Locking Assemblies RfN 7004

The Ringfeder RfN 7004 is an extended version of the RfN 7003, designed for smaller hub diameters with reduced shaft and hub pressure.

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Key Features of Locking Assemblies RfN 7004

The Locking Assemblies RfN 7004 series, also known as khớp khóa trục RfN 7004 in Vietnamese, is a versatile and cost-efficient solution designed for effective hub connections.

- Self-Centering Design: Ensures optimal alignment, reducing wear and extending operational life.

- Versatile Inner Diameter Range: Suitable for shafts with diameters between 19 mm and 180 mm.

- Robust Outer Diameter Range: Accommodates hubs with diameters from 47 mm to 235 mm.

- Compact Overall Length: Designed with lengths ranging from 45 mm to 98 mm, ideal for space-limited applications.

- High Torque Capacity: Handles torque from 530 Nm to an impressive 63,903 Nm, making it suitable for heavy-duty applications.

Learn more: The origins of Locking Assemblies

Locking Assemblies RfN 7004 product specifications

RfN 7004 Catalogue	RfN 7004 Installation Instruction

Dimensions [mm]				Transmissible torques [Nm]		Locking screws
d x D	L	L1	L3	T	TA	nSc	DG
19x47	45	39	26	530	17	6	M6
20x47	45	39	26	550	17	6	M6
22x47	45	39	26	610	17	6	M6
24x50	45	39	26	660	17	6	M6
25x50	45	39	26	690	17	6	M6
28x55	45	39	26	770	17	6	M6
30x55	45	39	26	830	17	6	M6
32x60	45	39	26	1180	17	8	M6
35x60	45	39	26	1295	17	8	M6
38x65	45	39	26	1400	17	8	M6
40x65	45	39	26	1480	17	8	M6
42x75	55	47	30	2120	41	6	M8
45x75	55	47	30	2270	41	6	M8
48x80	55	47	30	3230	41	6	M8
50x80	55	47	30	3365	41	8	M8
55x85	55	47	30	3700	41	8	M8
60x90	55	47	30	4035	41	8	M8
65x95	55	47	30	4370	41	8	M8
70x110	67	62	40	7615	83	8	M10
75x115	72	62	40	8160	83	8	M10
80x120	72	62	40	8700	83	8	M10
85x125	72	62	40	11560	83	10	M10
90x130	72	62	40	12240	83	10	M10
95x135	72	62	40	12920	83	10	M10
100x145	89	77	46	16270	145	8	M10
110x155	89	77	46	17900	145	8	M10
120x165	89	77	46	24410	145	10	M12
130x180	89	77	46	31735	145	12	M12
140x190	98	84	51	35502	210	10	M14
150x200	98	84	51	45645	210	12	M14
160x210	98	84	51	48688	210	12	M14
170x225	98	84	51	60353	210	14	M14
180x235	98	84	51	63903	210	14	M14

Why Choose Ringfeder’s RfN 7004 Series?

Ringfeder has set the benchmark for superior power transmission solutions worldwide. The RfN 7004 series extends its utility by offering a cost-effective hub design that combines advanced engineering with reliable performance.

The RfN 7004 Locking Devices are widely used across various industries, including:

- Mechanical engineering

- Automotive manufacturing

- Renewable energy systems

- With its self-centering feature and high torque capacity, this series guarantees reduced downtime, enhanced efficiency, and long-term reliability.

Learn more: Application of a Locking Assembly in a Ball Mill for Cement Production

Dai Hong Phat Corp specializes in the supply of genuine Ringfeder RfN 7004 throughout Vietnam.

By choosing the Locking Assemblies RfN 7004, you invest in a solution that combines precision, durability, and cost-efficiency. Whether for industrial equipment or mechanical systems, this product ensures optimal performance and reliability.

In Viet Nam, Dai Hong Phat is an authorized distributor for locking assambly Ringfeder Germany.

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