Table of Contents - Rainbow Precision Products, Inc.

Power Ace ® Combo V-BeltsNominal Dimensions®Top Width Thickness Pitch Between BeltsBelt W H ESection (Inches) (Inches) (Inches)3V .38 .39 .415V .62 .63 .698V 1.00 .98 1.133V SectionBelt • List • List • List • List • List • List/RibNo. 2 Rib 3 Rib 4 Rib 5 Rib 6 Rib Over 6 RibWt. Rib ∆(Approx.)Lbs.NominalOutsideLength(Inches)3V400 24.48 36.72 48.96 61.20 73.44 12.24 0.250 40.633V425 25.44 38.16 50.88 63.60 76.32 12.72 0.270 43.133V450 26.40 39.60 52.80 66.00 79.20 13.20 0.280 45.633V475 27.36 41.04 54.72 68.40 82.08 13.68 0.300 48.133V500 27.84 41.76 55.68 69.60 83.52 13.92 0.310 50.633V530 28.80 43.20 57.60 72.00 86.40 14.40 0.330 53.633V560 29.76 44.64 59.52 74.40 89.28 14.88 0.350 56.633V600 31.20 46.80 62.40 78.00 93.60 15.60 0.380 60.633V630 32.16 48.24 64.32 80.40 96.48 16.08 0.400 63.633V670 33.60 50.40 67.20 84.00 100.80 16.80 0.420 67.633V710 35.52 53.28 71.04 88.80 106.56 17.76 0.450 71.633V750 37.44 56.16 74.88 93.60 112.32 18.72 0.470 75.633V800 39.84 59.76 79.68 99.60 119.52 19.92 0.500 80.633V850 42.72 64.08 85.44 106.80 128.16 21.36 0.530 85.633V900 46.08 69.12 92.16 115.20 138.24 23.04 0.560 90.633V950 48.48 72.72 96.96 121.20 145.44 24.24 0.600 95.633V1000 51.36 77.04 102.72 128.40 154.08 25.68 0.630 100.633V1060 54.24 81.36 108.48 135.60 162.72 27.12 0.660 106.633V1120 59.04 88.56 118.08 147.60 177.12 29.52 0.700 112.633V1180 62.88 94.32 125.76 157.20 188.64 31.44 0.740 118.633V1250 67.20 100.80 134.40 168.00 201.60 33.60 0.780 125.633V1320 71.04 106.56 142.08 177.60 213.12 35.52 0.830 132.633V1400 75.36 113.04 150.72 188.40 226.08 37.68 0.880 140.63∆ Weights shown are approximate and in some cases may be calculated.Note: Refer to page 25 for details on Bando’s Power Ace ® Combo Mandrel Program.Minimum Recommended Sheave DiametersUsing sheave diameters less than the recommended minimum can substantially reduce belt life and drive efficiency.Dimensions shown are datum diameters in inches.Belt Cross Section A AX B BX C CX D 3V 3VX 5V 5VX 8VMinimum Diameter (Inches) 3.0 2.2 5.4 4.0 9.0 6.8 13.0 2.65 2.20 7.10 4.40 12.5026