... bearing wear and tear, resistant to oil, heat 2.good anti-cracking performance, small extending rate Supply Type:1).MXL. XL ... , bearing wear and tear, resistant to oil, heat4) good anti-cracking performance, and small extending rate5) good surface without crack6 ... precision machine tools and instruments. PU Timing belt with red rubber super grip, T5/T10/H rubber coated timing belt, timing belt cover