Shrink Discs RfN 4161

The RfN 4161 shrink disc features a compact, proven design for reliable high torque transmission.

In Vietnam & some Southeast Asian countries, Dai Hong Phat is an authorized distributor of Ringfeder Power Transmission.

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Key Features of Shrink Discs RfN 4161

The RfN 4161 is the most popular series, widely used across various applications, also known as "thiết bị bóp trục RfN 4161" or "External clamping set". This series is known for achieving high actuation values, making it a versatile and reliable choice for many industries. One of the standout features of the RfN 4161 series is its adjustability.

- Inner Diameter (d): Ranging from 18 mm to 200 mm, it supports a variety of shaft sizes, ensuring adaptability across diverse industrial uses.

- Outer Diameter (D): Spanning 44 mm to 340 mm, it is compatible with a wide array of hub sizes, making it suitable for different mechanical systems.

- Overall Length (L): Measuring between 19 mm and 95.5 mm, the design is both compact and robust, facilitating easy installation and reliable performance across multiple applications.

- Torque (T): With a range of 80 Nm to 124,000 Nm, it can accommodate moderate to extremely high torque demands, making it ideal for a variety of challenging industrial tasks.

Learn more about: Features and Advantages of Shrink Discs in Industrial Applications

Shrink Discs RfN 4161 product specifications

RfN 4161 Catalogue	RfN 4161 Installation Instruction

Shrink Discs dimensions [mm]				T_A	T	Gw	^Tmax
d x D	d_w	d₁	L	[Nm]	[Nm]	[kg]	[Nm]
18 x 44	15	30	19	12	80	0.15	88
	16				110		121
	—				—		—
20 x 47	17	32	19.3	12	150	0.2	165
	18				180		198
	—				—		—
24 x 50	19	36	22	12	160	0.2	176
	20				210		231
	22				280		308
26 x 51.5	20	38	22	12	230	0.2	253
	22				300		330
	24				310		341
30 x 60	24	44	24	12	270	0.3	297
	25				320		352
	26				360		396
36 x 72	27	52	27.3	35	510	0.5	561
	30				710		781
	33				950		1045
38 x 72	27	54	27.3	35	480	0.5	528
	30				650		715
	33				860		946
40 x 80	34	61	29.3	35	810	0.7	891
	35				880		968
	37				960		1056
44 x 80	35	61	29.3	35	800	0.6	880
	36				890		979
	37				1050		1155
50 x 90	38	68	31.3	35	1500	0.8	1650
	40				1700		1870
	42				2000		2200
55 x 100	42	72	34.3	35	1600	1.1	1760
	45				2000		2200
	48				2400		2640
60 x 110	48	80	34.3	35	2200	1.3	2420
	50				2500		2750
	52				2700		2970
62 x 110	48	80	34.3	35	2200	1.3	2420
	50				2500		2750
	52				2700		2970
68 x 115	50	86	34.3	35	2400	1.4	2640
	55				3000		3300
	60				3800		4180
75 x 138	55	100	37.5	70	3700	2.3	4070
	60				4700		5170
	65				5800		6380
80 x 141	60	104	37.5	70	4200	2.3	4620
	65				5200		5720
	70				6300		6930
85 x 155	65	114	45	70	5900	3.7	6490
	70				7200		7920
	75				8500		9350
90 x 155	65	114	45	70	5900	3.5	6490
	70				7200		7920
	75				8500		9350
95 x 170	70	124	49.5	70	7400	4.9	8140
	75				8900		9790
	80				10400		11440
100 x 185	80	139	56.5	121	15000	6.7	16500
	85				17300		19030
	90				19600		21560
---	---	---	---	---	---	---	---

...See more at for more specifications...

Why Choose Shrink Discs RfN 4161?

Shrink Discs 4161 connections secure various types of hubs to shafts and axles, replacing traditional fits like keys and polygon connections.

They are highly reliable for static, dynamic, and impact loads, offering easy mounting with standard tools, quick installation, and low susceptibility to contamination.

Dai Hong Phat Corp specializes in the supply of genuine Ringfeder Shrink Discs RfN 4161 throughout Vietnam

By selecting the Shrink Discs RfN 4161, you invest in a solution that combines precision, durability, and cost-efficiency. Whether for industrial equipment or mechanical systems, this product guarantees optimal performance and reliability.

Dai Hong Phat is the authorized distributor for Ringfeder Germany's locking assemblies in Vietnam.

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