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31309T62.5/DB Tapered roller bearings& single row& matched back-to-back
Dimensions: Bore (Inner) Diameter: 45 mm; Outer Diameter: 100 mm; Width (Thickness): 62.5 mm;

31309T62.5/DB
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Product Attributes
Product Number31309T62.5/DB
Bore diameter45 mm
Outside diameter100 mm
Total width62.5 mm
Shoulder diameter of inner ring74.7 mm
Width of outer ring44 mm
Chamfer minimum dimension of inner ring (r1,2)2 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
Mass2.1 kg
Limiting value (e)0.83
Axial load factor (Y0)0.8
Minimum diameter of shaft abutment (db)55 mm
Minimum width of space required in housing on small side face (C9 mm
Width of spacer ring (l)8
Width of lubrication groove (b)5
Diameter of lubrication hole (K)3
Chamfer minimum dimension of outer ring (r5)0.6
Axial load factor (Y1)0.81
Axial load factor (Y2)1.2
Maximum Radius of housing fillet (ra)2
Maximum Radius of shaft fillet (rc)0.6
31309T62.5/DB
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