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Accuracy for Industry Bearings
Dimensional accuracy for industry bearings is a measure of the error between the actual dimensions of the bearings (bore diameter, outer diameter, inner ring width, outer ring width) and the target value for these dimensions.
StandardApplication standard
Bearing Type
International standardISO492Standard level grade 6XGrade 6Grade 5Grade 4Grade 2Radial bearing
ISO199standard levelGrade 6Grade 5
---Thrust ball bearing
ISO578Grade 4---Grade 3Grade 0Grade 00Tapered roller bearing(inch)
Germany standardDIN620P0P6P5P4P2All types
American standardANSI/ARMA std.20ABEC-1ABEC-3ABEC-5

Radial bearing(except tapered roller bearing)
Japanese standardJIS B 1514Grade 0.6Grade 6Grade 5Grade 4Grade 2All types