FRUA Series Steady Rest

This steady rest is utilized in applications where vertical loading is required.

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Steady Rest Type		FRUA 2	FRUA 3	FRUA3.1	FRUA 4	FRUA 5	FRUA 6
	A	295	463	—-	609	686	980
	B	195	308	316	437	500	709
	C	70	115	123	146	178	215
	D	85	135	135	240	270	330
	E	170	262	262	365	400	610/640
	F	205	290	290	400	450	705
	G	70	85	85	110	145	145
	I	33	37	37	38	37	37
	J	42	53.5	52	67	78.5	83
	K	35	45	45	60	75	75
	L	19	25	25	25	29	29
	M	35	47	47	52	62	80
	N	21	20	25	32	40	42
	O	100	155	149	172	186	271
	P1	102	137	137	165	168	200
	P2	66	92	90	102	94	120
	P3	75	92	94	110	118	135
	R	75	119	124	172	209	290
	S	14	18	18	23	23	27
	T	68	102	102	126	144	158
	V	60	91.5	99.5	128	160	175
	Y	19	19	19	19	20	19
Centering range without chip guard	U1	8	12	20	30	48	160
Centering range without chip guard	U2	80	130	150	220	268	460**
Centering range with 3 piece chip guard	U1	16	20	20	30	48	160
Centering range with 3 piece chip guard	U2	80	130	150	220	268	460**
	Z	41	55	76	111	135	230**
	Z1	34	54	74	106	130	225**
Cylinder bore	d (dia)	50	80	80	100	100	130
Hydraulic connection (BSP)	h	1/4″	1/4″	1/4″	3/8″	3/8″	3/8″
Operating pressure min(max)	bar	8(60)	8(60)	8(60)	8(60)	8(60)	8(70)
Max clamp force/roller	daN	350	1000	1000	1500	2000	3000
Clamping pressure/roller at 15 bar	daN	100	250	250	500	500	670
Centering accuracy over entire clamping range	mm	0.02	0.04	0.04	0.05	0.06	0.06
Repeatability	mm	0.005	0.007	0.007	0.007	0.01	0.01
Max peripheral speed	m/min	950	800	800	725	670	525
Approx weight	kg	18.5	48	48	104	160	430
** Angle of inclination is 19 degree instead of 30 degree

FRU Series Steady Rest