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NTN 6311C3

Deep groove ball · Open
Ø55Ø12029
Bore
55 mm
Outside dia
120 mm
Width
29 mm
Dynamic C
69.4 kN
Static C0
40.3 kN
Speed grease
4,800 rpm
Speed oil
6,000 rpm
Clearance
C3
Precision
ABEC-1 (P0)
Weight
2.034 kg
Interactive view — 3D model + CAD files → Substitution sheet — printable →
Evidence

catalog-search · eligible · eval ship · deterministic executor · partsbrain pull 2026-09-08

Interchange family — 5 records

Part numberManufacturerBore×OD×WidthC
6311C3NSK55×120×2970.1 kN
6311.C3FAG (Schaeffler)55×120×2972.2 kN
6311C3Timken55×120×2970.8 kN
6311/C3SKF55×120×2974.1 kN
6311C3KOYO (JTEKT)55×120×2968.6 kN