71902 CD/HCP4A High Speed Angular Contact Ball Bearings
Dimensions: Bore (Inner) Diameter: 15 mm； Outer Diameter: 28 mm； Width (Thickness): 7 mm;

Product Attributes

Bearing Type	Ball
For Load Direction	Combined Radial and Thrust
Single Row/Double Row	Single
Seal Type	Open
Precision Rating	P4 (ABEC-7)
Contact Angle	15
Part Number	71902 CD/HCP4A
NSK Code	7902CSN24TRP4
Arrangement	DB Set of two bearings arranged back-to-back
	DF Set of two bearings arranged face-to-face >
	DT Set of two bearings arranged in tandem
	DG Set of two bearings for universal matching
Bore Dia (d)	15 mm
Bore Dia Tolerance	-0.004mm to 0
Outer Dia (D)	28 mm
Outer Dia Tolerance	-0.005mm to 0
Width (B)	7 mm
Width Tolerance	-0.08mm to 0
Ring Material	52100 Chrome steel
Ball Material	Ceramic Ball Si3N4
Cage Material	Polyamide
Dynamic Load Rating (Cr) (KN)	3.97
Static Load Rating (Cor) (KN)	1.9
Max Speed (Grease) (RPM)	70000
Max Speed (Oil) (RPM)	110000
Preload	Extra Light Preload
	Light Preload
	Medium Preload
	Heavy Preload
	Special Preload
	Special Axial Clearance
Lubrication	Required
Shaft Mount Type	Press Fit
Temperature Range	-40 to 120 ºC
Weight (grams)	14
RoHS	Compliant

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