Product Overview

ST-UU-Stroke Rotary Bearing

The Stroke Rotary Bushing ST Series is a highly compact, precision linear motion rolling guide designed by IKO (Nippon Thompson) to achieve simultaneous rotational and linear motion in the axial direction.

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The ST-Stroke Rotary Bushing is a high-precision linear motion rolling guide that is uniquely designed to provide both linear (axial) motion and rotary motion simultaneously. As an essential component for precision machinery, this series combines an external cylinder and retainer-incorporated balls to enable smooth, accurate, and stable combined movement.

Shaft Ø (mm)	Ordinary Type	Mass (g)	Fw (mm)	D (mm)	L₁ (mm)	L₂ (mm)	T (mm)	t (mm)	r (mm)	Max Stroke (ST–UU) (mm)	C (N) ST–UU	C₀ (N) ST–UU	Max Stroke (ST–UUB) (mm)	C (N) ST–UUB	C₀ (N) ST–UUB
8	ST 81524 UU	16.5	8	15	24	12.3	1.5	0.5	0.5	14	315	211	–	–	–
10	ST 101930 UU	30.7	10	19	30	15.5	1.5	0.5	0.5	16	659	466	–	–	–
12	ST 122332 UU	45	12	23	32	17.1	1.5	0.5	0.5	17	1 110	822	–	–	–
16	ST 162837 UU	74	16	28	37	21.1	1.5	0.5	0.5	25	1 230	998	–	–	–
20	ST 203245 UU	107	20	32	45	26.8	2	0.5	0.5	37	1 390	1 250	–	–	–
25	ST 253745 UU	121	25	37	45	26.8	2	0.5	1	37	1 450	1 430	–	–	–
30	ST 304565 UU	215	30	45	65	45.1	2.5	0.5	1	65	3 110	3 160	27	5 060	6 320
35	ST 355270 UU	342	35	52	70	50.1	2.5	0.7	1.5	75	3 290	3 550	37	5 340	7 100
40	ST 406080 UU	529	40	60	80	59.9	2.5	0.7	1.5	91	4 360	4 810	49	7 050	9 630
45	ST 456580 UU	577	45	65	80	59.9	2.5	0.7	1.5	91	5 330	5 360	49	7 390	10 700
50	ST 5072100 UU	836	50	72	100	77.4	3	1	1.5	120	5 790	6 970	70	9 400	13 900
55	ST 5580100 UU	1 190	55	80	100	77.4	3	1	2	120	6 030	7 630	70	9 800	15 300
60	ST 6085100 UU	1 270	60	85	100	77.4	3	1	2	120	6 260	8 300	100	10 200	16 600
70	ST 7095100 UU	1 430	70	95	100	77.4	3	1	2	120	6 510	9 320	100	10 600	18 600
80	ST 80110100 UU	2 080	80	110	100	77	3	1.5	2	114	8 250	12 200	58	13 400	24 000
90	ST 90120100 UU	2 290	90	120	100	77	3	1.5	2	114	8 550	13 500	58	13 900	27 000
100	ST 100130100 UU	2 540	100	130	100	77	3	1.5	2	114	8 800	14 800	58	14 300	29 500