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7218 ACD/HCP4A High Speed Angular Contact Ball Bearings
Dimensions: Bore (Inner) Diameter: 90 mm; Outer Diameter: 160 mm; Width (Thickness): 30 mm;

7218 ACD/HCP4A
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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 7218 ACD/HCP4A
NSK Code 7218A5SN24TRP4
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) 90 mm
Bore Dia Tolerance -0.008mm to 0
Outer Dia (D) 160 mm
Outer Dia Tolerance -0.01mm to 0
Width (B) 30 mm
Width Tolerance -0.2mm to 0
Ring Material 52100 Chrome steel
Ball Material Ceramic Ball Si3N4
Cage Material Polyamide
Dynamic Load Rating (Cr) (KN) 121
Static Load Rating (Cor) (KN) 106
Max Speed (Grease) (RPM) 9000
Max Speed (Oil) (RPM) 15000
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) 1830
RoHS Compliant
7218 ACD/HCP4A
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