BlackStar BK30 1/2 - Fixed Bore Sheave - 1/2" Bore Bearing What is the temperature rating

What is the temperature rating of 2/B58

"name":"520J7 Micro V Belt J Section 52in OC 7 Ribs Diesel Belting"

The D&D Global 18/3V900 is a standard V-belt featuring Narrow wedge 3V dimensions

9 lbs Bore Size 19mm

"sku":"TB072053345490"

BlackStar BK30 1/2 - Fixed Bore Sheave - 1/2" Bore Bearing What is the temperature ratingThe BlackStar BK30 1 2 is a 1 groove fixed bore sheave for B section belts, manufactured from cast iron. Features a 1 2" finished bore with keyway and set screws for direct shaft mounting. Specifications Part Number BK30 1 2 Product Type Fixed Bore Sheave Number of Grooves 1 Belt Profile B Bore Size 1 2" Material Cast Iron Approx. Weight 1. 2 lbs Cross references: Browning BK30 1 2, Martin BK30 1 2, Maska BK30 1 2 Compatible Components Matched V Belts