StockBoreChainCouplingsStockBoreChainCouplingsaremadewithSolidsteelSprocketswithHardenedTeethandare***ailableinstock.Afinishedborewithakeywayand/orsetscrewsare***ailableto"MAXBORE"showninTableBelow.Dimensi***ininchesandpoundsCouplingNumberBoreDiaOD'LSAPPROX.WEIGHT(Lbs)Min.BoreMax.Bore30129/165/8125/32129/1613/167/320.9040129/167/8213/3215/1631/817/169/321.8040149/1611/8225/32111/1631/817/169/322.4040165/815/1631/32157/64313/3219/169/323.10501411/1613/833/821/16315/16125/323/84.90501611/1619/16325/3223/8315/16125/323/86.00501811/1613/443/1623/4315/16125/323/88.4060187/823/16533/847/823/167/1613.806020123/851/237/847/823/167/1617.30602211/8225/32561/6445/1647/823/167/1623.10801811/431/8621/3245/1659/1621/237/6428.20802017/1639/16719/64425/3253/429/1637/6435.60802219/16315/16731/3251/263/16225/3237/6444.901002013/445/891/865/1671/1633/1623/3273.30120182411/1610623/32839/1655/64104.401202223/1661/81157/6481/483/4315/1655/64160.00*Ifyourequireaothersizethanthosespecified,pleasec***ultwithus.ChainCouplingCasingTheChainCouplingCasingsaremadeofdiecastaluminumandaremadeinhalvesforeasyinspectionandinstallation.Rubberoilseals,whichcontactthecouplingsprockethubs,retainthelubricantandprotectfromcorrosionandensuresafeoperation.Dimensi***:inchesandpoundsCouplingNumberAOutsideDiaBWidthApprox.Weight(Lbs)30122.722.480.6740123.032.830.6740143.302.950.9040163.622.950.9050143.983.351.1150164.373.351.3350184.803.351.7860185.594.172.6760206.224.133.5660226.614.604.0080187.485.085.5680208.275.396.4580228.905.398.001002011.066.0210.201201812.097.1313.801202214.067.1318.00)