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7221BWDF Duplex Pair Bearings
Dimensions: Bore (Inner) Diameter: 105 mm; Outer Diameter: 190 mm; Width (Thickness): 72 mm;

7221BWDF
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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 40
Part Number 7221BWDF
Arrangement DF (face-to-face arrangement)
Bore Dia (d) 105 mm
Bore Dia Tolerance -0.008mm to 0
Outer Dia (D) 190 mm
Outer Dia Tolerance -0.011mm to 0
Width (2B) 72 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) 231
Static Load Rating (Cor) (KN) 258
Max Speed (Grease) (RPM) 1700
Max Speed (Oil) (RPM)  2400
Lubrication Required
Shaft Mount Type Press Fit
Temperature Range -40 to 120 ºC
Mass(Kg) 7.84
RoHS Compliant
7221BWDF
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