Turner 2-Bolt Flange Block - 2-3/16" Bore, Eccentric Locking Collar - L3 Heavy-Duty Seal 1.9/16" What does the L in

What does the L in 322L100 mean

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Turner 2-Bolt Flange Block - 2-3/16" Bore, Eccentric Locking Collar - L3 Heavy-Duty Seal 1.9/16" What does the L inThe Turner HCFT211 35 L3 is a 2 bolt flange block mounted bearing unit with a 2 3 16" 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 2 3 16" Housing Style 2 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