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71948 ACD/HCP4A High Speed Angular Contact Ball Bearings
Dimensions: Bore (Inner) Diameter: 240 mm; Outer Diameter: 320 mm; Width (Thickness): 38 mm;

71948 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 71948 ACD/HCP4A
NSK Code 7948A5SN24TRP4
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) 240 mm
Bore Dia Tolerance -0.012mm to 0
Outer Dia (D) 320 mm
Outer Dia Tolerance -0.015mm to 0
Width (B) 38 mm
Width Tolerance -0.3mm to 0
Ring Material 52100 Chrome steel
Ball Material Ceramic Ball Si3N4
Cage Material Polyamide
Dynamic Load Rating (Cr) (KN) 216
Static Load Rating (Cor) (KN) 305
Max Speed (Grease) (RPM) 4300
Max Speed (Oil) (RPM) 6300
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) 5980
RoHS Compliant
71948 ACD/HCP4A
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