Turner 4-Bolt Flange Block - 50mm Bore, Set Screw Locking Collar - L3 Heavy-Duty Seal 4.1/4" 3/B99 has a top width

3/B99 has a top width of 2

"sku":"TB037256034916"

com/products/pix-3-3vx550-industrial-v-belt"

12T5/850US is a standardized industry size

and a 255 mm (Pitch Length)

Turner 4-Bolt Flange Block - 50mm Bore, Set Screw Locking Collar - L3 Heavy-Duty Seal 4.1/4" 3/B99 has a top widthThe Turner UCF210 50MM L3 is a 4 bolt flange block mounted bearing unit with a 50mm 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 50mm Housing Style 4 Bolt Flange Block Insert Series UC Shaft Attachment Set Screw Housing Material Cast Iron Bearing Type Ball Bearing Lubrication Seal L3 Heavy Duty Dynamic Load Rating