1. Why choose Dai Hong Phat Corp. as the supplier for Locking Assemblies Ringfeder RfN 7515?
In the current Vietnamese market, there are numerous renowned brands in the field of manufacturing transmission equipment. Among them is Ringfeder, a well-known German brand specializing in high-quality transmission equipment. Therefore, Đại Hồng Phát has become the authorized representative for genuine Ringfeder products in Vietnam.
The outstanding benefits when purchasing Ringfeder products from Dai Hong Phat Corp. include:
– Procuring genuine Ringfeder locking assemblies RfN 7515 directly imported from the manufacturer.
– Safeguarding against risks and counterfeit products.
– Providing complete CO/CQ documentation for customers.
– Having readily available stock for quick delivery.
– Supplying technical drawings upon request.
– Dedicated and experienced technical support team.
– Offering free consultation for optimal solutions tailored to customers’ factories.
– Providing authentic product catalogues.
– Offering free customization of technical specifications and dimensions.
– Nationwide 24/7 delivery service to minimize downtime.
– Operating a professional machining workshop for custom requirements.
2. Dai Hong Phat Corp is the authorized representative specializing in supplying all Ringfeder products throughout Vietnam:
Established in 2010, Dai Hong Phat Corp. provides transmission equipment from major brands such as KTR, Westcar, JAC, and others. In addition, Dai Hong Phat Corp. collaborates with Ringfeder to become the authorized distributor of 100% genuine products in Vietnam and the Southeast Asia region (Authorized Distributor for Ringfeder Products in Vietnam, Laos, Cambodia, Philippines, …).
3. Characteristics of Locking Assembly Ringfeder RfN 7515:
– Locking Assemblies RfN 7515 are manufactured by Ringfeder/Germany.
– Shaft diameter range: from 60mm to 640mm.
– Inner diameter d: 60-640 mm.
– Outer diameter D: 95-735 mm.
– Total length L: 58-177 mm.
– Torque T: 4,299-1.3Mio Nm.
– Three-piece double taper design, featuring a relatively wide contact surface, facilitating extremely high torque transmission.
– Excellent concentricity, providing lower surface pressure to reduce stress on the shaft.

View more product “Locking Assemblies RfN 7006“
| FOR ANY INQUIRIES OR QUOTATION REQUESTS, PLEASE CONTACT: SALES DEPARTMENT HOTLINE: +84906 955 057 – EMAIL: INFO@DHP-CORP.COM.VN |
4. Applications of Locking Assemblies RfN 7515:
The Locking Assemblies RfN 7515 are widely used across various industrial sectors, offering efficient performance, durable operation, and low maintenance requirements, thereby saving time and costs. It finds common applications in crane systems, gearbox gears, pulleys, and fans. The slight axial force exerted by the locking assembly and shaft optimizes power transmission for bending loads.

5. Technical of Locking Assemblies RfN 7515
| Catalogue Ringfeder RfN 7515 |
Installation Ringfeder RfN 7515 |
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| Dimensions [mm] | T | Fax | Shaft Pw | Hub PN | ||
| dxD | L | L1 | [Nm] | [kN] | [N/mm2] | |
| 60 x 95 | 58 | 50 | 4299 | 143 | 186 | 118 |
| 70 x 110 | 70 | 60 | 7280 | 208 | 197 | 125 |
| 80 x 120 | 70 | 60 | 10399 | 260 | 216 | 144 |
| 90 x 130 | 70 | 60 | 12869 | 286 | 211 | 146 |
| 100 x 145 | 82 | 70 | 18881 | 378 | 209 | 144 |
| 110 x 155 | 82 | 70 | 20769 | 378 | 190 | 135 |
| 120 x 165 | 82 | 70 | 24923 | 415 | 191 | 139 |
| 130 x 180 | 91 | 79 | 34364 | 529 | 207 | 150 |
| 140 x 190 | 91 | 79 | 39651 | 566 | 206 | 152 |
| 150 x 200 | 91 | 79 | 42483 | 566 | 193 | 144 |
| 160 x 210 | 91 | 79 | 48336 | 604 | 193 | 147 |
| 170 x 225 | 106 | 92 | 65790 | 774 | 195 | 147 |
| 180 x 235 | 106 | 92 | 69660 | 774 | 184 | 141 |
| 190 x 250 | 116 | 102 | 78432 | 826 | 165 | 125 |
| 200 x 260 | 116 | 102 | 92880 | 929 | 176 | 135 |
| 220 x 285 | 126 | 110 | 116459 | 1059 | 173 | 133 |
| 240 x 305 | 124 | 108 | 169394 | 1412 | 211 | 166 |
| 260 x 325 | 127 | 111 | 183510 | 1412 | 176 | 141 |
| 280 x 355 | 131 | 111 | 230199 | 1644 | 205 | 162 |
| 300 x 375 | 131 | 111 | 263085 | 1754 | 204 | 163 |
| 320 x 405 | 156 | 136 | 350780 | 2192 | 189 | 150 |
| 340 x 425 | 156 | 136 | 372704 | 2192 | 178 | 143 |
| 360 x 455 | 175 | 155 | 487557 | 2709 | 174 | 137 |
| 380 x 475 | 175 | 155 | 514644 | 2709 | 164 | 132 |
| 400 x 495 | 175 | 155 | 595903 | 2980 | 172 | 139 |
| 420 x 515 | 175 | 155 | 682580 | 3250 | 179 | 146 |
| 440 x 535 | 175 | 155 | 715084 | 3250 | 170 | 140 |
| 460 x 555 | 175 | 155 | 747588 | 3250 | 163 | 135 |
| 480 x 575 | 175 | 155 | 812595 | 3386 | 163 | 136 |
| 500 x 595 | 175 | 155 | 846453 | 3386 | 156 | 131 |
| 520 x 615 | 175 | 155 | 985949 | 3792 | 168 | 142 |
| 540 x 635 | 175 | 155 | 1023870 | 4063 | 162 | 138 |
| 560 x 655 | 175 | 155 | 1137633 | 4063 | 167 | 143 |
| 580 x 675 | 175 | 155 | 1178263 | 4063 | 162 | 139 |
| 600 x 695 | 175 | 155 | 1218893 | 4063 | 156 | 135 |
| 620 x 715 | 175 | 155 | 1259522 | 4063 | 151 | 131 |
| 640 x 735 | 175 | 155 | 1300152 | 4063 | 146 | 128 |
Customers purschasing Ringfeder RfN 7515 at Dai Hong Phat.corp enjoy the following benefits?
– Established since 1922 and with nearly 100 years of professional manufacturing experience in the transmission and shock absorption industry, Ringfeder has acquired invaluable expertise and superior techniques in providing top-notch products and services to customers.
– Dai Hong Phat corp. has partnered with Ringfeder from Germany, a manufacturer of high-quality transmission equipment and shock absorption technology.
– Our company, commits to offering Locking Assemblies RfN 7515 products that are 100% genuine, brand new, with certification papers, and clear origin.
– The core value of our cooperation aims to bring significant benefits to customers regarding shaft coupling solutions, not only in Vietnam but also in countries across the Southeast Asian region. The Locking Assemblies RfN 7515 distributed by Dai Hong Phat are genuine and authentic.
Contact Dai Hong Phat now for consultation!
Or view more information at:
– https://www.khopnoitruc.com/
– https://www.khopkhoatruc.com/
– https://www.facebook.com/khopnoitrucdaihongphat
– https://www.facebook.com/khopkhoatruccondaihongphat
– https://www.youtube.com/channel/UCaWH09QEtoCThHO3uzlfImg
– https://www.youtube.com/channel/UC4LmsXq3FmjtbQaa0cVrXVw
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DAI HONG PHAT ENGINEERING SERVICE TRADING MANUFACTURE COMPANY LIMITED
– HCMC Office: 22 Street 11, Khang Dien Residential Area, Duong Dinh Hoi Street, Phuoc Long B Ward, Thu Duc City.
– Ha Noi Office: No. 14-15A, 7th Floor, Charmvit Building, No. 117 Tran Duy Hung, Trung Hoa Ward, Cau Giay District.
– Tel HCM: +84.28.22536631 – 22536632 – 66818587
– Hotline: +84906 955 057 | Fax: 028.22536632
– Email: info@dhp-corp.com.vn
– Website: https://www.en.daihongphat.asia/
– Partner website: https://www.ringfeder.com/
| FOR ANY INQUIRIES OR QUOTATION REQUESTS, PLEASE CONTACT: SALES DEPARTMENT HOTLINE: +84906 955 057 – EMAIL: INFO@DHP-CORP.COM.VN |




















