Dimensions of tapered roller bearings:
 

Single row tapered roller bearings:
   Inner diameter size range: 20mm~1270mm
   Outer diameter size range: 40mm~1465mm
   Width size range: 15mm~240mm
Double row tapered roller bearings:
   Inner diameter size range: 38mm~1560mm
   Outer diameter size range: 70mm~1800mm
   Width size range: 50mm~460mm
Four row tapered roller bearings:
   Inner diameter size range: 130mm~1600mm
   Outer diameter size range: 200mm~2000mm
   Width size range: 150mm~1150mm