Industrial replacement referenceSource-backed records · No compatibility guesswork

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

6808ZNC3

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

Bore d40 mmOutside diameter D52 mmWidth B7 mmDynamic rating5,650 NNTN item page ↗

Published bearing data

Dimensions and load ratings

NTN Bearing Finder
Item number
6808ZNC3
Bore d
40 mm / 1.5748 in
Outside diameter D
52 mm / 2.0472 in
Width B
7 mm / 0.2756 in
Corner radius r
0.3 mm / 0.0118 in
Static load rating
4,400 N / 990 lbf
Dynamic load rating
5,650 N / 1,270 lbf
Published row text
6808ZNC3 | N/A 1.5748 in 40.000 mm | N/A 2.0472 in 52.000 mm | N/A 0.2756 in 7.000 mm | N/A 0.0118 in 0.300 mm | N/A 990 lbf 4400 N 4.40 kN | N/A 1270 lbf 5650 N 5.65 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.

Related NTN bearings

Same bore dimension

8