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NTN 30311

Tapered · Open
Ø55Ø12032
Bore
55 mm
Outside dia
120 mm
Width
31.50 mm
Dynamic C
176.0 kN
Static C0
163.0 kN
Speed grease
4,800 rpm
Speed oil
5,600 rpm
Clearance
CN (Normal)
Precision
P0 (Class4)
Weight
2.209 kg
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Evidence

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

Interchange family — 8 records

Part numberManufacturerBore×OD×WidthC
30311FAG (Schaeffler)55×120×31.5176.0 kN
30311Timken55×120×31.5176.0 kN
30311RBC Bearings55×120×31.5176.0 kN
30311Peer Bearing55×120×31.5176.0 kN
30311KOYO (JTEKT)55×120×31.5176.0 kN
30311INA (Schaeffler)55×120×31.5176.0 kN
30311MinebeaMitsumi (NMB)55×120×31.5176.0 kN
30311Nachi Fujikoshi55×120×31.5176.0 kN