Description
Brand - SKF
Item Number - 7221 CD/HCP4A SKF
Category - Angular Contact Ball Bearing Single Row
Inner Diameter (d) mm - 105
Outer Diameter (D) mm - 190
Width (B) mm - 36
Basic Dynamic Load Rating (C) kN - 172
Basic Static Load Rating (C0) kN - 153
Fatigue Load Limit (Pu) kN - 5.3
Attainable Grease Lubrication (r/min) - 9000
Speeds Oil-Air Lubrication (r/min) - 14000
Weight (kg) - 3.15
Large Side Face Shoulder Diameter of Inner Ring (d1) mm - 131.2
Small Side Face Shoulder Diameter of Inner Ring (d2) mm - 131.2
Large Side Face Shoulder Diameter of Outer Ring (D1) mm - 163.8
Minimum Chamfer Dimension (r1, r2) mm - 2.1
Minimum Chamfer Dimension (r3, r4) mm - 1.1
Minimum Diameter of Shaft Abutment (da) mm - 117
Minimum Diameter of Shaft Abutment (db) mm - 117
Maximum Diameter of Housing Abutment (Da) mm - 178
Maximum Diameter of Housing Abutment (Db) mm - 183
Maximum Radius of Fillet (ra) mm - 2
Maximum Radius of Fillet (rb) mm - 1
Position of Oil Nozzle (dn) mm - 138.4
Reference Grease Quantity (Gref) cm3 - 48
Calculation Factor for Equivalent Loads (f0) - 14,5
** Image is for representation purposes only