150-S3M-630 Timing Belt 14M Pitch What does the S5M in

What does the S5M in 150-S5M-935 mean

The Gates 1224-8MGT-12 PowerGrip GT4 Belts - 8M and 14M is a synchronous timing belt with 8MGT-pitch profile

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150-S3M-630 Timing Belt 14M Pitch What does the S5M in150 S3M 630 Timing Belt The 150 S3M 630 is a timing belt from D&D Global's Dura Sure Torque S3M Series line. It transmits power positively with no slip, holding timing between shafts on synchronous drives. Specification Value Part Number 150 S3M 630 Belt Type Timing Belt Tooth Profile S3M STD (curvilinear) Tooth Pitch 3 mm Number of Teeth 210 Belt Width 15 mm Pitch Length 630 mm (Pitch Length) Construction Chloroprene (Neoprene), Fiberglass cord,