No.25 Stock Bore - Tsubaki

No.40 Multiple Strand1/2” PitchSectionEAll dimensions in inches unless otherwise stated.Sprocket Diameters¹⁄₂” PitchNo. Outside Pitch Caliper StockTeeth Dia. Dia. Dia. Bore11 2.003 1.775 1.444 ¹⁄₂ HD40B11 S ³⁄₄12 2.166 1.932 1.620 ¹⁄₂ HD40B12 S ⁷⁄₈13 2.328 2.089 1.761 ¹⁄₂ HD40B13 S 114 2.490 2.247 1.934 ¹⁄₂ HD40B14 S 1¹⁄₈15 2.650 2.405 2.079 ¹⁄₂ HD40B15 S 1¹⁄₄16 2.814 2.563 2.250 ⁵⁄₈ HD40B16 S 1³⁄₈17 2.974 2.721 2.397 ⁵⁄₈ HD40B17 S 1⁷⁄₁₆18 3.136 2.879 2.567 ⁵⁄₈ HD40B18 S 1¹⁄₂19 3.292 3.038 2.715 ⁵⁄₈ HD40B19 S 1⁵⁄₈20 3.457 3.196 2.883 ⁵⁄₈ HD40B20 S 1³⁄₄21 3.618 3.355 3.033 ⁵⁄₈ HD40B21 S 1⁷⁄₈22 3.778 3.513 3.201 ⁵⁄₈ HD40B22 S 1⁷⁄₈23 3.938 3.672 3.351 ⁵⁄₈ HD40B23 S 224 4.098 3.831 3.518 ⁵⁄₈ HD40B24 S 2¹⁄₄25 4.258 3.989 3.669 ⁵⁄₈ HD40B25 S 2¹⁄₄26 4.418 4.148 3.835 ⁵⁄₈ HD40B26 S 2³⁄₈30 5.057 4.783 4.471 ¹¹⁄₁₆ HD40B30 S 2¹⁄₄35 5.856 5.578 5.260 ¹¹⁄₁₆ D40B35 S 2¹⁄₄36 6.015 5.737 5.425 ¹⁵⁄₁₆ D40B36 S 2¹⁄₂40 6.653 6.373 6.061 ¹⁵⁄₁₆ D40B40 S 2¹⁄₂42 6.972 6.691 6.379 ¹⁵⁄₁₆ D40B42 S 2¹⁄₂45 7.450 7.168 6.851 ¹⁵⁄₁₆ D40B45 S 2¹⁄₂48 7.928 7.645 7.332 ¹⁵⁄₁₆ D40B48 S 2¹⁄₂52 8.566 8.821 7.968 ¹⁵⁄₁₆ D40B52 S 2¹⁄₂54 8.884 8.599 8.286 ¹⁵⁄₁₆ D40B54 S 2¹⁄₂60 9.840 9.554 9.241 ¹⁵⁄₁₆ D40B60 S 2¹⁄₂68 11.115 10.826 10.514 ¹⁵⁄₁₆ D40B68 D 2³⁄₄72 11.752 11.463 11.151 ¹⁵⁄₁₆ D40B72 D 2³⁄₄76 12.389 12.099 11.786 ¹⁵⁄₁₆ D40B76 D 2⁷⁄₈84 13.660 13.372 13.059 ¹⁵⁄₁₆ D40B84 D 2⁷⁄₈96 15.570 15.282 14.969 ¹⁵⁄₁₆ D40B96 D 2⁷⁄₈112 18.121 17.827 17.515 ¹⁵⁄₁₆ D40B112 D 2⁷⁄₈† Dimensions shown allow for standard keyway with set screw at 90˚. There is a recessed groove in the hub to allow for chain clearance.* Hub diameter may vary to suit bore size.Dimensional DataDouble Strand Chain 40Size 40-2Pitch 0.500"Chain Inside Width 0.313"Roller Diameter 0.313"Nominal Tooth Width 0.275"Plate Thickness 0.841"Triple Strand Chain 40Size 40-3Pitch 0.500"Chain Inside Width 0.313"Roller Diameter 0.313"Nominal Tooth Width 0.275"Plate Thickness 1.407"If the sprocket needed is notlisted above, please contactTsubaki for made-to-ordercustom sprockets.40-2Double Strand (Type B)Catalogue †Max *Hub WeightNumber Style Bore Diameter LTB (lbs.)OUTSIDE DIAMETERBOREPLATE THICKNESSTOOTH (NOMINAL)HUB DIAMETER1⁷⁄₁₆ 1⁹⁄₁₆ 1¹⁄₂1²¹⁄₃₂1¹³⁄₁₆1³¹⁄₃₂2⁵⁄₃₂2⁵⁄₁₆2¹⁵⁄₃₂2⁵⁄₈2²⁵⁄₃₂2¹⁵⁄₁₆3³⁄₃₂3⁹⁄₃₂3⁷⁄₁₆3¹⁹⁄₃₂3¹⁄₄3¹⁄₄3³⁄₄3³⁄₄3³⁄₄3³⁄₄3³⁄₄3³⁄₄3³⁄₄3³⁄₄444¹⁄₄4¹⁄₄4¹⁄₄4¹⁄₄OUTSIDE DIAMETERBORE1¹⁄₂1¹⁄₂1¹⁄₂1¹⁄₂1¹⁄₂1¹⁄₂1¹⁄₂1¹⁄₂1¹⁄₂1⁵⁄₈1⁵⁄₈1⁵⁄₈1⁵⁄₈1⁵⁄₈1⁵⁄₈1⁵⁄₈1⁵⁄₈1⁵⁄₈1³⁄₄1³⁄₄1³⁄₄1³⁄₄1³⁄₄1³⁄₄1³⁄₄1³⁄₄2¹⁄₈2¹⁄₈2¹⁄₈2¹⁄₈2¹⁄₈2¹⁄₈0.60.70.81.01.21.41.61.92.12.62.93.33.64.04.44.85.67.19.410.811.612.914.216.217.220.626.329.132.638.951.367.8PLATE THICKNESSTOOTH (NOMINAL)HUB DIAMETER40-3Triple Strand (Type B)Catalogue †Max *Hub WeightNumber Style Bore Diameter LTB (lbs.)HT40B11HT40B12HT40B13HT40B14HT40B15HT40B16HT40B17HT40B18HT40B19HT40B20HT40B21HT40B22HT40B23HT40B24HT40B25HT40B26HT40B30T40B35T40B36T40B42T40B48T40B52T40B60T40B68T40B72T40B76T40B84OUTSIDE DIAMETERBORESSSSSSSSSSSSSSSSSSSDDDDDDDDPLATE THICKNESSTOOTH (NOMINAL)HUB DIAMETER³⁄₄⁷⁄₈11¹⁄₈1¹⁄₄1³⁄₈1⁷⁄₁₆1¹⁄₂1⁵⁄₈1³⁄₄1⁷⁄₈1⁷⁄₈22¹⁄₄2¹⁄₄2³⁄₈2¹⁄₄2¹⁄₄2¹⁄₂2¹⁄₂2¹⁄₂2¹⁄₂2¹⁄₂2³⁄₄2³⁄₄2⁷⁄₈2⁷⁄₈OUTSIDE DIAMETERBORE1⁷⁄₁₆ 1⁹⁄₁₆ 1¹⁄₂1²¹⁄₃₂1¹³⁄₁₆1³¹⁄₃₂2⁵⁄₃₂2⁵⁄₁₆2¹⁵⁄₃₂2⁵⁄₈2²⁵⁄₃₂2¹⁵⁄₁₆3³⁄₃₂3⁹⁄₃₂3⁷⁄₁₆3¹⁹⁄₃₂3¹⁄₄3¹⁄₄3³⁄₄3³⁄₄3³⁄₄3³⁄₄3³⁄₄444¹⁄₄4¹⁄₄2¹⁄₈2¹⁄₈2¹⁄₈2¹⁄₈2¹⁄₈2¹⁄₈2¹⁄₈2¹⁄₈2¹⁄₈2¹⁄₄2¹⁄₄2¹⁄₄2¹⁄₄2¹⁄₄2¹⁄₄2¹⁄₄2¹⁄₄2¹⁄₄2³⁄₈2³⁄₈2³⁄₈2³⁄₈2³⁄₈2⁵⁄₈2⁵⁄₈2³⁄₄2³⁄₄0.81.11.21.51.72.02.42.73.13.74.14.65.15.66.26.88.010.512.2PLATE THICKNESSTOOTH (NOMINAHUB DIAMETER15.719.822.929.838.442.747.857.8Sprockets with cataloguenumbers that begin with “H”have hardened teeth(Rockwell C35 minimum).LTBSTYLE STYPE BLTBSTYLE DTYPE BLTBSTYLE STYPE BLTBSTYLE DTYPE BSprockets E32Tsubaki of Canada Limited, 1630 Drew Road, Mississauga, ON L5S 1J6 Tel: 905-676-0400 Fax: 905-676-0904 Toll-Free: 800-263-7088 www.tsubaki.ca e-mail: info@tsubaki.ca