31320T125 X/DB Tapered roller bearings& single row& matched back-to-back
Dimensions: Bore (Inner) Diameter: 100 mm； Outer Diameter: 215 mm； Width (Thickness): 125 mm;

Product Attributes

Product Number	31320T125 X/DB
Bore diameter	100 mm
Outside diameter	215 mm
Total width	125 mm
Shoulder diameter of inner ring	158 mm
Width of outer ring	82 mm
Chamfer minimum dimension of inner ring (r1,2)	4 mm
Basic dynamic load rating (Cr)	685 kn
Basic static load rating (Cor)	930 kN
Fatigue load limit (Pu)	102 kN
Reference speed	1700 r/min
Limiting speed	3000 r/min
Mass	19 kg
Limiting value (e)	0.83
Axial load factor (Y0)	0.8
Minimum diameter of shaft abutment (db)	116 mm
Minimum width of space required in housing on small side face (C	21.5 mm
Width of spacer ring (l)	12
Width of lubrication groove (b)	7
Diameter of lubrication hole (K)	3
Chamfer minimum dimension of outer ring (r5)	1
Axial load factor (Y1)	0.81
Axial load factor (Y2)	1.2
Maximum Radius of housing fillet (ra)	4
Maximum Radius of shaft fillet (rc)	1

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