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EK7-Elastomer coupling with expanding shaft hub

For hollow shaft mounting
Short overall lenght
Saves mounting space and costs

DetailsParameter

Features
- For hollow shaft mounting
- Short overall lenght
- Saves mounting space and costs
Temperature range
- Depending on elastomer insert
Design
- One concentrically machined hub with curved jaws and a side clamping screw
- An expanding shaft with inner cone and screw
Material
- Hubs:
  - up to 450 series – high-strength aluminum
  - from series 800 – steel
- Elastomer insert: wear-resistant thermally stable TPU
- Expanding shaft hub: steel
- Inner cone: steel

	EK7 5			EK7 10			EK7 20			EK7 60			EK7 150			EK7 300			EK7 400			EK7 450			EK7 600			EK7 800
Model	EK7 5 A	EK7 5 B	EK7 5 C	EK7 10 A	EK7 10 B	EK7 10 C	EK7 20 A	EK7 20 B	EK7 20 C	EK7 60 A	EK7 60 B	EK7 60 C	EK7 150 A	EK7 150 B	EK7 150 C	EK7 300 A	EK7 300 B	EK7 300 C	EK7 400 A	EK7 400 B	EK7 400 C	EK7 450 A	EK7 450 B	EK7 450 C	EK7 600 A	EK7 600 B	EK7 600 C	EK7 800 A	EK7 800 B	EK7 800 C
Rated torque(Nm)	9	12	2	12.5	16	4	17	21	6	60	75	20	160	200	42	325	405	84	410	520	90	530	660	95	700	840	150	950	1100	240
Outside diameter screw head(mm)	25	25	25	32	32	32	44.5	44.5	44.5	57	57	57	68	68	68	85	85	85	98	98	98	105	105	105	122	122	122	139	139	139
Standard speed(rpm)	15,000	15,000	15,000	13,000	13,000	13,000	12,500	12,500	12,500	11,000	11,000	11,000	10,000	10,000	10,000	9,000	9,000	9,000	8,500	8,500	8,500	8,000	8,000	8,000	6,800	6,800	6,800	4,000	4,000	4,000
Outside diameter range ? bis ? h7 (mm)	10-16	10-16	10-16	13-25	13-25	13-25	14-30	14-30	14-30	23-38	23-38	23-38	26-42	26-42	26-42	38-60	38-60	38-60	40-65	40-65	40-65	42-70	42-70	42-70	42-75	42-75	42-75	42-80	42-80	42-80
Overall length(mm)	22.3	22.3	22.3	28	28	28	40	40	40	46	46	46	51	51	51	68	68	68	74	74	74	76	76	76	88	88	88	94	94	94

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Next：EKZ-Intermediate spacer

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