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NTN 6311

Deep groove ball · Open
Ø55Ø12029
Bore
55 mm
Outside dia
120 mm
Width
29 mm
Dynamic C
71.5 kN
Static C0
44.0 kN
Speed grease
6,000 rpm
Speed oil
8,000 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 — 14 records

Part numberManufacturerBore×OD×WidthC
311KTimken55×120×2971.5 kN
6311SKF55×120×2974.1 kN
6311KOYO (JTEKT)55×120×2971.5 kN
6311NSK55×120×2971.5 kN
6311FAG (Schaeffler)55×120×2971.5 kN
6311Timken55×120×2970.8 kN
6311MinebeaMitsumi (NMB)55×120×2971.5 kN
6311RBC Bearings55×120×2971.5 kN
6311Peer Bearing55×120×2971.5 kN
6311Nachi Fujikoshi55×120×2971.5 kN
6311INA (Schaeffler)55×120×2971.5 kN
6311LLUNTN55×120×2971.5 kN
6311ZZNTN55×120×2971.5 kN
6211NTN55×100×2143.6 kN