BlackStar 50SDS24 - 50 Pitch QD Sprocket - 24 Tooth BK Section The 3/B56 has a 21/32"

The 3/B56 has a 21/32" width

The Megadyne A51 is a classical wrapped V-belt in the A cross section with a 53

"text": "150T10/650US has a 10 mm tooth pitch

The 6/5V3550 is used for high-shock and high-vibration drives

BlackStar 50SDS24 - 50 Pitch QD Sprocket - 24 Tooth BK Section The 3/B56 has a 21/32"The BlackStar 50SDS24 is a 50 pitch QD roller chain sprocket with 24 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket requires a QD Type SDS Bushing (sold separately). Specifications Part Number 50SDS24 Chain Pitch 50 Number of Teeth 24 Maximum Bore 2" Bore Type QD Hub Style QD Bushing Required QD Type SDS Bushing Strand Count Single Material Steel Outside