S7028 CD/HCP4A - Super Precision Angular Contact Ball Bearings

model	S7028 CD/HCP4A
Metering system	Metric system
Bearing Type	Ball
Interior Design	High capacity
Contact angle	15°
Lubrication hole	None
Load Direction	Radial force and axial force
Structure	Single Column
Seal Type	Rubber sealing cap
Inside Diameter	140 mm
Inner Diameter Tolerance	-0.01mm to 0
Outer Diameter	210 mm
Outer Diameter Tolerance	-0.011mm to 0
Width	33 mm
Width Tolerance	-0.24mm to 0
Inner ring shoulder diameter (largest side) (d1)	161.6 mm
Inner ring shoulder diameter (min side) (d2)	161.6 mm
Seat shoulder diameter (largest side) (D2)	193.1 mm
Chamfer size(r1 2)(min)	2 mm
Chamfer size(r3 4)(min)	1 mm
Distance from pressure point (a)	40.1 mm
Ferrule Material	51200 Chrome steel
Ball Material	Ceramics
Cage Material	Reinforced phenolic resin
Dynamic Radial Load	153 kN
Static Radial Load	166 kN
Max Speed(X1000 rpm)	7.5
Lubricant	Lubricant Added
Temperature Range	-30° to 110 °C
ABEC Standard	P4 (ABEC-7)
RoHS Standard	Conform
REACH Standard	Conform
Ball Diameter	22.225 mm
Number of balls	22
Weight	2.85 kg

Information