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7021CDF Duplex Pair Bearings
Dimensions: Bore (Inner) Diameter: 105 mm; Outer Diameter: 160 mm; Width (Thickness): 52 mm;

7021CDF
Product Attributes
Bearing Type Ball
For Load Direction Combined Radial and Thrust
Construction Two
Single Row/Double Row Single
Seal Type Open
Precision Rating P4 (ABEC-7)
Contact Angle 15
Part Number 7021CDF
Arrangement DF (face-to-face arrangement)
Bore Dia (d) 105 mm
Bore Dia Tolerance -0.008mm to 0
Outer Dia (D) 160 mm
Outer Dia Tolerance -0.01mm to 0
Width (2B) 52 mm
Width Tolerance -0.2mm to 0
Ring Material 52100 Chrome steel
Ball Material 52100 Chrome steel
Cage Material TYN (ball guided polyamide resin cage)
TR (outer ring guided polyamide resin cage)
W ( steel plate punching)
T85 (polyamide 46 resin)
Dynamic Load Rating (Cr) (KN) 143
Static Load Rating (Cor) (KN) 179
Max Speed (Grease) (RPM) 4800
Max Speed (Oil) (RPM)  6700
Lubrication Required
Shaft Mount Type Press Fit
Temperature Range -40 to 120 ºC
Mass(Kg) 3.64
RoHS Compliant
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