Turner 4-Bolt Flange Block - 1-1/2" Bore, Eccentric Locking Collar - L3 Heavy-Duty Seal TL4545 It is a direct replacement

It is a direct replacement for Jason Industrial XPZ2037

so the Megadyne 5L450 interchanges with Gates

1060K6 has 6 ribs and a 106

The BB97 is used for serpentine drives with multiple driven pulleys

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Turner 4-Bolt Flange Block - 1-1/2" Bore, Eccentric Locking Collar - L3 Heavy-Duty Seal TL4545 It is a direct replacementThe Turner HCFS208 24 L3 is a 4 bolt flange block mounted bearing unit with a 1 1 2" bore. It features a HC series insert with eccentric locking in a cast iron housing. This unit includes enhanced sealing for extended service life. Product Specifications Bore Size 1 1 2" Housing Style 4 Bolt Flange Block Insert Series HC Shaft Attachment Eccentric Housing Material Cast Iron Bearing Type Ball Bearing Lubrication Seal L3 Heavy Duty Dynamic Load Rating