BearingBrain
Parts Intelligence
Part page

NTN 6311-2RS1

Deep groove ball · 2RS contact seal
Ø55Ø12029
Bore
55 mm
Outside dia
120 mm
Width
29 mm
Dynamic C
74.1 kN
Static C0
45.0 kN
Speed grease
7,273 rpm
Speed oil
3,800 rpm
Clearance
CN
Precision
ABEC-1 (P0)
Weight
2.034 kg
Evidence

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

Interchange family — 8 records

Part numberManufacturerBore×OD×WidthC
6311-2RS1KOYO (JTEKT)55×120×2974.1 kN
6311-2RS1INA (Schaeffler)55×120×2974.1 kN
6311-2RS1MinebeaMitsumi (NMB)55×120×2974.1 kN
6311-2RS1Nachi Fujikoshi55×120×2974.1 kN
6311-2RS1FAG (Schaeffler)55×120×2974.1 kN
6311-2RS1Timken55×120×2974.1 kN
6311-2RS1RBC Bearings55×120×2974.1 kN
6311-2RS1Peer Bearing55×120×2974.1 kN