NTN single-row radial ball bearing · live catalog page 3
6221ZN
Exact live NTN Bearing Finder row with dimensional and load-rating evidence.
Published bearing data
Dimensions and load ratings
- Item number
- 6221ZN
- Bore d
- 105 mm / 4.1339 in
- Outside diameter D
- 190 mm / 7.4803 in
- Width B
- 36 mm / 1.4173 in
- Corner radius r
- 2.1 mm / 0.0827 in
- Static load rating
- 105,000 N / 23,600 lbf
- Dynamic load rating
- 147,000 N / 33,040 lbf
- Published row text
- 6221ZN | N/A 4.1339 in 105.000 mm | N/A 7.4803 in 190.000 mm | N/A 1.4173 in 36.000 mm | N/A 0.0827 in 2.100 mm | N/A 23600 lbf 105000 N 105.00 kN | N/A 33040 lbf 147000 N 147.00 kN
Verification boundary
What still needs to match
Exact suffixConfirm enclosure, seals/shields, internal clearance, precision class, cage, and material.
FitVerify shaft and housing tolerances, shoulders, fillets, and installation method.
DutyCheck speed, lubrication, temperature, contamination, radial/axial loading, and expected life.
Current dataConfirm the exact item in NTN Bearing Finder before ordering.
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