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NTN single-row radial ball bearing · live catalog page 3

6312ZNC3

Exact live NTN Bearing Finder row with dimensional and load-rating evidence.

Bore d60 mmOutside diameter D130 mmWidth B31 mmDynamic rating90,500 NNTN item page ↗

Published bearing data

Dimensions and load ratings

NTN Bearing Finder
Item number
6312ZNC3
Bore d
60 mm / 2.3622 in
Outside diameter D
130 mm / 5.1181 in
Width B
31 mm / 1.2205 in
Corner radius r
2.1 mm / 0.0827 in
Static load rating
52,000 N / 11,700 lbf
Dynamic load rating
90,500 N / 20,340 lbf
Published row text
6312ZNC3 | N/A 2.3622 in 60.000 mm | N/A 5.1181 in 130.000 mm | N/A 1.2205 in 31.000 mm | N/A 0.0827 in 2.100 mm | N/A 11700 lbf 52000 N 52.00 kN | N/A 20340 lbf 90500 N 90.50 kN

Verification boundary

What still needs to match

Do not infer interchange
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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