Bearings by size
150×320×108 mmbearing
2 standard bearings share the 150×320×108 mm envelope (bore × outside diameter × width). They fit the same shaft and housing bore but are different bearing types.
Same size is not the same bearing. These types carry loads in different directions, have different speed limits and may need different fits, preload or lubrication. Swapping one for another needs an engineering check, not just a matching size.
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