7028 ACD/P4AH1

7028 ACD/P4AH1

7028 ACD/P4AH1
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 7028 ACD/P4AH1
NSK Code 7028A5TRE34P4
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) 140 mm
Bore Dia Tolerance -0.01mm to 0
Outer Dia (D) 210 mm
Outer Dia Tolerance -0.011mm to 0
Width (B) 33 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) 146
Static Load Rating (Cor) (KN) 156
Max Speed (Grease) (RPM) 5600
Max Speed (Oil) (RPM) 8500
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) 3420
RoHS Compliant
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