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31312/DF Tapered roller bearings& single row& matched face-to-face
Dimensions: Bore (Inner) Diameter: 60 mm; Outer Diameter: 130 mm; Width (Thickness): ;

31312/DF
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Product Attributes
Product Number31312/DF
Bore diameter60 mm
Outside diameter130 mm
Shoulder diameter of inner ring67 mm
Widthof inner ring62 mm
Chamfer minimum dimension of outer ring (r3,4)1 mm
Basic dynamic load rating (Cr)303 kn
Basic static load rating (Cor)335 kN
Fatigue load limit (Pu)40.5 kN
Reference speed3000 r/min
Limiting speed5300 r/min
Mass4.05 kg
Limiting value (e)0.83
Axial load factor (Y)0.81
Axial load factor (Y0)1.2
Maximum diameter of shaft abutment (da)74 mm
Minimum diameter of housing abutment (Da)103 mm
Maximum diameter of housing abutment (Da)119 mm
Minimum width of space required in housing on large side face (C5 mm
Maximum Radius of shaft fillet (ra)1 mm
Maximum Radius of housing fillet (rb)2.5 mm
31312/DF
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