SP and UP class tolerances for 1:12 tapered bore

Bore diameter		Tolerance class SP					Tolerance class UP
d		tΔdmp		tVdsp1)	tΔSL		tΔdmp		tVdsp1)	tΔSL
>	≤	U	L		U	L	U	L		U	L
mm		μm		μm	μm		μm		μm	μm
18	30	+10	0	3	+4	0	+6	0	2,5	+2	0
30	50	+12	0	4	+4	0	+7	0	3	+3	0
50	80	+15	0	5	+5	0	+8	0	3,5	+3	0
80	120	+20	0	5	+6	0	+10	0	4	+4	0
120	180	+25	0	7	+8	0	+12	0	5	+4	0
180	250	+30	0	8	+10	0	+14	0	6	+5	0
250	315	+35	0	9	+12	0	+15	0	8	+6	0
315	400	+40	0	12	+12	0	+17	0	10	+6	0
400	500	+45	0	14	+14	0	+19	0	12	+7	0
500	630	+50	0	18	+15	0	+20	0	13	+11	0
630	800	+65	0	23	+19	0	+22	0	17	+13	0

Tolerance symbols and definitions → table

1. 1) Applies in any cross section of the bore.