Designation	Max. stroke mm	Number of rows	Major dimensions and tolerance											Basic load rating		Weight (gf)
				dr		D		L	mm	T mm	t mm	d mm	r mm	Dynamic Co N	Static Co N
			mm	tolerance μ m	mm	tolerance μ m	mm	tolerance μ m
ST 8B	8	6	8	﹢22 ﹢13	15	0/﹣11	24	0 ﹣0.2	17.1	1.5	0.5	1.2	0.5	549	490	16.8
ST 10B	8	6	10		19		30		22.7	1.5	0.5	1.2	0.5	1,030	931	31.2
ST 12B	8	6	12	﹢27 ﹢16	23	0 -13	32		24.5	1.5	0.5	1.2	0.5	1,720	1,630	46
ST 16B	16	6	16		28		37		29.1	1.5	0.7	1.3	0.5	1,910	1,980	75
ST 20B	20	6	20	﹢33 ﹢20	32	0 ﹣16	45		35.8	2	0.7	1.5	0.5	2,060	2,320	106
ST 25B	20	6	25		37		45	0 ﹣0.3	35.8	2	0.7	1.6	1	2,170	2,670	125
ST 30B	44	6	30		45		65		53.5	2.5	1	2	1	4,800	6,270	220
ST 35B	54	6	35	﹢41 ﹢25	52	0 ﹣19	70		58.5	2.5	1	2	1.5	5,050	7,060	346
ST 40B	66	6	40		60		80		68.3	2.5	1	2	1.5	6,710	9,560	540
ST 50B	88	6	50		72		100		86.4	3	1	2.5	1.5	8,970	13,800	862
ST 60B	88	6	60	﹢49 ﹢30	85	0 ﹣22	100		86.4	3	1	2.5	2	9,700	16,500	1290
ST 80B	76	6	80		110		100	0 ﹣0.4	86	3	1.5	2.5	2	12,700	24,300	2110
ST 100B	76	6	100	﹢58/﹢36	130	0/﹣25	100		86	3	1.5	2.5	2	13,700	29,400	2520