DR Models - Suspension Units - RUBBER SPRING ROSTA - MIKI PULLEY VIETNAM

The DR models are the basic standard ROSTA rubber springs. Choose a combination of metal outer shell and metal or aluminum alloy inner shell for your application and mounting method.They can be used for an assortment of applications, including disc springs for general machinery, elastic guides, tensioners, and flexible stoppers.

DR Models

[Specifications]

Size	Torque at torsional angle ［N・m］						Mass ［kg］
	5°	10°	15°	20°	25°	30°
11×20	0.3	0.8	1.3	2.0	2.9	4.0	0.04
11×30	0.4	1.2	2.0	3.1	4.3	6.0	0.05
11×50	0.7	2.0	3.4	5.1	7.2	10.0	0.08
15×25	0.7	1.6	2.6	4.0	5.7	8.2	0.07
15×40	1.1	2.5	4.2	6.4	9.2	13.2	0.11
15×60	1.6	3.8	6.3	9.6	13.8	19.8	0.16
18×30	1.9	4.5	7.5	11.0	15.0	20.6	0.11
18×50	3.2	7.5	12.5	18.3	25.0	34.4	0.18
18×80	5.1	12.0	20.0	29.3	40.0	55.0	0.29
27×40	4.7	10.7	17.5	26.9	39.5	57.0	0.26
27×60	7.0	16.0	26.3	40.3	59.3	85.5	0.38
27×100	11.7	26.7	43.8	67.2	98.8	142.5	0.62
38×60	13.0	30.4	50.6	78.0	113.0	162.0	0.63
38×80	17.3	40.5	67.5	104.0	151.0	216.0	0.85
38×120	26.0	60.8	101.2	156.0	226.0	324.0	1.24
45×80-N	27.6	62.4	104.0	160.0	222.0	320.0	1.42
45×100-N	34.5	78.0	130.0	200.0	278.0	400.0	1.76
45×150-N	51.8	117.0	195.0	300.0	420.0	600.0	2.62
50×120-N	51.0	133.0	250.0	395.0	570.0	780.0	2.37
50×200-N	102.0	260.0	475.0	745.0	1070.0	1450.0	3.91
50×300-N	150.0	385.0	700.0	1100.0	1590.0	2160.0	5.80

[Dimensions]

Unit ［mm］

Size		A	C	E	L	L1	T+0.50
DR-S	DR-A
11×20	－	20	8+0.250	－	20	25	－
11×30	－	20	8+0.250	－	30	35	－
11×50	－	20	8+0.250	－	50	55	－
15×25	15×25	27	11+0.250	10	25	30	5
15×40	15×40	27	11+0.250	10	40	45	5
15×60	15×60	27	11+0.250	10	60	65	5
18×30	18×30	32	12+0.250	12	30	35	6
18×50	18×50	32	12+0.250	12	50	55	6
18×80	18×80	32	12+0.250	12	80	85	6
27×40	27×40	45	22+0.250	20	40	45	8
27×60	27×60	45	22+0.250	20	60	65	8
27×100	27×100	45	22+0.250	20	100	105	8
38×60	38×60	60	30+0.250	25	60	70	10
38×80	38×80	60	30+0.250	25	80	90	10
38×120	38×120	60	30+0.250	25	120	130	10
45×80-N	45×80-N	75	35+0.250	35	80	90	12
45×100-N	45×100-N	75	35+0.250	35	100	110	12
45×150-N	45×150-N	75	35+0.250	35	150	160	12
50×120-N	50×120-N	80	40+0.250	40	120	130	M12×40
50×200-N	50×200-N	80	40+0.250	40	200	210	M12×40
50×300-N	50×300-N	80	40+0.250	40	300	310	M12×40

*The BR model is applicable as the mounting clamp. (Please refer to options)

OPTIONS:

Clamp BR Models

BR Models

Dimensions

Unit [mm]

Model	Applicable unit	A	B	C	E	F	T	Mass [kg]
BR-11	DR-□-11	20	20	37	50	2	6	0.03
BR-15	DR-□-15	27	25	50	65	2	7	0.04
BR-18	DR-□-18	32	30	60	80	2.5	9	0.08
BR-27	DR-□-27	45	35	80	105	3	11	0.15
BR-38	DR-□-38	60	40	100	125	4	13	0.26
BR-45-N	DR- □ -45(-N)	75	45	120	150	5	13	0.48
BR-50-N	DR- □ -50(-N)	80	50	135	180	6	18	0.71

• 
  

Bracket WS/WD Models

WS/WD Models

Dimensions

Unit [mm]

Model	Applicable unit	A	B	C	D	E	F	G	H1	H2	J	K	S	T	U	Mass [kg]
WS-11/WD-15	DR, DK, DO-A-15	46	45	30	7	30	13	11.5	27	35	10	7.5	4	6.5	5.5	0.08
WS-15/WD-18	DR-, DK-, DO-A-18	58	55	32	7	40	13	13.5	34	44	12	7.5	5	8.5	6.5	0.15
WS-18/WD-27	DR-, DK-, DO-A-27	74	70	38	9.5	50	15.5	16.5	43	55	20	10	6	10.5	8.5	0.28
WS-27/WD-38	DR-, DK-, DO-A-38	98	90	52	11.5	65	21.5	21	57	75	25	12.5	8	12.5	10.5	0.70
WS-38/WD-45	DR-, DK-, DO-A-45	116	110	55	14	80	24	21	66	85	35	15	8	16.5	12.5	0.90
WS-45/WD-50	DR, DK, DO-A-50	140	140	66	18	100	30	26	80	110	40	20	10	20.5	12.5	1.80

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