Let’s learn about Ringfeder Mini Locking Assemblies RfN 7090 SST with Dai Hong Phat, through the following article!
1. About Dai Hong Phat Corp – Ringfeder Germany
– Dai Hong Phat Corp is the official authorized representative of Ringfeder Germany in Vietnam (Ringfeder Vietnam), Laos, Cambodia, Philippines and Bangladesh. We provide genuine transmission shaft coupling solutions that meet international standards, helping to optimize the performance and durability of machinery systems.
– Ringfeder Germany – the world’s leading brand in transmission and shock absorber solutions, with over 100 years of history of creation and innovation. Founded in 1922, with the first product “friction springs“, Ringfeder has become a global symbol of prestige for quality and reliability.
– Ringfeder Mini Locking Assemblies RfN 7090 SST products supplied by Dai Hong Phat are 100% genuine imported, with full CO/CQ, meeting international quality standards.
Certificate of Dai Hong Phat Corp is an authorized representative of Ringfeder Germany in Vietnam
See more: Other Ringfeder Locking Assemblies
2. Features and characteristics of RfN Mini Locking Assembly 7090 SST:
– Ringfeder RfN 7090 SST is manufactured by Ringfeder/Germany.
– Ringfeder RfN 7090 SST has shaft hole diameter: 4-20 mm.
– Outside diameter D: 8-28 mm.
– Overall length L: 15-28 mm.
– Torque T: 3-31 Nm.
– Simple locking and unlocking with just one knob.
– To fix a damaged keyway, simply slide the locking assembly into the keyway position, for quick and effective repair.
– Ringfeder RfN enables precise axial and radial positioning of components, in just seconds with simple operations.
View product: Ringfeder Locking Assemblies RfN 7085
| FOR ANY INQUIRIES OR QUOTATION REQUESTS, PLEASE CONTACT: SALES DEPARTMENT HOTLINE: +84906 955 057 – EMAIL: INFO@DHP-CORP.COM.VN |
3. Application of Mini Locking Assembly RfN 7090 SST:
Ringfeder RfN 7090 SST is widely used in the medical field:
– Ringfeder RfN is designed to suit medical applications that require compact size and high precision.
– Thanks to the operating mechanism through a central nut, the installation and disassembly process becomes simple and quick.
– The design of mini locking assembly ensures that adverse deformations are minimized, helping to protect and increase the life of related components.
RfN 7090 SST is also used in high-tech applications such as: reducers, conveyor rollers, hybrid motors, drive chains, packaging machines, and linear slide rails.

See article: Applications of Ringfeder RfN Mini Locking Assemblies
4. Technical parameters of Ringfeder Locking Assembly RfN 7090 SST:
| Catalogue RfN 7090 SST mini locking assembly |
Installation instructions RfN 708590 SST mini locking assembly |
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Specifications of Mini Locking Assembly RfN 7090 SST:
| Dimensions [mm] | SW [mm] | TKN [Nm] |
TA [Nm] |
Gw [kg] |
||
| dxD | L | L1 | ||||
| 4×8 | 15 | 12.5 | 8 | 3 | 4 | 0.004 |
| 5×10 | 15 | 12.5 | 10 | 4 | 5 | 0.007 |
| 6×10 | 15 | 12.5 | 10 | 7 | 8 | 0.006 |
| 6.35×10 | 15 | 12.5 | 10 | 7 | 8 | 0.005 |
| 7×12 | 15 | 12 | 12 | 8 | 9 | 0.006 |
| 8×14 | 22 | 19 | 17 | 14 | 15 | 0.017 |
| 9×14 | 22 | 19 | 17 | 14 | 15 | 0.015 |
| 9.52×14 | 22 | 19 | 17 | 14 | 15 | 0.013 |
| 10×17 | 22 | 18.5 | 19 | 18 | 19 | 0.029 |
| 11×17 | 22 | 18.5 | 19 | 18 | 19 | 0.028 |
| 12×17 | 22 | 18.5 | 19 | 18 | 19 | 0.026 |
| 14×20 | 28 | 23 | 22 | 24 | 25 | 0.035 |
| 15×20 | 28 | 23 | 22 | 24 | 25 | 0.036 |
| 15.88×23 | 28 | 23 | 27 | 26 | 27 | 0.048 |
| 16×23 | 28 | 23 | 27 | 26 | 27 | 0.05 |
| 17×23 | 28 | 23 | 27 | 26 | 27 | 0.045 |
| 19×25 | 28 | 23 | 27 | 29 | 30 | 0.047 |
| 20×28 | 28 | 23 | 30 | 31 | 32 | 0.067 |
5. Why choose Dai Hong Phat Corp?
100% genuine products imported directly from Ringfeder Germany.
Protect customers from counterfeit goods and always provide full CO/CQ documents.
Goods in stock, fast delivery nationwide 24/7.
Free technical consultation and support for drawings, catalogs.
Refined processing workshop to meet individual requirements.
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With more than 15 years of experience, Dai Hong Phat Shaft Coupling is proud to be a trusted partner of hundreds of domestic and foreign enterprises.
Let us accompany your sustainable development!
DAI HONG PHAT TECHNICAL PRODUCTION TRADING SERVICES CO., LTD
– Ho Chi Minh City Office: 22 Street 11, Khang Dien Residential Area, Duong Dinh Hoi Street, Phuoc Long Ward, City. HCM
– Hanoi Office: No. 14-15A, 7th Floor, Charmvit Building, No. 117 Tran Duy Hung, Thanh Xuan Ward, Hanoi City.
– Tel HCM: +84.28.22536631 – 22536632 – 66818587 | | Fax: 028.22536632
– Hotline: 0906.955.057 | – Email: info@dhp-corp.com.vn
– Website: https://en.daihongphat.asia/ – https://khopnoitruc.com/ – https://ringfeder.com.vn/






















