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

63/28ZNC3

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

Bore d28 mmOutside diameter D68 mmWidth B18 mmDynamic rating29,600 NNTN item page ↗

Published bearing data

Dimensions and load ratings

NTN Bearing Finder
Item number
63/28ZNC3
Bore d
28 mm / 1.1024 in
Outside diameter D
68 mm / 2.6772 in
Width B
18 mm / 0.7087 in
Corner radius r
1.1 mm / 0.0433 in
Static load rating
14,000 N / 3,150 lbf
Dynamic load rating
29,600 N / 6,650 lbf
Published row text
63/28ZNC3 | N/A 1.1024 in 28.000 mm | N/A 2.6772 in 68.000 mm | N/A 0.7087 in 18.000 mm | N/A 0.0433 in 1.100 mm | N/A 3150 lbf 14000 N 14.00 kN | N/A 6650 lbf 29600 N 29.60 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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