d:  D: B:  
Bearing No.Internal DiameterOutside DiameterWidthCatalogue
LM300849/LM300811 40.988 67.975 18 Single Row Trapered Roller Bearing In English System
TES0831A/LM300811 40.988 67.975 18 Single Row Trapered Roller Bearing In English System
BT1B328612C 40.988 68 18 Single Row Trapered Roller Bearing In English System
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