BearingBrain
Parts Intelligence
Part page

NTN MRC.311SG

Deep groove ball · Open
Ø55Ø12029
Bore
55 mm
Outside dia
120 mm
Width
29 mm
Dynamic C
74.1 kN
Static C0
45.0 kN
Speed grease
12,000 rpm
Speed oil
8,000 rpm
Clearance
CN (Normal)
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 — 8 records

Part numberManufacturerBore×OD×WidthC
MRC.311SGKOYO (JTEKT)55×120×2974.1 kN
MRC.311SGINA (Schaeffler)55×120×2974.1 kN
MRC.311SGMinebeaMitsumi (NMB)55×120×2974.1 kN
MRC.311SGNachi Fujikoshi55×120×2974.1 kN
MRC.311SGFAG (Schaeffler)55×120×2974.1 kN
MRC.311SGTimken55×120×2974.1 kN
MRC.311SGRBC Bearings55×120×2974.1 kN
MRC.311SGPeer Bearing55×120×2974.1 kN