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Quick Locking Assemblies RfN 7070

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Key Features of Quick Locking Assemblies RfN 7070

Ringfeder Quick Locking Assemblies RfN 7070 offer a superior alternative to conventional shaft-hub connections, such as keyways, setscrews, or simple tapered bushings, which often fail to guarantee the necessary freedom from backlash in precision applications. With a single central locknut, these assemblies enable precise axial and radial positioning of components in just a few seconds and with minimal effort. It also known as "khóa trục RfN 7070".

Size Range & Dimensions
- Inner Diameter (d): 5 - 16 mm → Fits shafts/bores in this range.
- Outer Diameter (D): 16 - 26 mm → Wall thickness varies between 10 - 11 mm.

Overall Length
- L: 19 - 28.5 mm → Provides flexibility for different mounting needs.

Torque Capacity
- T: 10 - 52 Nm → Supports both light (10 Nm) and high torque (52 Nm) applications.

Self-Centering Feature
- Ensures automatic alignment during installation.
- Reduces misalignment, improves precision, and minimizes wear.

Potential Applications
RfN 7070 is likely a shrink disc, locking assembly, or self-centering shaft hub connection, ideal for:
- Secure, precise shaft-hub connections.
- High torque transmission with minimal backlash.
- Easy installation/removal without shaft damage.

Product Specifications of Quick Locking Assemblies RfN 7070

RfN 7070 Catalogue	RfN 7070 Installation Instruction

Dimensions [mm]				Transmissible torques & Locking nut [Nm]		SW	Hub p_N	Gw
dxD	L	L1	L3	T_KN	TA	[mm]	[N/mm2]	[kg]
5x16	19	16	9.5	10	18	13	110	0.014
6x16	19	16	9.5	13	18	13	110	0.013
7x20	22	19	11	13	20	16	65	0.028
8x20	22	19	11	15	20	16	65	0.027
9x20	22	19	11	18	20	16	65	0.026
10x23	25.5	20.5	12.5	23	25	19	55	0.042
11x23	25.5	20.5	12.5	25	25	19	55	0.041
12x23	25.5	20.5	12.5	28	25	19	55	0.04
14x26	28.5	23.5	16	46	50	22	64	0.056
15x26	28.5	23.5	16	49	50	22	64	0.055
16x26	28.5	23.5	16	52	50	22	64	0.054

Why Choose Ringfeder’s RfN 7070 Series?

The RfN 7070 Quick Locking Assembly offers exceptional concentricity with its self-centering design, making it ideal for both grooved and grooveless shafts. Its optimized bore-to-outer diameter ratio allows secure mounting on thin-walled components and in tight spaces, ensuring precision and stability in demanding applications.

With a low mass moment of inertia and minimal weight, the RfN 7070 enhances dynamic performance while eliminating backlash—far superior to traditional keyways, setscrews, or tapered bushings. The single central locknut enables quick, precise axial and radial positioning in just seconds, simplifying installation and improving operational efficiency.

Authorized Distributor for Ringfeder Germany in Vietnam

Choosing the Quick Locking Assemblies RfN 7070 means investing in precision, durability, and cost-efficiency. Designed to meet the rigorous demands of industrial equipment and mechanical systems, this product guarantees exceptional performance and reliability.

In Vietnam, Dai Hong Phat Corp is the authorized distributor of Ringfeder Germany, offering genuine, high-quality locking assemblies backed by professional expertise and dedicated service.

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