BlackStar 2BK57 1 - Fixed Bore Sheave - 1" Bore AT5R Section The 14/3VX630 has a 3/8"

The 14/3VX630 has a 3/8" width

The 400J29 Micro V Belt J Section 40in OC 29 Ribs Diesel Belting is a Micro-V (multi-ribbed) belt with Micro-V J-section dimensions

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BlackStar 2BK57 1 - Fixed Bore Sheave - 1" Bore AT5R Section The 14/3VX630 has a 3/8"The BlackStar 2BK57 1 is a 2 groove fixed bore sheave for B section belts, manufactured from cast iron. Features a 1" finished bore with keyway and set screws for direct shaft mounting. Specifications Part Number 2BK57 1 Product Type Fixed Bore Sheave Number of Grooves 2 Belt Profile B Bore Size 1" Outside Diameter 5. 45" Material Cast Iron Approx. Weight 5. 100 lbs Cross references: Browning 2BK57 1, Martin 2BK57 1, Maska 2BK57 1 Compatible