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NTN 31311

Tapered · Open
Ø55Ø12032
Bore
55 mm
Outside dia
120 mm
Width
31.50 mm
Dynamic C
149.0 kN
Static C0
137.0 kN
Speed grease
4,300 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
31311FAG (Schaeffler)55×120×31.5149.0 kN
31311Timken55×120×31.5149.0 kN
31311RBC Bearings55×120×31.5149.0 kN
31311Peer Bearing55×120×31.5149.0 kN
31311KOYO (JTEKT)55×120×31.5149.0 kN
31311INA (Schaeffler)55×120×31.5149.0 kN
31311MinebeaMitsumi (NMB)55×120×31.5149.0 kN
31311Nachi Fujikoshi55×120×31.5149.0 kN