71960 ACDMA/P4A High Speed Angular Contact Ball Bearings
Dimensions: Bore (Inner) Diameter: 300 mm； Outer Diameter: 420 mm； Width (Thickness): 56 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	25
Part Number	71960 ACDMA/P4A
NSK Code	7960A5TRP4
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)	300 mm
Bore Dia Tolerance	-0.012mm to 0
Outer Dia (D)	420 mm
Outer Dia Tolerance	-0.015mm to 0
Width (B)	56 mm
Width Tolerance	-0.35mm to 0
Ring Material	52100 Chrome steel
Ball Material	52100 Chrome steel
Cage Material	Polyamide
Dynamic Load Rating (Cr) (KN)	351
Static Load Rating (Cor) (KN)	560
Max Speed (Grease) (RPM)	2400
Max Speed (Oil) (RPM)	3800
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)	23000
RoHS	Compliant

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