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NTN 6311-2Z

Deep groove ball · 2Z shield
Ø55Ø12029
Bore
55 mm
Outside dia
120 mm
Width
29 mm
Dynamic C
71.5 kN
Static C0
44.0 kN
Speed grease
5,700 rpm
Speed oil
7,600 rpm
Clearance
CN
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 — 7 records

Part numberManufacturerBore×OD×WidthC
6311-2ZTimken55×120×2971.5 kN
6311-2ZRBC Bearings55×120×2971.5 kN
6311-2ZPeer Bearing55×120×2971.5 kN
6311-2ZKOYO (JTEKT)55×120×2971.5 kN
6311-2ZINA (Schaeffler)55×120×2971.5 kN
6311-2ZMinebeaMitsumi (NMB)55×120×2971.5 kN
6311-2ZNachi Fujikoshi55×120×2971.5 kN