Turner Take-Up Unit - 7/8" Bore, Eccentric Locking Collar - L3 Heavy-Duty Seal PIX What does the 8M in

What does the 8M in 344-8M-30 mean

1820-14M-40 has a 14 mm tooth pitch

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"text": "The 7/B83 is used for high-shock and high-vibration drives

Turner Take-Up Unit - 7/8" Bore, Eccentric Locking Collar - L3 Heavy-Duty Seal PIX What does the 8M inThe Turner HCST205 14 L3 is a take up unit mounted bearing unit with a 7 8" 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 7 8" Housing Style Take Up Unit Insert Series HC Shaft Attachment Eccentric Housing Material Cast Iron Bearing Type Ball Bearing Lubrication Seal L3 Heavy Duty Dynamic Load Rating 3,156 lbs Static