Ground (P0-P5)

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These geometric tolerances apply whenever there are no further information. The charts below apply for all ground ball screws.

For Measuring of run-out tolerances on shaft, we recommend to hold the shaft between centers and turn it consistently during the measurement. To measure the concentricity of the nut, it is necessary to turn the nut on the shaft while the shaft stands still.

Concentricity

Radial run-out Z1 (modify Measuring E 6.2 according to DIN ISO 3408)

Nominal-Ø [mm]	P0 [µm]	P1 [µm]	P3 [µm]	P5 [µm]
3 - 8	3	5	8	10
10 - 12	4	5	8	11
16 - 20	4	6	9	12
25 - 32	5	7	10	13
36 - 50	6	8	12	15
60 - 80	7	9	13	17
100 - 160	-	10	15	20

Radial run-out Z2 (modify Measuring E 7.2 according to DIN ISO 3408)

Nominal-Ø [mm]	P0 [µm]	P1 [µm]	P3 [µm]	P5 [µm]
3 - 8	3	5	8	10
10 - 12	4	5	8	11
16 - 20	4	6	9	12
25 - 32	5	7	10	13
36 - 50	6	8	12	15
60 - 80	7	9	13	17
100 - 160	-	10	15	20

Radial run-out Z4 (modify Measuring E 10 according to DIN ISO 3408)

Nominal-Ø [mm]	P0 [µm]	P1 [µm]	P3 [µm]	P5 [µm]
3 - 16	5	7	8	11
20 - 40	7	8	11	13
50 - 80	8	11	13	17
100 - 160	11	13	17	21

Run-out Z6 (modify Measuring E 5 according to DIN ISO 3408)

Axial run-out

Axial run-out Z3 (modify Measuring E 8.2 according to DIN ISO 3408)

Nominal-Ø [mm]	P0 [µm]	P1 [µm]	P3 [µm]	P5 [µm]
3 - 50	2	3	4	5
60 - 80	3	4	5	7
100 - 160	-	4	6	8

Nominal-Ø

[mm]

[µm]

3 - 50

60 - 80

100 - 160

Axial run-out Z5 (modify Measuring E 9 according to DIN ISO 3408)

Nominal-Ø [mm]	P0 [µm]	P1 [µm]	P3 [µm]	P5 [µm]
3 - 8	5	7	8	11
10 - 25	7	8	11	13
28 - 63	8	11	13	17
80 - 125	11	13	17	21
160	-	-	21	27