50MOUNTEDBALLBEARINGSSHAFTDimensi***inInchesBOLTDIAM.PARTBRG.ABCDEFGHJKSIZEUNITINMMNO.NO.MIN.MAX.IN.WT.13/16SPM-193-13271/253/861/827/89/165/837/8111/1611/26.917/16SPM-233-1723/881/455/867/821/411/43/43/441/2115/1613/165/87.1111/16SPM-273-11123/883/457/871/823/811/43/43/445/821/3219/325/89.713/4SPM-283-112115/16SPM-313-11523/4101/263/481/221/211/23/47/855/1623/1615/165/811.923/16SPM-353-2331/8111/475/893/823/411/23/47/8515/1629/1619/165/816.627/16SPM-393-2731/8111/277/893/8311/27/87/861/423/4111/163/420.121/2SPM-403-28SPMSeriesMediumDutyPillowBlocks...SetscrewLockingForLoadRatings,seepage62.ForMediumDutyBearingInserts-SingleLock,seepage60.Hi-TempSeal***ailableasanoptionwhereoperatingtemperaturesarein250-400°range.(Seesealopti***onpage188).FeltSealStandardPositivesealingforlow,medium,andhighspeedoperation.SingleLipContactSeal***ailableonallsizes.Recommendedwheremoistureconditi***prevail.Tospecify,addsuffix"C"(SPM-31C).)