NTN single-row radial ball bearing · live catalog page 1
FLR4
Exact live NTN Bearing Finder row with dimensional and load-rating evidence.
Published bearing data
Dimensions and load ratings
- Item number
- FLR4
- Bore d
- 6.35 mm / 0.25 in
- Outside diameter D
- 15.875 mm / 0.625 in
- Width B
- 4.978 mm / 0.196 in
- Corner radius r
- 0.3 mm / 0.0118 in
- Static load rating
- 615 N / 138 lbf
- Dynamic load rating
- 1,480 N / 335 lbf
- Published row text
- FLR4 | N/A 0.2500 in 6.350 mm | N/A 0.6250 in 15.875 mm | N/A 0.1960 in 4.978 mm | N/A 0.0118 in 0.300 mm | N/A 138 lbf 615 N | N/A 335 lbf 1480 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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