NTN single-row radial ball bearing · live catalog page 1
FLRA188ZZA
Exact live NTN Bearing Finder row with dimensional and load-rating evidence.
Published bearing data
Dimensions and load ratings
- Item number
- FLRA188ZZA
- Bore d
- 6.35 mm / 0.25 in
- Outside diameter D
- 12.7 mm / 0.5 in
- Width B
- 4.762 mm / 0.1875 in
- Corner radius r
- 0.13 mm / 0.0051 in
- Static load rating
- 370 N / 83 lbf
- Dynamic load rating
- 830 N / 187 lbf
- Published row text
- FLRA188ZZA | N/A 0.2500 in 6.350 mm | N/A 0.5000 in 12.700 mm | N/A 0.1875 in 4.762 mm | N/A 0.0051 in 0.130 mm | N/A 83 lbf 370 N | N/A 187 lbf 830 N
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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