NTN single-row radial ball bearing · live catalog page 3
6307ZNC3
Exact live NTN Bearing Finder row with dimensional and load-rating evidence.
Published bearing data
Dimensions and load ratings
- Item number
- 6307ZNC3
- Bore d
- 35 mm / 1.378 in
- Outside diameter D
- 80 mm / 3.1496 in
- Width B
- 21 mm / 0.8268 in
- Corner radius r
- 1.5 mm / 0.0591 in
- Static load rating
- 19,100 N / 4,300 lbf
- Dynamic load rating
- 37,000 N / 8,310 lbf
- Published row text
- 6307ZNC3 | N/A 1.3780 in 35.000 mm | N/A 3.1496 in 80.000 mm | N/A 0.8268 in 21.000 mm | N/A 0.0591 in 1.500 mm | N/A 4300 lbf 19100 N 19.10 kN | N/A 8310 lbf 37000 N 37.00 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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