640-8M-50 Black Rubber Timing Belt 640mm Long

640-8YU-12 Black Rubber Timing Belt, 80 Tooth 640mm Long, 8YU Pitch, 12mm Wide

640-8YU-15 Black Rubber Timing Belt, 80 Tooth 640mm Long, 8YU Pitch, 15mm Wide

640-8YU-20 Black Rubber Timing Belt, 640mm Long 80 Tooth

640-8YU-25 Black Rubber Timing Belt, 640mm Long 80 Tooth

640-8YU-30 Black Rubber Timing Belt, 640mm Long 80 Tooth

640-D5M-09 Black Rubber Timing Belt, 635mm Long, Double Sided DL, 128 Tooth on each side, Alernate Part ID:

GATTP6405M09

GATTP640-5M-09
TP6405M09 D640-5m-09
TP640-5M-09

640-D5M-15 Black Rubber Timing Belt Double Sided DL, 640mm Long, 128 Tooth on each side, 640-5mDL-15 D640-5M-15 TP640-5m-15

640-D5M-20 Black Rubber Timing Belt Double Sided DL, 640mm Long, 128 Tooth on each side, 640-5mDL-20 D640-5M-20 TP640-5m-20

640-D5M-25 Black Rubber Timing Belt DL 128 Tooth on each sdie, 640-5mDL-25 D640-5M-25 TP640-5m-24

640-S8M-15 Neoprene Black Rubber Timing Belt with Fiber Glass Cord Curvilinear Tooth 8mm Super Torque S8M STS STPD Pitch, 15mm Wide, 640mm Long, 80 Tooth. Use only with S8M pulleys. Reduced life will result is used with 8M pulleys. 150S8M640

640-S8M-20 Black Rubber Timing Belt 80 Tooth

640-S8M-25 Neoprene Black Rubber Timing Belt with Fiber Glass Cord Curvilinear Tooth 8mm Super Torque S8M STS STPD Pitch, 25mm Wide, 640mm Long, 80 Tooth. Use only with S8M pulleys. Reduced life will result is used with 8M pulleys.  250S8M640

640-S8M-30 Neoprene Black Rubber Timing Belt with Fiber Glass Cord Curvilinear Tooth 8mm Super Torque S8M STS STPD Pitch, 30mm Wide, 630mm Long, 80 Tooth. Use only with S8M pulleys. Reduced life will result is used with 8M pulleys.

640-S8M-40 Neoprene Black Rubber Timing Belt with Fiber Glass Cord Curvilinear Tooth 8mm Super Torque S8M STS STPD Pitch, 40mm Wide, 640mm Long, 80 Tooth. Use only with S8M pulleys. Reduced life will result is used with 8M pulleys.

640-S8M-60 Neoprene Black Rubber Timing Belt with Fiber Glass Cord Curvilinear Tooth 8mm Super Torque S8M STS STPD Pitch, 60mm Wide, 640mm Long, 80 Tooth. Use only with S8M pulleys. Reduced life will result is used with 8M pulleys. 600S8M640

640DL037 Double Sided Neoprene Black Rubber Timing Belt, 171 Tooth, 64.125 inch Long, 0.375" Wide, D640L037 TP640L037

640DL050 Double Sided Neoprene Black Rubber Timing Belt 171 Tooth, 64.125 inch Long, 0.5" Wide, D640L050 TP640L050

640DL075 Double Sided Neoprene Black Rubber Timing Belt, 171 Tooth, 64.125 inch Long, 0.75" Wide, D640L075 TP640L075

640DL100 Double Sided DL Neoprene Black Rubber Timing Belt, 171 Tooth, 64.125 inch Long, 1" Wide, D640L100 TP640L100