Bestorq 387-L-031 Trapezoidal Timing Belts MXL Timing Belts 9 Effective Length (mm) 4290

9 Effective Length (mm) 4290 Notched false Outside Circumference (in) 169

25 Nominal Outside Length (mm) 1682

Part # 8MX63S21 / 8MX-63S-21 Product # 77182063 Description 8MX-63S-21 2012 UPC 072053271072 Width (mm) 21

25 Effective Length (mm) 1251 Notched true Outside Circumference (in) 49

1/16 BUSH UPC 770075429760 Keyseat 1/4 X 1/8

Bestorq 387-L-031 Trapezoidal Timing Belts MXL Timing Belts 9 Effective Length (mm) 4290Trapezoidal Timing Belts L Timing Belt Part Number (Length Profile Width) 387 L 031 Pitch (in.) . 375 hs (in.) . 140 ht (in.) . 075 Teeth 103 Pitch Length (in.) 38. 70 Width (in.) 0. 31 Weight (lbs) 0. 070