Let’s learn about Ringspann Internal Freewheels FA with Dai Hong Phat, through the following article!
1. About Dai Hong Phat – Ringspann Germany
– Dai Hong Phat is the official distributor of Ringspann Germany in Vietnam. We provide genuine transmission shaft coupling solutions that meet international standards, helping to optimize the performance and durability of machinery systems.
– Ringspann was founded in 1944 in Bad Homburg, Germany. Main products include: industrial brakes, freewheels, shaft-hub connections, solid & elastic couplings, Overload clutches, precision clamping fixtures, and remote control systems for many industries such as energy, machine tools, conveyors, and port equipment
– Ringspann Internal Freewheels FA supplied by Dai Hong Phat are 100% genuine imported, with full CO/CQ, meeting international quality standards.
Reference: Other Ringspann internal freewheels lines
2. Characteristics of the Ringspann Freewheels FA
– Manufactured brand: Ringspann/Germany
– Manufacturer: Ringspann / Germany
– Nominal torque capacity: Up to 2,500 Nm
– Bore diameter: From approximately 20 mm to ≤ 85 mm, with various standard sizes available
– Optional version with RIDUVIT®-coated sprags for extended service life
– Internal design: Sprag-type one-way clutch with sleeve bearings, grease-lubricated, maintenance-free throughout its service life
– Maintenance-free operation: Grease lubrication ensures lifetime performance without regular servicing
– Simple, reliable construction for easy installation on standard shaft sizes
– Dual functionality: Can be used as a backstop or for indexing, depending on the application
– Upgrade option available with RIDUVIT® coating for enhanced sprag durability
View more product: Internal Freewheels FXN
| FOR ANY INQUIRIES OR QUOTATION REQUESTS, PLEASE CONTACT: SALES DEPARTMENT HOTLINE: +84906 955 057 – EMAIL: INFO@DHP-CORP.COM.VNb |
3. Applications of the Integrated Freewheels FA
Backstop FA: Ideal for low-speed applications where reverse rotation must be prevented.
Example: In punch press feeding systems, the FA 82 SFT is used with a lever arm for cyclic control, and the RIDUVIT® sprag coating extends the service life
– Typical applications: Inclined conveyors, pressing machines, or any system requiring anti-backdriving
– Indexing applications: Suitable for stepwise or ratchet-type movement
Recommended for medium torque loads (≤ 2,500 Nm) and standard shafts up to 85 mm, where compact design and low maintenance are critical requirements.
4. Technical drawing of the Intergrated Freewheels FA
| Catalogue Ringpann Freewheels FA |
Installation Ringpann Freewheels FA |
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| Freewheels size | Type | Bore d | C | D | E | H | L | N | Weight | |
| Standard mm |
max. mm |
mm | kg | |||||||
| FA 37 | SF | 20 | 25* | 35 | 76 | 12 | 90 | 35 | 11,5 | 1 |
| FA 57 | SF | 40 | 42* | 50 | 100 | 16 | 125 | 45 | 14,5 | 2,5 |
| FA 82 | SF | 50 | 65* | 60 | 140 | 18 | 160 | 60 | 21 | 5,5 |
| FA 107 | SF | 70 | 85* | 80 | 170 | 20 | 180 | 65 | 22,5 | 8,5 |
5. Why choose Dai Hong Phat?
– 100% genuine products imported directly from Ringspann Germany.
– Protect customers from counterfeit goods and always provide full CO/CQ documents.
– Goods in stock, fast delivery nationwide 24/7.
– Free technical advice and support for drawings and catalogs.
– Fine-tuning workshop to meet individual requirements.
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With more than 15 years of experience, Dai Hong Phat Transmission 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: +84906.955.057 | – Email: info@dhp-corp.com.vn
– Website: https://en.daihongphat.asia/ – https://khopkhoatruc.com/ – https://ringfeder.com.vn/













