Page 66 of Precision Rolling Bearings by NTN Corporation Japan

ntn main spindle bearings 4 bearing accuracy table 9.2 inner rings nominal bore diameter d single plane mean bore diameter deviation dmp class 5 high low 0 0 0 0 0 0 0 0 0 5 5 6 8 9 10 13 13 15 class 41 high low 0 0 0 0 0 0 0 0 0 4 4 5 6 7 8 10 10 12 class 2 1 high low 0 0 0 0 0 0 0 0 0 2.5 2.5 2.5 2.5 4 5 7 7 8 mean bore diameter single radial plane bore inner ring radial deviation diameter variation runout vdmp vdp kia diameter series 9 diameter series 0 2 class 5 class 4 class 2 class 5 class 4 class 2 class 5 class 4 class 2 class 5 class 4 class 2 max max max max 5 5 6 8 9 10 13 13 15 4 4 5 6 7 8 10 10 12 2.5 2.5 2.5 2.5 4 5 7 7 8 4 4 5 6 7 8 10 10 12 3 3 4 5 5 6 8 8 9 2.5 2.5 2.5 2.5 4 5 7 7 8 3 3 3 4 5 5 7 7 8 2 2 2.5 3 3.5 4 5 5 6 1.5 1.5 1.5 1.5 2 2.5 3.5 3.5 4 4 4 4 5 5 6 8 8 10 2.5 2.5 3 4 4 5 6 6 8 1.5 1.5 2.5 2.5 2.5 2.5 2.5 5 5 over 2.5 10 18 30 50 80 120 150 180 incl 10 18 30 50 80 120 150 180 250 1 the tolerance of bore diameter deviation ds applicable to classes 4 and 2 is the same as the tolerance of mean bore diameter deviation dmp this applies to the diameter series 0 or 2 for class 4 and all the diameter series for class 2 2 applicable to individual bearing rings manufactured for duplex bearings table 9.3 outer rings nominal outside diameter d single plane mean outside diameter deviation dmp class 5 high low 0 0 0 0 0 0 0 0 6 7 9 10 11 13 15 18 class 4 3 high low 0 0 0 0 0 0 0 0 5 6 7 8 9 10 11 13 class 2 3 high low 0 0 0 0 0 0 0 0 4 4 4 5 5 7 8 8 single radial plane outside mean single plane outside outer ring radial diameter variation diameter variation runout vdp vdmp kea diameter series 9 diameter series 0 2 class 5 class 4 class 2 class 5 class 4 class 2 class 5 class 4 class 2 class 5 class 4 class 2 max max max max 6 7 9 10 11 13 15 18 5 6 7 8 9 10 11 13 4 4 4 5 5 7 8 8 5 5 7 8 8 10 11 14 4 5 5 6 7 8 8 10 4 4 4 5 5 7 8 8 3 4 5 5 6 7 8 9 2.5 3 3.5 4 5 5 6 7 2 2 2 2.5 2.5 3.5 4 4 6 7 8 10 11 13 15 18 4 5 5 6 7 8 10 11 2.5 2.5 4 5 5 5 7 7 over 18 30 50 80 120 150 180 250 incl 30 50 80 120 150 180 250 315 3 the tolerance of outside diameter deviation ds applicable to classes 4 and 2 is the same as the tolerance of mean outside diameter deviation dmp this applies to the diameter series 0 or 2 for class 4 and all the diameter series for class 2 60

[close]