Turner Tapped Base Pillow Block - 1-3/8" Bore, Set Screw Locking Collar - L3 Heavy-Duty Seal V-Belt Pulley "name":"B131 Classic Wrapped V-Belt 21/32in

"name":"B131 Classic Wrapped V-Belt 21/32in x 134in Outside Circumference"

so the Megadyne 10/B158 interchanges with Gates

com/products/pix-11-spb3550-industrial-v-belt"

The C76 has a 7/8" width

"name":"Gates 8/5VX1060 Super HC Molded Notch PowerBand Belts 93898106"

Turner Tapped Base Pillow Block - 1-3/8" Bore, Set Screw Locking Collar - L3 Heavy-Duty Seal V-Belt Pulley "name":"B131 Classic Wrapped V-Belt 21/32inThe Turner UCTB207 22 L3 is a tapped base pillow block mounted bearing unit with a 1 3 8" bore. It features a UC series insert with set screw locking in a cast iron housing. This unit includes enhanced sealing for extended service life. Product Specifications Bore Size 1 3 8" Housing Style Tapped Base Pillow Block Insert Series UC Shaft Attachment Set Screw Housing Material Cast Iron Bearing Type Ball Bearing Lubrication Seal L3 Heavy Duty Dynamic