Turner Tapped Base Pillow Block - 1-3/8" Bore, Eccentric Locking Collar 2L Section What does the 8M in

What does the 8M in 1152-8M-85 mean

and Jason Industrial 18/5VX750

"sku":"250-S5M-1200-D&D"

com/s/files/1/0666/7721/files/Banded_VF_Belts_12663514-ea2b-42f9-b19f-a56f6dc3a69e

and Jason Industrial 13/3VX450

Turner Tapped Base Pillow Block - 1-3/8" Bore, Eccentric Locking Collar 2L Section What does the 8M inThe Turner HCTB207 22 is a tapped base pillow block mounted bearing unit with a 1 3 8" bore. It features a HC series insert with eccentric locking in a cast iron housing. Pre lubricated and ready for installation. Product Specifications Bore Size 1 3 8" Housing Style Tapped Base Pillow Block Insert Series HC Shaft Attachment Eccentric Housing Material Cast Iron Bearing Type Ball Bearing Dynamic Load Rating 5,775 lbs Static Load Rating 3,498 lbs