... efficiency,bearing wear and oil, good performance, dynamic buckling resistance PU open belt specifications:1) S2m, S3m, S5m, S8m2) 2M, ... , (D)T10, (D)AT5, (D)AT10, T20PU timing belts/pu open beltsDetails:1) material: polyurethane, nylon, steel, or kevlar cord2 ... ) Max. width: 150mm3) long service life, bearing wear and tear, resistant to oil, heat4 ...