7221 CD/HCP4A - Super Precision Angular Contact Ball Bearings

model	7221 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	Open
Inside Diameter	105 mm
Inner Diameter Tolerance	-0.008mm to 0
Outer Diameter	190 mm
Outer Diameter Tolerance	-0.011mm to 0
Width	36 mm
Width Tolerance	-0.24mm to 0
Inner ring shoulder diameter (largest side) (d1)	131.2 mm
Inner ring shoulder diameter (min side) (d2)	131.2 mm
Outer Ring Shoulder Diameter (Large Side) (D1)	163.8 mm
Chamfer size(r1 2)(min)	2.1 mm
Chamfer size(r3 4)(min)	1.1 mm
Distance from pressure point (a)	37.9 mm
Ferrule Material	51200 Chrome steel
Ball Material	Ceramics
Cage Material	Reinforced phenolic resin
Dynamic Radial Load	172 kN
Static Radial Load	153 kN
Max Speed(X1000 rpm)	14
Lubricant	Lubricant Added
Temperature Range	-30° to 110 °C
ABEC Standard	P4 (ABEC-7)
RoHS Standard	Conform
REACH Standard	Conform
Ball Diameter	26.988 mm
Number of balls	15
Weight	3.14 kg

Information