Let’s learn about Rathi-Ringfeder Pin and Bush Couplings B-Flex LBC with Dai Hong Phat, through the following article!
1. About Dai Hong Phat Corp – Rathi India
– Dai Hong Phat Corp is the official authorized representative of Rathi India in Vietnam (Rathi 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.
– Established in 1993 in Pune, India, under Rathi Group. The company has achieved ISO 9001 certification and specializes in manufacturing transmission couplings. With a global distribution system and strict quality control processes, Rathi quickly became an internationally prestigious brand.
– In 2024, Rathi officially merged into Ringfeder.
– The Rathi-Ringfeder Pin and Bush Couplings B-Flex LBC supplied by Dai Hong Phat are 100% genuine imports, with full CO/CQ, meeting international quality standards.
2. Charecteristics of Rathi-Ringfeder Pin And Bush Couplings B-Flex LBC
– Manufacturer brand: Rathi-Ringfeder/India
– Operating power: 249 kw / 100 rpm
– Maximum shaft bore diameter: 190 mm
– Maximum torque: 23,778 Nm
– B-Flex LBC Coupling consists of a barrel-shaped elastic bushing with pins and bushes, two flanged shafts made of cast iron.
– Special barrel-shaped tapered bushings provide increased stiffness, absorb shock and vibration effectively, while allowing multidirectional misalignment and superior torsional flexibility compared to plain tapered bushings.
– B-Flex LBC Coupling is easy to assemble/disassemble and does not require lubrication of any kind.
– Tapered bushings can be quickly installed without dismantling or moving either of the coupled shafts.
– Reduces vibration and noise from severe torque fluctuations.
View more: Specifications of Rathi-Ringfeder Elastomer Rings RB
| FOR ANY INQUIRIES OR QUOTATION REQUESTS, PLEASE CONTACT: SALES DEPARTMENT HOTLINE: +84 906 955 057 – EMAIL: INFO@DHP-CORP.COM.VN |
3. Applications of Rathi-Ringfeder Pin And Bush Couplings B-Flex LBC
Rathi-Lovejoy B-Flex LBC Coupling are now widely used in the market in applications such as fans, air compressors, pumps, cranes, construction machinery, conveyors, concrete mixers, textile dyeing machines, hoists and steel industry equipment, etc.

4. Specifications of Rathi-Lovejoy Pin and Bush Coupling Type B-Flex LBC:
| Catalogue Rathi-Lovejoy B-Flex LBC Coupling |
Installation instructions Rathi-Lovejoy B-Flex LBC Coupling |

Rathi-Lovejoy B-Flex LBC Coupling Specification Table:
| Couplings (Model) |
Max Speed rpm |
Rated Torque Nm |
Bore Φ D | Dimensions (mm) | No. of Pins |
||||
| Min. | Max. | ΦA | ΦB | L | TL | ||||
| LBC – 1 | 6100 | 77 | 12.7 | 30 | 95 | 44 | 38 | 79 | 3 |
| LBC – 2 | 5100 | 310 | 12.7 | 35 | 114 | 51 | 48 | 99 | 4 |
| LBC – 2A | 4400 | 516 | 16 | 45 | 130 | 67 | 51 | 105 | 6 |
| LBC – 3 | 3600 | 621 | 16 | 50 | 160 | 75 | 51 | 107 | 4 |
| LBC – 4 | 3000 | 831 | 20 | 70 | 191 | 105 | 60 | 125 | 4 |
| LBC – 4A | 3000 | 1241 | 20 | 70 | 191 | 105 | 60 | 125 | 6 |
| LBC – 5 | 2600 | 1662 | 25 | 80 | 225 | 115 | 76 | 157 | 6 |
| LBC – 6 | 2300 | 2359 | 45 | 100 | 254 | 140 | 89 | 183 | 8 |
| LBC – 6A | 2300 | 2932 | 45 | 100 | 254 | 140 | 89 | 183 | 10 |
| LBC – 6B | 2300 | 2533 | 45 | 100 | 254 | 140 | 89 | 183 | 12 |
| LBC – 7 | 1950 | 4154 | 60 | 115 | 290 | 170 | 115 | 235 | 12 |
| LBC – 7A | 1900 | 5195 | 60 | 120 | 300 | 180 | 115 | 235 | 14 |
| LBC – 8 | 1850 | 5816 | 65 | 130 | 310 | 195 | 125 | 255 | 16 |
| LBC – 8A | 1650 | 7267 | 65 | 135 | 340 | 200 | 130 | 265 | 18 |
| LBC – 8B | 1590 | 8728 | 70 | 140 | 360 | 210 | 135 | 276 | 12 |
| LBC – 9 | 1470 | 9931 | 80 | 150 | 390 | 225 | 155 | 316 | 13 |
| LBC – 9A | 1400 | 13274 | 90 | 160 | 410 | 240 | 165 | 336 | 15 |
| LBC – 10 | 1300 | 14419 | 100 | 170 | 440 | 255 | 180 | 366 | 16 |
| LBC – 10A | 1200 | 18048 | 110 | 180 | 480 | 270 | 190 | 386 | 17 |
| LBC – 11 | 1080 | 23778 | 120 | 190 | 530 | 285 | 200 | 406 | 20 |
5. Why choose Dai Hong Phat Corp?
– 100% genuine products imported directly from Rathi-Ringfeder India.
– 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 ENGINEERING SERVICE TRADING MANUFACTURE COMPANY LIMITED
– Ho Chi Minh City Office: 22 Street 11, Khang Dien Residential Area, Duong Dinh Hoi Street, Phuoc Long Ward, Ho Chi Minh City.
– 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://khopnoitruc.com/ – https://ringfeder.com.vn/








