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 30
Part Number 7221AWDB
Arrangement DB (back-to-back 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) 254
Static Load Rating (Cor) (KN) 283
Max Speed (Grease) (RPM) 2400
Max Speed (Oil) (RPM)  3400
Lubrication Required
Shaft Mount Type Press Fit
Temperature Range -40 to 120 ºC
Mass(Kg) 7.68
RoHS Compliant
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