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AOBOTE BEARING GROUP has years of selling experiences on high quality of NTN 7221C bearings.For decades, we supply best NTN 7221C bearings to the clients around the world .NTN 7221C bearings are widely used in many domains of precision machinery .The technology of NTN 7221C bearings has achieved the precision of the nanometer unit size ,which is high-end in the world.It was expect precision in the past, but now NTN 7221C bearings has started to use in various fields ,orbit satellite, aviation, railway and automobile, papermaking equipment, office equipment and food machinery industries etc. Pre:NTN 7222C Next:NTN 7220C
Bearing number : 7221C
Size (mm) : 105x190x36
Brand : NTN
Bore Diameter (mm) : 105
Outer Diameter (mm) : 190
Width (mm) : 36
d - 105 mm
D - 190 mm
B - 36 mm
C - 36 mm
Angle (α) - 15 °
a - 38 mm
r min. - 2,1 mm
r1 min. - 1,1 mm
Weight - 3,66 Kg
Basic dynamic load rating (C) - 162 kN
Basic static load rating (C0) - 143 kN
(Grease) Lubrication Speed - 5 500 r/min
(Oil) Lubrication Speed - 7 300 r/min
Calculation factor (f0) - 14,5
