BRECO公制同步带轮T2.5型号及公差范围T2.5型同步带轮规格型号尺寸表节距=2.5外径公差表标准皮带width度6mmBRECO带轮外径公差W18.0<25.4+0.05-0X10.025.4-50.8+0.08+050.8-101.6+0.10+0101.6-177.8+0.13+0177.8-304.8+0.15+0BRECOFLEX英制XXH型同步带轮规格型号尺寸表同步带轮节距=31.75同步带轮外径公差表标准皮带width度20050.8mm30076.2mm400101.6mm500127mm外径公差L18齿-25齿100110140168<25.4+0.05-0L26齿-90齿11012014016825.4-50.8+0.08+0W679412114750.8-101.6+0.10+0X21354555101.6-177.8+0.13+0177.8-304.8)