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30304 Metric Single Row Tapered Roller Bearings
Dimensions: Bore (Inner) Diameter: 20 mm; Outer Diameter: 52 mm; Width (Thickness): 16.25 mm;

30304
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Product Attributes
Product Number30304
Bore diameter20 mm
Outside diameter52 mm
Total width16.25 mm
Shoulder diameter of inner ring34.4 mm
Widthof inner ring15 mm
Width of outer ring13 mm
Chamfer minimum dimension of inner ring (r1,2)1.5 mm
Chamfer minimum dimension of outer ring (r3,4)1.5 mm
Distance side face to pressure point (a)11 mm
Basic dynamic load rating (Cr)41.9 kn
Basic static load rating (Cor)32.5 kN
Fatigue load limit (Pu)3.55 kN
Reference speed12000 r/min
Limiting speed14000 r/min
Mass0.17 kg
Limiting value (e)0.3
Axial load factor (Y)2
Axial load factor (Y0)1.1
Maximum diameter of shaft abutment (da)28 mm
Minimum diameter of shaft abutment (db)27.5 mm
Minimum diameter of housing abutment (Da)44 mm
Maximum diameter of housing abutment (Da)45.5 mm
Minimum diameter of housing abutment (Db)47 mm
Minimum width of space required in housing on large side face (C2 mm
Minimum width of space required in housing on small side face (C3 mm
Maximum Radius of shaft fillet (ra)1.5 mm
Maximum Radius of housing fillet (rb)1.5 mm
30304
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