Let’s learn about Martin SPA Wedge Belt Pulleys with Dai Hong Phat through the following article!
1. About Dai Hong Phat Corp- Martin USA
– Dai Hong Phat Corp is the official authorized representative of Martin USA in Vietnam. We provide genuine transmission shaft coupling solutions that meet international standards, helping to optimize the performance and durability of machinery systems.
– Martin Sprocket & Gear, founded in 1951 in the US, specializes in providing transmission solutions and industrial equipment. Martin stands out with its products on HRC couplings, pulleys, tapered bushings… becoming a prestigious name in the industry.
– Martin SPA Wedge Belt Pulleys supplied by Dai Hong Phat are 100% genuine imports, with full CO/CQ, meeting international quality standards.
View more: Other Martin Pulleys – Taper Bush here
2. Features & Advantages of Martin SPA V-Belt Pulleys
– Manufacturer: Martin / USA
– Common product names: Pulley, V-Belt Pulley, SPA Pulley, Cast Iron Pulley
– Maximum size: SPA 1000, up to 6 grooves
– Made from cast iron GB/T 9439-2010 HT200-250
– Dimensions and surface finish comply with ISO 4183, MPTA, and ANSI industrial standards
– Static balancing to G6.3 standard (ISO 1940) for speeds up to 33 m/s; dynamic balancing available upon request for higher speeds

Learn more about Martin Pulleys: Martin SPB Wedge Belt Pulley
Learn more about Martin Pulleys: Martin SPC Wedge Belt Pulley
Learn more about Martin Pulleys: Martin SPZ Wedge Belt Pulley
3. Applications of Martin Wedge Belt Pulleys
SPA pulleys (belt drive systems) are widely used across multiple industries and application areas. Depending on specific needs, users can select different pulley types.
Commonly used for power transmission between distant shafts, pulleys ensure smooth and quiet operation. They are found in factories, industrial plants, hotels, and more — including elevators, conveyor belts, car engines, and various industrial machinery.
4. Technical Specifications – Martin SPA V-Belt Pulleys
| Catalogue Martin SPA Wedge Belt Pulleys |
Installation Martin SPA Wedge Belt Pulleys |

Technical drawing of Martin SPA Wedge Belt Pulleys
| Groove | 1 | 2 | 3 | 4 | 5 | 6 |
| F | 20mm | 35mm | 50mm | 65mm | 80mm | 95mm |
| Pulley Martin SPA | |||||||||||
| Size | OD | SPZ Belt | Type | Bush No. | Max Bore [mm] | ||||||
| 1 Groove | 2 Groove | 3 Groove | 1 Groove | 2 Groove | 3 Groove | 1 Groove | 2 Groove | 3 Groove | |||
| SPA 63 | 69 | 63 | 9 | 9 | … | 1108 | 1108 | … | 28 | 28 | … |
| SPA 67 | 73 | 67 | 1 | 6 | … | 1108 | 1108 | … | 28 | 28 | … |
| SPA 71 | 77 | 71 | 1 | 6 | 6 | 1108 | 1108 | 1108 | 28 | 28 | 28 |
| SPA 75 | 81 | 75 | 1 | 6 | 6 | 1108 | 1108 | 1108 | 28 | 28 | 28 |
| SPA 80 | 86 | 80 | 1 | 6 | 6 | 1210 | 1210 | 1210 | 32 | 32 | 32 |
| SPA 85 | 91 | 85 | 1 | 6 | 6 | 1210 | 1210 | 1210 | 32 | 32 | 32 |
| SPA 90 | 96 | 90 | 1 | 6 | 6 | 1210 | 1610 | 1610 | 32 | 32 | 42 |
| SPA 95 | 101 | 95 | 1 | 6 | 6 | 1210 | 1610 | 1610 | 32 | 42 | 42 |
| SPA 100 | 106 | 100 | 1 | 6 | 2 | 1610 | 1610 | 1610 | 42 | 42 | 42 |
| SPA 106 | 112 | 106 | 1 | 6 | 2 | 1610 | 1610 | 1610 | 42 | 42 | 42 |
| SPA 112 | 118 | 112 | 1 | 6 | 6 | 1610 | 1610 | 2012 | 42 | 42 | 50 |
| SPA 118 | 124 | 118 | 1 | 6 | 2 | 1610 | 1610 | 2012 | 42 | 42 | 50 |
| SPA 125 | 131 | 125 | 1 | 6 | 2 | 1610 | 1610 | 2012 | 42 | 42 | 50 |
| SPA 132 | 138 | 132 | 1 | 6 | 2 | 1610 | 2012 | 2012 | 42 | 50 | 50 |
| SPA 140 | 146 | 140 | 1 | 6 | 6 | 1610 | 2012 | 2517 | 42 | 50 | 60 |
| SPA 150 | 156 | 150 | 1 | 6 | 6 | 1610 | 2012 | 2517 | 42 | 50 | 60 |
| SPA 160 | 166 | 160 | 1 | 7 | 6 | 1610 | 2012 | 2517 | 42 | 50 | 60 |
| SPA 170 | 176 | 170 | 8 | 2 | 2 | 1610 | 2012 | 2517 | 42 | 50 | 60 |
| SPA 180 | 186 | 180 | 8 | 7 | 6 | 1610 | 2012 | 2517 | 42 | 50 | 60 |
| SPA 190 | 196 | 190 | 8 | 8 | 2 | 2012 | 2517 | 2517 | 50 | 60 | 60 |
| SPA 200 | 206 | 200 | 8 | 8 | 7 | 2012 | 2517 | 2517 | 50 | 60 | 60 |
| … | … | … | … | … | … | … | … | … | … | … | … |
5. Why choose Dai Hong Phat Corp?
100% genuine products imported directly from Martin USA.
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 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: 0906.955.057 | – Email: info@dhp-corp.com.vn
– Website: https://en.daihongphat.asia/ – https://khopnoitruc.com/ – https://ringfeder.com.vn/




