Turner 4-Bolt Flange Block - 2" Bore, Tru-Loc Concentric Clamping Collar 4.3/16" What does the 8M in

What does the 8M in 1640-8M-30 mean

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"name": "What are the dimensions of 4/D120

"name": "What is the temperature rating of 11/C210

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Turner 4-Bolt Flange Block - 2" Bore, Tru-Loc Concentric Clamping Collar 4.3/16" What does the 8M inThe Turner UEF210 32 is a 4 bolt flange block mounted bearing unit with a 1 8" bore. It features a UE series insert with tru loc locking in a cast iron housing. Pre lubricated and ready for installation. Product Specifications Bore Size 1 8" Housing Style 4 Bolt Flange Block Insert Series UE Shaft Attachment Tru Loc Housing Material Cast Iron Bearing Type Ball Bearing Dynamic Load Rating 7,868 lbs Static Load Rating 5,330 lbs Limiting Speed 3000 RPM