BlackStar 120R30 - 120 Pitch R Sprocket - 30 Tooth LUS Section The XPA1060 is used for

The XPA1060 is used for hvac blowers and air handlers

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The B104 is used for general-purpose industrial drives

Bore Size 2-1/4" Housing Style 2-Bolt Pillow Block Insert Series UC Shaft Attachment Set Screw Housing Material Cast Iron Bearing Type Ball Bearing Dynamic Load Rating 10

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BlackStar 120R30 - 120 Pitch R Sprocket - 30 Tooth LUS Section The XPA1060 is used forThe BlackStar 120R30 is a 120 pitch R roller chain sprocket with 30 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. Requires a Split Taper Bushing (sold separately). Specifications Part Number 120R30 Chain Pitch 120 Number of Teeth 30 Bore Type Plain Bore Hub Style R Strand Count Single Material Steel Outside Diameter 15. 17" Pitch Diameter 14. 351" Approx. Weight 43. 300