d:  D: B:  
Bearing No.Internal DiameterOutside DiameterWidthCatalogue
WR1938157D-1 156.59 38.1 18.961 WR Series
WR1938157D 156.59 38.1 18.961 WR Series
K56X61X20 56 61 20 K Series
3811/560 560 920 620 Four Row Series
292/560 560 750 40 Large Size Series
3819/560/HC 560 750 368 Four Row Series
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