Founded in 1984, FULONG is a national high-tech enterprise now and ISO9001, TS16949 certified. With national lab and municipal innovation center, we made over ten national and trading standards. What's more, 30,000 square meters were expanded to build several automatic production lines in automotive timing belt and PK belt, which guarantee the OEM quality.
The double-sided pitch synchronous belt and tooth profile is equivalent to a single tooth and tooth belt pitch.
Double teeth with tooth by the synchronous belt arrangement standards can be divided into two types;
DA-duplex synchronous belt tooth,
a tooth with its two symmetrical arrangement, see Figure (a)

DB-duplex synchronous belt gear,
with its two locations with staggered teeth were, see Figure (b)

Type | W | T | Size | Pitch Length (mm) | Teeth No. |
D-MXL | 0.508 | 1.53 | |||
D-XL | 0.508 | 3.05 | 196XL-1970XL | 497.84-5003.8 | 98-985 |
D-L | 0.762 | 4.58 | 203L-1988L | 514.35-5048.25 | 54-530 |
D-H | 1.372 | 5.95 | 670H-2500H | 1701.8-6350 | 124-500 |
D-XH | 2.794 | 15.49 | 700XH-2275XH | 1778.00-5778.5 | 80-260 |
D-XXH | 3.048 | 22.11 | 700XXH-2625XXH | 1778.00-6667.5 | 56-210 |
D-T2.5 | 0.60 | 2.00 | T2.5x500-T2.5x5000 | 500.00-5000.00 | 200-2000 |
D-T5 | 1.00 | 3.40 | T5x500-T5x7000 | 500.00-7000.00 | 100-1400 |
D-T10 | 2.00 | 7.00 | T10x500-T10x7050 | 500.00-7050.00 | 50-705 |
D-T20 | 3.00 | 13.00 | T20x1700-T20x7000 | 1700.00-7000.00 | 85-350 |
D-AT10 | 2.00 | 7.00 | AT10x500-AT10x7000 | 500.00-7000.00 | 50-700 |
HTD. DA-3M | 0.760 | 3.10 | 501-3M-5010-3M | 501.00-5010.00 | 167-1670 |
HTD. DA-5M | 1.143 | 5.26 | 500-5M-7000-5M | 500.00-7000.00 | 50-1400 |
HTD. DA-8M | 1.372 | 8.17 | 512-8M-6880-8M | 512-6880 | 64-860 |
HTD. DA-14M | 2.80 | 14.84 | 1750-14M-6860-14M | 1750-6860 | 125-490 |
HTD. DA-S8M | 1.372 | 7.48 | S8M-512-S8M-6880 | 512-6880 | 64-860 |
Shipped By:
Contact information :
Acle Luo
Company Name: Ningbo fulong synchronous belt co., ltd
Add: Longshan Town Cixi City Ningbo Zhejiang China(Mainland)