1.long service life, bearing wear and tear, resistant to oil, heat 2. ... -cracking performance, small extending rate Supply Type:1).MXL. XL. L. H. XH. XXH.2).T2.5. T5. T10. T20.3 ... : polyurethane, nylon, steel, or kevlar cord2) Max. width: 150mm3) long service life, bearing wear and tear, resistant to oil, heat4) good ... . PU variou open type timing belt STD, T, AT, H, L,HTD