Inner Frictional Connections IS

Type IS4.1 with reduced contact stress

Locking Units IS 4.1 are suitable for:
Shaft diameters from 100 to 600 mm.
Transmissible torques from 11 to 903 kNm.

Further information and product data can be obtained from our PDF catalogue, which you can download here.

Here you can download our electronical catalogue, which also supports some useful calculations.

To find CAD models please click the Traceparts logo:

Available Locking Units (other sizes on request):

Description	Capacity data					Main Dimensions
Type d x D	Mt [kNm]	Pax [kN]	Pw [N/mm²]	Pn [N/mm²]	Weight [kg]	L1 [mm]	L2 [mm]	L3 [mm]	L4 [mm]
IS 4.1 100 x 145	11	224	90	73	4,5	66	28	76	86
IS 4.1 110 x 155	13	240	88	73	4,8	66	28	76	86
IS 4.1 120 x 165	16	267	89	77	5,2	66	28	76	86
IS 4.1 130 x 180	20	312	84	70	7,2	76	33	86	96
IS 4.1 140 x 190	22	320	80	68	7,7	76	33	86	96
IS 4.1 150 x 200	27	364	85	73	8,2	76	33	86	96
IS 4.1 160 x 210	31	390	85	75	8,6	76	33	86	96
IS 4.1 170 x 225	38	449	82	70	11	86	38	98	110
IS 4.1 180 x 235	47	524	90	78	12	86	38	98	110
IS 4.1 190 x 250	57	599	82	69	17	102	46	114	126
IS 4.1 200 x 260	67	674	88	75	17	102	46	114	126
IS 4.1 220 x 285	91	828	91	77	22	110	50	122	136
IS 4.1 240 x 305	99	822	83	72	24	110	50	122	136
IS 4.1 260 x 325	122	937	87	76	26	110	50	122	136
IS 4.1 280 x 355	181	1294	94	81	38	130	60	146	162
IS 4.1 300 x 375	215	1431	97	84	40	130	60	146	162
IS 4.1 320 x 405	276	1725	93	78	58	154	72	170	188
IS 4.1 340 x 425	294	1732	88	75	62	154	72	170	188
IS 4.1 360 x 455	372	2065	85	72	85	178	84	198	216
IS 4.1 380 x 475	393	2068	81	69	89	178	84	198	216
IS 4.1 400 x 495	414	2068	77	66	93	178	84	198	216
IS 4.1 420 x 515	507	2412	86	74	97	178	84	198	216
IS 4.1 440 x 545	530	2409	72	61	128	202	96	226	246
IS 4.1 460 x 565	554	2409	69	59	134	202	96	226	246

Description	Capacity data					Main Dimensions
Type d x D	Mt [kNm]	Pax [kN]	Pw [N/mm²]	Pn [N/mm²]	Weight [kg]	L1 [mm]	L2 [mm]	L3 [mm]	L4 [mm]
IS 4.1 480 x 585	578	2409	66	57	139	202	96	226	246
IS 4.1 500 x 605	703	2811	74	64	144	202	96	226	246
IS 4.1 520 x 630	731	2811	71	62	157	202	96	226	246
IS 4.1 540 x 650	759	2811	68	60	162	202	96	226	246
IS 4.1 560 x 670	843	3012	71	62	168	202	96	226	246
IS 4.1 580 x 690	873	3012	68	60	173	202	96	226	246
IS 4.1 600 x 710	903	3012	66	59	179	202	96	226	246