71930 CD/P4A High Speed Angular Contact Ball Bearings
Dimensions: Bore (Inner) Diameter: 150 mm； Outer Diameter: 210 mm； Width (Thickness): 28 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	71930 CD/P4A
NSK Code	7930CTRP4
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)	150 mm
Bore Dia Tolerance	-0.01mm to 0
Outer Dia (D)	210 mm
Outer Dia Tolerance	-0.011mm to 0
Width (B)	28 mm
Width Tolerance	-0.25mm to 0
Ring Material	52100 Chrome steel
Ball Material	52100 Chrome steel
Cage Material	Polyamide
Dynamic Load Rating (Cr) (KN)	114
Static Load Rating (Cor) (KN)	132
Max Speed (Grease) (RPM)	6300
Max Speed (Oil) (RPM)	9500
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)	2500
RoHS	Compliant

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