Part Number | 7228 CD/P4A |
Equivalent to Manufacturer | SKF |
System of Measurement | Metric |
Bearing Type | Ball |
Internal Design | High Capacity |
Contact Angle | 15° |
Lubrication Hole | NO |
For Load Direction | Combined Radial and Thrust |
Construction | Single Row |
Seal Type | Open |
Bore Dia | 140 mm |
Bore Dia Tolerance | -0.01mm to 0 |
Outer Dia | 250 mm |
Outer Dia Tolerance | -0.011mm to 0 |
Width | 42 mm |
Width Tolerance | -0.24mm to 0 |
Shoulder Diameter Inner Ring (Large Side Face)(d1) | 176.8 mm |
Shoulder Diameter Inner Ring (Small Side Face)(d2) | 176.8 mm |
Shoulder Diameter Outer Ring (Large Side Face)(D1) | 213.2 mm |
Chamfer Dimension (r1 2)(min) | 3 mm |
Chamfer Dimension (r3 4)(min) | 1.5 mm |
Distance Pressure Point (a) | 47.3 mm |
Ring Material | 52100 Chrome Steel |
Ball Material | 52100 Chrome Steel |
Cage Material | Cotton fabric reinforced phenolic resin |
Dynamic Radial Load | 221 kN |
Static Radial Load | 240 kN |
Max Speed (X1000 rpm) | 8.5 |
Lubrication | Lubricated |
Temperature Range | -30° to 110 °C |
ABEC Rating | P4 (ABEC-7) |
ROHS | Compliant |
REACH | Compliant |
Ball Dia | 30.162 mm |
Ball Qty | 18 |
Weight | 8.14 kg |