Turner Type-E Tapered Roller Flange Block - 1 11/16" Bore BK 2392-8M-50 is a standardized industry

2392-8M-50 is a standardized industry size

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so a 20/A78 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

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Turner Type-E Tapered Roller Flange Block - 1 11/16" Bore BK 2392-8M-50 is a standardized industryThe Turner EFB4 1 11 16 X3 is a type e flange block mounted bearing unit with a 1 11 16" bore. It features a EFB series insert with tapered roller locking in a cast iron housing. Pre lubricated and ready for installation. Product Specifications Bore Size 1 11 16" Housing Style Type E Flange Block Insert Series EFB Shaft Attachment Tapered Roller Housing Material Cast Iron Bearing Type Tapered Roller Duty Level Heavy Part Number EFB4 1 11 16 X3 Series