If I find some time tomorrow, I will see if I can scan my tables and send them to you. Parte 1: Tolerancias para dimensiones lineales y angulares.2) ISO 5166 Sistema de ajustes cnicos para piezas cnicas de conicidad C1:3 a 1:500, de longitud 6 a 630 mm y de dimetro hasta 500 mm. I wish I had a copy of the complete tables I could email you, the following link is mounting and dismounting catalog that has tables in the back, but does not have all of what you are looking for. ISO 2768-1 Tolerancias generales para cotas sin indicacin de tolerancias. Are you sure you are not looking at H tolerance tables? The capital H is for holes and all of those are 0 to a plus number.Īfter you have used it a bit, these tolerances get easier. For new designs only the general tolerance according to DIN ISO 2768-1 should be valid.
The +43 on the h9 tolerance is definitely wrong, all the h tolerances are +0 and a negative number. ISO 2768 m or general tolerance ISO 2768 m. in mm for nominal sizes in mm Toleranceclass f fine m medium c coarse v. I'm using a book published by FAG Bearings that lists the complete tolerance range for each designation, I don't have my Machinerys Handbook here to check and see what is in there. Iso 2768-m General Tolerances Pdf Download > f5574a87f2 Download: Iso 2768 fh tolerance pdf. Bearing tolerances are usually fairly tight since that controls the amount of internal clearance of the rolling elements to the race of the bearing when installed.Īn M6 tolerance on a 47mm bore should be -4 to -20 according to my book.
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