d:  D: B:  
Bearing No.Internal DiameterOutside DiameterWidthCatalogue
WR1630104D-2 104 30 15.918 WR Series
WR1630104D-3 104 30 15.918 WR Series
WR1630104 104.2 30 15.918 WR Series
WR1936105DD 104.5 36 19.012 WR Series
WR2040105 104.5 40 20.004 WR Series
WR1630105D 104.55 30 15.939 WR Series
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