TYC BL Leaf Chain

BL Leaf Chain

Chain
no.
Pitch lacing pin links Avg. ulti. tensile strength Approx. weight
P C B D S T H F
inch mm mm mm mm mm mm mm mm kgf kg/m
BL422 1/2 12.70 2×2 5.38 7.58 5.09 5.12 2.01 8.48 12.06 2700 0.58
BL423 1/2 12.70 2×3 6.43 8.68 5.09 5.12 2.01 10.62 12.06 2700 0.72
BL434 1/2 12.70 3×4 8.30 11.05 5.09 5.12 2.01 14.86 12.06 4050 1.00
BL444 1/2 12.70 4×4 9.30 12.10 5.09 5.12 2.01 16.97 12.06 5400 1.13
BL446 1/2 12.70 4×6 11.65 13.90 5.09 5.12 2.01 21.21 12.06 5400 1.42
BL466 1/2 12.70 6×6 13.60 16.20 5.09 5.12 2.01 25.45 12.06 8100 1.69
BL522 5/8 15.875 2×2 6.42 8.92 5.96 5.98 2.38 9.91 15.08 4250 0.87
BL523 5/8 15.875 2×3 7.57 10.12 5.96 5.98 2.38 12.40 15.08 4250 1.06
BL534 5/8 15.875 3×4 10.02 12.57 5.96 5.98 2.38 17.35 15.08 6400 1.49
BL544 5/8 15.875 4×4 11.17 13.77 5.96 5.98 2.38 19.81 15.08 8500 1.69
BL456 5/8 15.875 4×6 13.57 16.17 5.96 5.98 2.38 24.77 15.08 8500 2.10
BL566 5/8 15.875 6×6 16.05 18.60 5.96 5.98 2.38 29.72 15.08 12750 2.52
BL622 3/4 19.05 2×2 8.62 11.62 7.94 7.96 3.18 13.41 18.10 6550 1.44
BL623 3/4 19.05 2×3 9.97 13.87 7.94 7.96 3.18 16.76 18.10 6550 1.77
BL634 3/4 19.05 3×4 13.30 17.40 7.94 7.96 3.18 23.47 18.10 10000 2.45
BL644 3/4 19.05 4×4 14.95 19.05 7.94 7.96 3.18 26.82 18.10 13200 2.79
BL646 3/4 19.05 4×6 18.25 22.35 7.94 7.96 3.18 33.53 18.10 13200 3.47
BL666 3/4 19.05 6×6 21.52 25.77 7.94 7.96 3.18 40.23 18.10 19800 4.15
BL822 1 25.40 2×2 10.44 14.09 9.54 9.56 3.99 16.56 24.13 10500 2.30
BL823 1 25.40 2×3 12.59 16.04 9.54 9.56 3.99 20.70 24.13 10500 2.86
BL834 1 25.40 3×4 16.54 20.44 9.54 9.56 3.99 28.98 24.13 15500 3.98
BL844 1 25.40 4×4 18.84 21.94 9.54 9.56 3.99 33.12 24.13 21000 4.52
BL846 1 25.40 4×6 22.84 26.44 9.54 9.56 3.99 41.40 24.13 21000 5.61
BL866 1 25.40 6×6 26.89 30.79 9.54 9.56 3.99 49.68 24.13 30000 6.72
BL1022 1 1/4 31.75 2×2 12.70 16.88 11.11 11.14 4.80 19.81 30.16 15000 3.66
BL1023 1 1/4 31.75 2×3 15.18 19.28 11.11 11.14 4.80 24.77 30.16 15000 4.54
BL1034 1 1/4 31.75 3×4 19.98 24.08 11.11 11.14 4.80 34.67 30.16 25500 6.30
BL1044 1 1/4 31.75 4×4 22.33 26.43 11.11 11.14 4.80 39.62 30.16 30000 7.18
BL1046 1 1/4 31.75 4×6 27.13 31.23 11.11 11.14 4.80 49.53 30.16 30000 8.94
BL1066 1 1/4 31.75 6×6 31.88 36.78 11.11 11.14 4.80 59.44 30.16 45000 10.69
BL1222 1 1/2 38.10 2×2 14.52 19.82 12.71 12.74 5.57 23.27 36.19 20000 5.03
BL1223 1 1/2 38.10 2×3 17.32 22.62 12.71 12.74 5.57 29.08 36.19 20000 6.25
BL1234 1 1/2 38.10 3×4 22.92 28.32 12.71 12.74 5.57 40.72 36.19 30000 8.69
BL1244 1 1/2 38.10 4×4 25.77 31.07 12.71 12.74 5.57 46.53 36.19 40000 9.91
BL1246 1 1/2 38.10 4×6 31.37 36.67 12.71 12.74 5.57 58.17 36.19 40000 12.34
BL1266 1 1/2 38.10 6×6 37.27 41.97 12.71 12.74 5.57 69.80 36.19 60000 14.78
BL1422 1 3/4 44.45 2×2 16.31 21.61 14.29 14.31 6.49 26.42 42.22 24000 6.76
BL1423 1 3/4 44.45 2×3 19.46 24.76 14.29 14.31 6.49 33.22 42.22 24000 8.40
BL1434 1 3/4 44.45 3×4 26.01 31.31 14.29 14.31 6.49 46.23 42.22 36000 11.70
BL1444 1 3/4 44.45 4×4 29.26 34.56 14.29 14.31 6.49 52.83 42.22 48000 13.35
BL1466 1 3/4 44.45 6×6 18.00 23.00 14.29 14.31 6.49 79.25 42.22 72000 19.92
BL1622 2 50.80 2×2 _ _ 17.46 17.52 7.14 29.5 48.26 35000 8.25
BL1623 2 50.80 2×3 17.46 17.52 7.14 36.9 48.26 35000 10.20
BL1634 2 50.80 3×4 29.44 34.94 17.46 17.52 7.14 51.5 48.26 63000 14.20
BL1644 2 50.80 4×4 33.09 38.69 17.46 17.52 7.14 58.8 48.26 71200 16.20
BL1646 2 50.80 4×6 40.34 45.84 17.46 17.52 7.14 73.3 48.26 71200 20.30
BL1666 2 50.80 6×6 47.59 53.09 17.46 17.52 7.14 87.8 48.26 106800 24.30
BL1688 2 50.80 6×6 62.09 67.59 17.46 17.52 7.14 87.8 48.26 141470 31.45

BL series leaf chain is comprised of link plates, having the same contour and pitch as those of roller link plates of the same pitch ANSI standard roller chain, but with the thickness of the next large pitch ANSI standard roller chain.

NB: Some of the items on this page may be non-stock. Please contact our Sales Department for confirmation.