Radial Ball Bearings Radial Ball Bearings - Rainbow Precision ...

ENGINEERING DATA
TOLERANCES OF RADIAL BALL BEARINGS
TABLE 6
PRECISION CLASS ABEC-5 — Metric
Inner Ring Unit um (.001 mm)
d Vdp
diameter series
mm ∆dmp 7,8,9 0,1,2,3,4 Vdmp Kia Sd Sia ∆Bs VBs
over incl. high low max max max max max max high low max
0.6 2.5 0 -5 5 4 3 4 7 7 0 -40 5
2.5 10 0 -5 5 4 3 4 7 7 0 -40 5
10 18 0 -5 5 4 3 4 7 7 0 -80 5
18 30 0 -6 6 5 3 4 8 8 0 -120 5
30 50 0 -8 8 6 4 5 8 8 0 -120 5
50 80 0 -9 9 7 5 5 8 8 0 -150 6
80 120 0 -10 10 8 5 6 9 9 0 -200 7
120 180 0 -13 13 10 7 8 10 10 0 -250 8
180 250 0 -15 15 12 8 10 11 13 0 -300 10
250 315 0 -18 18 14 9 13 13 15 0 -350 13
315 400 0 -23 23 18 12 15 15 20 0 -400 15
Outer Ring Unit um (.001 mm)
D
VDp
diameter series
mm ∆Dmp 7,8,9 0,1,2,3,4 VDmp Kea SD Sea ∆Cs VCs
over incl. high low max max max max max max high low max
2.5 6 0 -5 5 4 3 5 8 8 5
6 18 0 -5 5 4 3 5 8 8 5
18 30 0 -6 6 5 3 6 8 8 5
30 50 0 -7 7 5 4 7 8 8 5
50 80 0 -9 9 7 5 8 8 10 6
80 120 0 -10 10 8 5 10 9 11 Identical to ∆Bs 8
120 150 0 -11 11 8 6 11 10 13 of inner ring of 8
150 180 0 -13 13 10 7 13 10 14 the same bearing 8
180 250 0 -15 15 11 8 15 11 15 10
250 315 0 -18 18 14 9 18 13 18 11
315 400 0 -20 20 15 10 20 13 20 13
400 500 0 -23 23 17 12 23 15 23 15
59