30307 Metric Single Row Tapered Roller Bearings
Dimensions: Bore (Inner) Diameter: 35 mm； Outer Diameter: 80 mm； Width (Thickness): 22.75 mm;

Product Attributes

Product Number	30307
Bore diameter	35 mm
Outside diameter	80 mm
Total width	22.75 mm
Shoulder diameter of inner ring	54.5 mm
Widthof inner ring	21 mm
Width of outer ring	18 mm
Chamfer minimum dimension of inner ring (r1,2)	2 mm
Chamfer minimum dimension of outer ring (r3,4)	1.5 mm
Distance side face to pressure point (a)	16 mm
Basic dynamic load rating (Cr)	88.9 kn
Basic static load rating (Cor)	73.5 kN
Fatigue load limit (Pu)	8.3 kN
Reference speed	7000 r/min
Limiting speed	9000 r/min
Mass	0.51 kg
Limiting value (e)	0.31
Axial load factor (Y)	1.9
Axial load factor (Y0)	1.1
Maximum diameter of shaft abutment (da)	46 mm
Minimum diameter of shaft abutment (db)	44.5 mm
Minimum diameter of housing abutment (Da)	70 mm
Maximum diameter of housing abutment (Da)	72 mm
Minimum diameter of housing abutment (Db)	74 mm
Minimum width of space required in housing on large side face (C	3 mm
Minimum width of space required in housing on small side face (C	4.5 mm
Maximum Radius of shaft fillet (ra)	2 mm
Maximum Radius of housing fillet (rb)	1.5 mm

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