1. Dai Hong Phat Corp. is the specialized representative providing all Rathi-Lovejoy Pin and Bush Coupling products across Vietnam:
Rathi Transpower Pvt. Ltd is a part of the Rathi Group based in Pune, India, owned by a family. Rathi is a leading company in the industry specializing in the manufacture of Flexible Couplings, Spacer Couplings, Fluid Couplings, and Type Couplings for precision power transmission applications. Few manufacturers worldwide can offer such a wide range of standard couplings.
The expertise in manufacturing a wide range of products and the pursuit of comprehensive strength are the keys to providing the highest standards to customers. This has made Rathi a global leader in the field of coupling manufacturing. With a stringent manufacturing process from material selection to final product testing and delivery to consumers, Rathi always prioritizes quality standards. Therefore, Rathi’s couplings have been preferred choices for customers for many years.
Dai Hong Phat Company is an importer and distributor of 100% genuine Rathi-Lovejoy Pin and Bush Couplings across Vietnam (An Authorized Distributor for Rathi-Lovejoy Products in Vietnam). With over 15 years of reputable service, the company ensures to supply customers with genuine B-Flex Pin and Bush Couplings Type RB of the highest quality and the best prices on the market.
2. Characteristics of the B-Flex Pin and Bush Couplings Type RB:
– The B-Flex Pin and Bush Couplings Type RB are manufactured by Rathi-Lovejoy/India.
– Operating power: 13614 kW/100rpm.
– Maximum diameter: 600 mm.
– The B-Flex coupling consists of a barrel-shaped flexible element with pins and bolts, and two flanged shafts made of cast iron.
– The barrel-shaped flexible elements allow for misalignment in all directions and provide higher torsional flexibility compared to cone-shaped flexible elements.
– Easy assembly and disassembly of the coupling.
– The special barrel-shaped flexible elements provide progressively increasing stiffness characteristics, ensuring effective damping of vibration and oscillation.
– The B-Flex coupling operates without the need for lubrication in any form.
– There are no complex mechanisms requiring adjustment of the cone-shaped flexible elements. The cone-shaped flexible elements can be quickly installed without dismantling or moving either of the coupled shafts.
– Reduces vibration and noise generated by severe torsional oscillations.
View more produc “B-Flex Coupling Rubber Type 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 the Rathi-Lovejoy B-Flex RB Pin and Bush Couplings:
The B-Flex Pin and Bush Couplings Type RB are widely used in various industries on the current market, including: Fans, air compressors, pumps, cranes and hoists, construction machinery, conveyor belts, concrete mixers, textile and dyeing machinery, lifting winches, steel industry applications.
These couplings provide reliable and efficient power transmission solutions across a diverse range of industrial applications.

4. Technical of the B-Flex Pin and Bush Couplings Type RB:
| Catalogue B-Flex Couplings Type RB |
Installation B-Flex Couplings Type RB |

| Couplings | Max Speed rpm | Min. Bore | Max. Bore | Dimensions | ||||||
| ØD1 | ØD2 | ØA | ØB1 | ØB2 | G | L | TL | |||
| RB-105-3 | 7200 | 11 | 30 | 32 | 105 | 48 | 50 | 2-6 | 45 | 94 |
| RB-116-4 | 6100 | 12 | 39 | 42 | 116 | 60 | 68 | 2-6 | 45 | 94 |
| RB-125-4 | 5500 | 14 | 45 | 50 | 125 | 68 | 78 | 2-6 | 50 | 104 |
| RB-144-6 | 4900 | 18 | 50 | 60 | 144 | 82 | 91 | 2-6 | 55 | 114 |
| RB-162-6 | 4500 | 22 | 60 | 65 | 162 | 89 | 100 | 2-6 | 60 | 124 |
| RB-178-6 | 3800 | 24 | 70 | 75 | 178 | 105 | 115 | 2-6 | 70 | 144 |
| RB-198-10 | 3400 | 28 | 80 | 90 | 198 | 124 | 135 | 2-6 | 80 | 164 |
| RB-226-11 | 3000 | 20 | 90 | 100 | 220 | 133 | 146 | 4-10 | 90 | 187 |
| RB-252-12 | 2700 | 38 | 100 | 115 | 252 | 156 | 167 | 4-10 | 100 | 207 |
| RB-285-11 | 2400 | 48 | 115 | 125 | 285 | 170 | 186 | 4-10 | 110 | 227 |
| RB-320-12 | 2100 | 55 | 125 | 135 | 320 | 196 | 212 | 4-10 | 125 | 257 |
| RB-360-11 | 1900 | 65 | 135 | 150 | 360 | 212 | 232 | 4-12 | 140 | 288 |
| RB-400-10 | 1700 | 75 | 160 | 410 | 230 | 4-12 | 160 | 328 | ||
| RB-450-12 | 1500 | 85 | 180 | 450 | 260 | 4-12 | 180 | 368 | ||
| RB-500-14 | 1350 | 95 | 200 | 500 | 290 | 4-12 | 200 | 408 | ||
| RB-560-12 | 1200 | 95 | 225 | 560 | 320 | 4-8 | 220 | 446 | ||
| RB-630-12 | 1050 | 100 | 250 | 630 | 355 | 4-8 | 240 | 486 | ||
| RB-710-12 | 950 | 100 | 260 | 710 | 385 | 5-9 | 260 | 527 | ||
| RB-800-14 | 850 | 100 | 280 | 800 | 420 | 5-9 | 290 | 587 | ||
| RB-900-16 | 750 | 100 | 305 | 900 | 465 | 5-9 | 320 | 647 | ||
| RB-1000-18 | 680 | 125 | 320 | 1000 | 515 | 5-10 | 350 | 708 | ||
| RN-1120-18 | 600 | 135 | 350 | 1120 | 560 | 5-10 | 380 | 769 | ||
| RB-1250-20 | 550 | 150 | 380 | 1250 | 610 | 6-11 | 420 | 849 | ||
| RB-1400-20 | 490 | 175 | 440 | 1400 | 700 | 6-12 | 480 | 969 | ||
| RB-1600-24 | 430 | 200 | 480 | 1600 | 770 | 6-12 | 540 | 1089 | ||
| RB-1800-22 | 380 | 225 | 540 | 1800 | 870 | 8-16 | 600 | 1212 | ||
| RB-2000-26 | 340 | 250 | 600 | 2000 | 960 | 8-16 | 660 | 1332 | ||
5. Why Choose Dai Hong Phat Corp. as the Supplier for Rathi-Lovejoy Pin and Bush Couplings?
– You will be able to purchase 100% genuine Pin and bush couplings directly imported by Dai Hong Phat from Rathi-Lovejoy.
– Customers can rest assured as Dai Hong Phat protects against risks and counterfeit Lovejoy Rathi products.
– We provide full CO/CQ documentation.
– B-Flex Pin and Bush Couplings Type RB are always available in Dai Hong Phat’s warehouse for swift delivery to customers.
– Dai Hong Phat Corp. will provide technical drawings of purchased Lovejoy Rathi products upon request.
– Our dedicated team of highly skilled technical experts is always available to provide support and advice on Rathi-Lovejoy Pin and Bush Couplings.
– We offer free consultation on optimal solutions for customers’ plants regarding genuine Lovejoy Rathi couplings from the Lovejoy-Rathi brand.
– Customers will receive genuine catalogues of servo couplings from Dai Hong Phat Corp.
– We provide free customization of technical specifications and sizes of Lovejoy-Rathi products based on customer requirements.
– We offer nationwide 24/7 delivery services to minimize downtime for customers’ machinery.
– Dai Hong Phat Corp. has a professional workshop for tailored machining services according to customers’ specific needs.
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://rathicouplings.com/
| FOR ANY INQUIRIES OR QUOTATION REQUESTS, PLEASE CONTACT: SALES DEPARTMENT HOTLINE: +84906 955 057 – EMAIL: INFO@DHP-CORP.COM.VN |

















