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31309/DF Tapered roller bearings& single row& matched face-to-face
Dimensions: Bore (Inner) Diameter: 45 mm; Outer Diameter: 100 mm; Width (Thickness): ;

31309/DF
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Product Attributes
Product Number31309/DF
Bore diameter45 mm
Outside diameter100 mm
Shoulder diameter of inner ring54.5 mm
Widthof inner ring50 mm
Chamfer minimum dimension of outer ring (r3,4)0.6 mm
Basic dynamic load rating (Cr)194 kn
Basic static load rating (Cor)204 kN
Fatigue load limit (Pu)24.5 kN
Reference speed4000 r/min
Limiting speed6700 r/min
Mass2 kg
Limiting value (e)0.83
Axial load factor (Y)0.81
Axial load factor (Y0)1.2
Maximum diameter of shaft abutment (da)57 mm
Minimum diameter of housing abutment (Da)79 mm
Maximum diameter of housing abutment (Da)92 mm
Minimum width of space required in housing on large side face (C4 mm
Maximum Radius of shaft fillet (ra)0.6 mm
Maximum Radius of housing fillet (rb)1.5 mm
31309/DF
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