Turner SA Series Bearing Insert - 16G Bore TL1108 What does the AT10US in

What does the AT10US in 32AT10/1000US mean

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so a 16T10/2430US from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

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Turner SA Series Bearing Insert - 16G Bore TL1108 What does the AT10US inThe Turner SA205 16G is a SA series ball bearing insert with a 16" bore and eccentric locking. Designed for use in standard mounted bearing housings. Product Specifications Bore Size 16" Insert Series SA Shaft Attachment Eccentric Bearing Type Ball Bearing Dynamic Load Rating 3,156 lbs Static Load Rating 1,810 lbs Limiting Speed 6000 RPM Duty Level Light Part Number SA205 16G Series Specifications