BlackStar 100BTL21 - 100 Pitch Taper Lock Sprocket - 21 Tooth H Section Is 12/B104 the same as

Is 12/B104 the same as other brands' 12/B104

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The B62 is rated for continuous operation from -22°F to 176°F

Belt Section 5V Sub-Type Banded Width 5/8" Thickness 17/32" Length 112 in Number of Bands 9 Material Neoprene Reinforcement Polyester Cord Color Black Performance Premium Temperature Range -30°F to 185°F

What is the temperature rating of BX91

BlackStar 100BTL21 - 100 Pitch Taper Lock Sprocket - 21 Tooth H Section Is 12/B104 the same asThe BlackStar 100BTL21 is a 100 pitch Taper Lock roller chain sprocket with 21 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket requires a Taper Lock Bushing (sold separately). Specifications Part Number 100BTL21 Chain Pitch 100 Number of Teeth 21 Bore Type Taper Lock Hub Style Taper Lock Bushing Required Taper Lock Bushing Strand Count Single Material Steel