BlackStar 2050B17 - 2050 Pitch B-Hub Sprocket - 17 Tooth O-Ring Belt 20/A55 has a top width

20/A55 has a top width of 12

so a 1310L12 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

65625" Thickness 7/16" Length 147 in Number of Bands 6 Material Rubber Reinforcement Polyester Cord Color Black Temperature Range -30°F to 180°F

"sku":"10/B146-D&D"

com/s/files/1/0666/7721/products/MXL_XL_L_H_Timing_Belt_605bc9a7-030a-4af9-9cfa-9a6545a8b1ef

BlackStar 2050B17 - 2050 Pitch B-Hub Sprocket - 17 Tooth O-Ring Belt 20/A55 has a top widthThe BlackStar 2050B17 is a 2050 pitch B Hub roller chain sprocket with 17 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. Specifications Part Number 2050B17 Chain Pitch 2050 Number of Teeth 17 Bore Type Plain Bore Hub Style B Hub Strand Count Single Material Steel Approx. Weight 1. 700 lbs Cross references: Browning H2050B17, Martin 2050BS17, Boston Gear RS2050B17