7220CDB Duplex Pair Bearings
Dimensions: Bore (Inner) Diameter: 100 mm； Outer Diameter: 180 mm； Width (Thickness): 68 mm;

Product Attributes

Bearing Type	Ball
For Load Direction	Combined Radial and Thrust
Construction	Two
Single Row/Double Row	Single
Seal Type	Open
Precision Rating	P4 (ABEC-7)
Contact Angle	15
Part Number	7220CDB
Arrangement	DB (back-to-back arrangement)
Bore Dia (d)	100 mm
Bore Dia Tolerance	-0.008mm to 0
Outer Dia (D)	180 mm
Outer Dia Tolerance	-0.01mm to 0
Width (2B)	68 mm
Width Tolerance	-0.2mm to 0
Ring Material	52100 Chrome steel
Ball Material	52100 Chrome steel
Cage Material	TYN (ball guided polyamide resin cage)
	TR (outer ring guided polyamide resin cage)
	W ( steel plate punching)
	T85 (polyamide 46 resin)
Dynamic Load Rating (Cr) (KN)	242
Static Load Rating (Cor) (KN)	254
Max Speed (Grease) (RPM)	4500
Max Speed (Oil) (RPM)	6300
Lubrication	Required
Shaft Mount Type	Press Fit
Temperature Range	-40 to 120 ºC
Mass(Kg)	7.3
RoHS	Compliant

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