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Tape the tube retainer single row angular contact ball bearings C(15°)>7221B
Dimension and Parameters
Designation
:7221B
:7221AA
Principal Dimensions
d :105
D :190
B :36
Basic Load Ratings
Cor. :143.3
Cr. :128.5
Limited Speed
grease :2800
Oil :3800
Weight
Mass（kg） :3.85