Description
Brand - SKF
Item Number - 7228 CD/HCP4A SKF
Category - Angular Contact Ball Bearing Single Row
Inner Diameter (d) mm - 140
Outer Diameter (D) mm - 250
Width (B) mm - 42
Basic Dynamic Load Rating (C) kN - 221
Basic Static Load Rating (C0) kN - 240
Fatigue Load Limit (Pu) kN - 7.35
Attainable Grease Lubrication (r/min) - 7000
Speeds Oil-Air Lubrication (r/min) - 10000
Weight (kg) - 6.9
Large Side Face Shoulder Diameter of Inner Ring (d1) mm - 176.9
Small Side Face Shoulder Diameter of Inner Ring (d2) mm - 176.9
Large Side Face Shoulder Diameter of Outer Ring (D1) mm - 213.2
Minimum Chamfer Dimension (r1, r2) mm - 3
Minimum Chamfer Dimension (r3, r4) mm - 1.5
Minimum Diameter of Shaft Abutment (da) mm - 154
Minimum Diameter of Shaft Abutment (db) mm - 154
Maximum Diameter of Housing Abutment (Da) mm - 236
Maximum Diameter of Housing Abutment (Db) mm - 241
Maximum Radius of Fillet (ra) mm - 2.5
Maximum Radius of Fillet (rb) mm - 1.5
Position of Oil Nozzle (dn) mm - 184.8
Reference Grease Quantity (Gref) cm3 - 84
Calculation Factor for Equivalent Loads (f0) - 15.2
** Image is for representation purposes only