VS37X10X1400 DUN Dunlop Variable Speed V-Belt Section_SPA (12.7mm Wide) 4L 610 / 1549 La

4L 610 / 1549 La Garden Belt

and the second number is the internal length in mm

Dunlop V-belts have specially treated jackets to give superior anti-static

Maximum resistance to the action of heat and oils

VS37X10X1400 DUN Dunlop Variable Speed V-Belt Section_SPA (12.7mm Wide) 4L 610 / 1549 LaOur range of Variable Speed V Belts includes belts conforming to ISO R 1604, they are designated by e. g. the letter W followed by a number e. g. 16 which is the belts width in mm. This is followed by a number e. g. 500 which corresponds to the pitch length Lp in mm. Belts not covered by the ISO standards are designated by a code consisting of a set of 3 numbers e. g. 22 which denotes the belts top width followed by e. g. 8 which denotes the belts