2 33.4 33.5 33.5 33.2 1750 21.4 22.6 23.7 25.3 26.5 27.4 28.1 28.6 29.0 29.4 29.6 30.0 30.1 30.2 30.2 29.9 3500 15.9 17.1 18.1 19.8 21.0 21.9 22.6 23.1 23.5 23.8 24.1 24.4 24.6 24.6 24.6 24.2 50 49.6 50.8 51.9 53.5 54.7 55.6 56.3 56.8 57.3 57.6 57.8 58.2 58.4 58.5 58.4 58.2 100 44.1 45.3 46.4 48.0 49.2 50.1 50.8 51.3 51.8 52.1 52.4 52.7 52.9 53.0 52.9 52.7 150 40.9 42.1 43.2 44.8 46.0 46.9 47.6 48.1 48.6 48.9 49.1 49.5 49.7 49.7 49.7 49.5 200 38.6 39.8 40.9 42.5 43.7 44.6 45.3 45.8 46.3 46.6 46.9 47.2 47.4 47.5 47.4 47.2 250 36.9 38.1 39.1 40.7 41.9 42.8 43.5 44.1 44.5 44.8 45.1 45.4 45.6 45.7 45.7 45.5 300 35.4 36.6 37.7 39.3 40.5 41.4 42.1 42.6 43.1 43.4 43.6 44.0 44.2 44.2 44.2 44.0 350 34.2 35.4 36.4 38.0 39.2 40.2 40.9 41.4 41.8 42.2 42.4 42.8 42.9 43.0 43.0 42.8 400 33.1 34.3 35.4 37.0 38.2 39.1 39.8 40.3 40.8 41.1 41.4 41.7 41.9 42.0 41.9 41.7 450 32.2 33.4 34.4 36.1 37.3 38.2 38.9 39.4 39.8 40.2 40.4 40.8 40.9 41.0 41.0 40.8 500 31.4 32.6 33.6 35.2 36.4 37.3 38.0 38.6 39.0 39.3 39.6 39.9 40.1 40.2 40.2 39.9 550 30.6 31.8 32.8 34.5 35.7 36.6 37.3 37.8 38.2 38.6 38.8 39.2 39.3 39.4 39.4 39.2 600 29.9 31.1 32.2 33.8 35.0 35.9 36.6 37.1 37.6 37.9 38.1 38.5 38.7 38.7 38.7 38.5 650 29.3 30.5 31.5 33.1 34.3 35.3 36.0 36.5 36.9 37.2 37.5 37.8 38.0 38.1 38.1 37.9 700 28.7 29.9 30.9 32.5 33.7 34.7 35.4 35.9 36.3 36.7 36.9 37.3 37.4 37.5 37.5 37.3 800 27.6 28.8 29.9 31.5 32.7 33.6 34.3 34.8 35.3 35.6 35.8 36.2 36.4 36.5 36.4 36.2 900 26.7 27.9 28.9 30.6 31.8 32.7 33.4 33.9 34.3 34.7 34.9 35.3 35.4 35.5 35.5 35.3 1000 25.9 27.1 28.1 29.7 30.9 31.8 32.5 33.1 33.5 33.8 34.1 34.4 34.6 34.7 34.7 34.4 1100 25.1 26.3 27.3 29.0 30.2 31.1 31.8 32.3 32.7 33.1 33.3 33.7 33.8 33.9 33.9 33.7 1200 24.4 25.6 26.7 28.3 29.5 30.4 31.1 31.6 32.1 32.4 32.6 33.0 33.1 33.2 33.2 33.0 1300 23.8 25.0 26.0 27.6 28.8 29.8 30.5 31.0 31.4 31.7 32.0 32.3 32.5 32.6 32.6 32.3 1400 23.2 24.4 25.4 27.0 28.2 29.2 29.9 30.4 30.8 31.1 31.4 31.7 31.9 32.0 32.0 31.7 1500 22.7 23.9 24.9 26.5 27.7 28.6 29.3 29.9 30.3 30.6 30.9 31.2 31.4 31.4 31.4 31.2 1600 22.1 23.3 24.4 26.0 27.2 28.1 28.8 29.3 29.8 30.1 30.3 30.7 30.9 30.9 30.9 30.7 1700 21.7 22.9 23.9 25.5 26.7 27.6 28.3 28.9 29.3 29.6 29.9 30.2 30.4 30.4 30.4 30.2 1800 21.2 22.4 23.4 25.0 26.2 27.2 27.9 28.4 28.8 29.1 29.4 29.7 29.9 30.0 30.0 29.7 1900 20.8 22.0 23.0 24.6 25.8 26.7 27.4 28.0 28.4 28.7 29.0 29.3 29.5 29.6 29.5 29.3 2000 20.4 21.6 22.6 24.2 25.4 26.3 27.0 27.6 28.0 28.3 28.6 28.9 29.1 29.1 29.1 28.9 2200 19.6 20.8 21.8 23.5 24.7 25.6 26.3 26.8 27.2 27.5 27.8 28.1 28.3 28.4 28.3 28.1 2400 18.9 20.1 21.1 22.8 24.0 24.9 25.6 26.1 26.5 26.9 27.1 27.4 27.6 27.7 27.6 27.4 2600 18.3 19.5 20.5 22.1 23.3 24.2 24.9 25.5 25.9 26.2 26.5 26.8 27.0 27.0 27.0 26.7 2800 17.7 18.9 19.9 21.5 22.7 23.6 24.3 24.9 25.3 25.6 25.9 26.2 26.4 26.4 26.4 26.1 3000 17.1 18.4 19.4 21.0 22.2 23.1 23.8 24.3 24.7 25.1 25.3 25.6 25.8 25.9 25.8 25.5 3200 16.6 17.8 18.9 20.5 21.7 22.6 23.3 23.8 24.2 24.5 24.8 25.1 25.3 25.3 25.3 25.0 3400 16.1 17.4 18.4 20.0 21.2 22.1 22.8 23.3 23.7 24.1 24.3 24.6 24.8 24.8 24.8 24.5 3600 15.7 16.9 17.9 19.5 20.7 21.6 22.3 22.9 23.3 23.6 23.8 24.2 24.3 24.4 24.3 24.0 3800 15.3 16.5 17.5 19.1 20.3 21.2 21.9 22.4 22.8 23.2 23.4 23.7 23.9 23.9 23.9 23.5 4000 14.9 16.1 17.1 18.7 19.9 20.8 21.5 22.0 22.4 22.7 23.0 23.3 23.5 23.5 23.4 23.1 4500 13.9 15.1 16.1 17.7 18.9 19.8 20.5 21.1 21.5 21.8 22.0 22.3 22.5 22.5 22.4 22.1 5000 13.1 14.3 15.3 16.9 18.1 19.0 19.7 20.2 20.6 20.9 21.2 21.5 21.6 21.6 21.5 21.1 5500 12.3 13.5 14.5 16.1 17.3 18.2 18.9 19.4 19.8 20.1 20.4 20.7 20.8 20.8 20.7 20.3 6000 11.6 12.8 13.8 15.4 16.6 17.5 18.2 18.7 19.1 19.4 19.6 19.9 20.0 20.1 19.9 19.5 6500 11.0 12.2 13.2 14.8 16.0 16.9 17.5 18.1 18.5 18.7 19.0 19.2 19.4 19.3 19.2 18.7 7000 10.4 11.6 12.6 14.2 15.4 16.3 16.9 17.4 17.8 18.1 18.3 18.6 18.7 18.7 18.5 17.9 7500 9.8 11.0 12.0 13.6 14.8 15.7 16.4 16.9 17.3 17.5 17.7 18.0 18.1 18.0 17.8 17.2 8000 9.3 10.5 11.5 13.1 14.3 15.2 15.8 16.3 16.7 17.0 17.2 17.4 17.5 17.4 17.2 16.6 9000 8.3 9.5 10.5 12.1 13.3 14.2 14.8 15.3 15.7 16.0 16.1 16.4 16.4 16.3 16.0 15.3 * Try to avoid use of belts within the range enclosed with . Otherwise, the durable time might be shortened. * The above table is for 4.0mm of belt width. When the desired belt has the other width, multiply the value on the above table by the relevant width correction factor Kb provided on the Table 29. Timing Belt Selection of Transmission Timing Belts 11
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