Made-to-Order Sprockets - Tsubaki
Made-to-Order Sprockets - Tsubaki
Made-to-Order Sprockets - Tsubaki
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No.28BBS/DINS<strong>to</strong>ck Bore1 3/4” PitchAll dimensions in millimeters unless otherwise stated.Sprocket DiametersType A1³⁄₄” PitchNo. of Outside Pitch Caliper Catalogue S<strong>to</strong>ck WeightTeeth Diameter Diameter Diameter Number Bore (kg.)1112131415161718192021222324252627282930323840424548545760687276178.1192.6207.0221.4235.8250.1264.5278.8293.0307.3321.6335.8350.1364.3378.5392.7407.0421.2435.4449.6478.0563.1591.5619.8662.3704.8789.8832.3874.8988.11044.71101.4157.8171.7185.7199.8213.8227.8241.9256.0270.1284.1298.2312.3326.4340.5354.7368.8382.9397.0411.1425.2453.5538.3566.5594.8637.2679.6764.5806.9849.3962.51019.01075.6129.8143.8157.8171.8185.9199.9214.0228.0242.1256.2270.3284.4298.5312.6326.7340.8354.9369.1383.2397.3425.6510.3538.6566.9609.3651.7736.5779.0821.4934.5991.11047.7H28BA11H28BA12H28BA13H28BA14H28BA15H28BA16H28BA17H28BA18H28BA19H28BA20H28BA21H28BA22H28BA23H28BA24H28BA25H28BA26H28BA27H28BA28H28BA29H28BA3028BA3228BA3828BA4028BA4228BA4528BA4828BA5428BA5728BA6028BA6828BA7228BA76† Dimensions shown allow for standard keyway with set screw at 90˚.* Hub diameter may vary <strong>to</strong> suit bore size.32323232404040404040404040404040404040404040404040404040404040403.183.954.314.775.456.817.718.639.5310.4411.7913.1714.0615.4416.7818.6120.4320.8823.0625.1731.0248.5852.8057.0263.3569.6882.3488.6797.97122.79135.19147.60H28BB11H28BB12H28BB13H28BB14H28BB15H28BB16H28BB17H28BB18H28BB19H28BB20H28BB21H28BB22H28BB23H28BB24H28BB25H28BB26H28BB27H28BB28H28BB29H28BB3028BB3228BB3828BC4028BC4228BC4528BC4828BC5428BC5728BC6028BC6828BC7228BC76SDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDType B and CCatalogue S<strong>to</strong>ck †Max. *Hub WeightNumber Type Style Bore Bore Diameter LTB (kg.)BBBBBBBBBBBBBBBBBBBBBBCCCCCCCCCC4040404040404040404040404040404040404040404040404040404040404040738493931081081081081081081081081081081081081081081081081341341341341341341341341341371371371121251401401601601601601601601601601601601601601601601601601801781781781781781781781781911911917070706060646464646464646464646464646464761021021021021021271271271271271275.276.408.229.1311.4012.7613.6513.6515.0116.8418.1919.1120.4621.8422.7326.8327.7430.2931.7432.7334.8451.2552.8454.4360.5562.7274.6081.7788.94108.05117.61127.17<strong>Sprockets</strong>Dimensional DataSingle Strand Chain 28B 28BSize 28B 28BPitch 1.750" 44.5mmInside Width 1.220” 31.0mmRoller Diameter 1.100" 27.9mmNominal Tooth Width 1.156" 29.4mmIf the sprocket needed isnot listed above, pleasecontact <strong>Tsubaki</strong> for made<strong>to</strong>-ordercus<strong>to</strong>m sprockets.TOOTH (NOMINAL)TOOTH (NOMINAL)TOOTH (NOMINAL)TOOTH (NOMINAL)<strong>Sprockets</strong> with cataloguenumbers that begin with “H”have hardened teeth(Rockwell C35 minimum).OUTSIDE DIAMETERBOREOUTSIDE DIAMETERBOREHUB DIAMETEROUTSIDE DIAMETERBOREHUB DIAMETEROUTSIDE DIAMETERBOREHUB DIAMETERLTBLTBLTBSTYLE DTYPE CE-134TYPE ASTYLE STYPE BSTYLE DTYPE B
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