BearingBrain
Parts Intelligence
Part page

NTN 331978 BG

Tapered · Open
Ø540Ø690400
Bore
540 mm
Outside dia
690 mm
Width
400 mm
Dynamic C
7480.0 kN
Static C0
21200.0 kN
Speed grease
2,000 rpm
Speed oil
3,000 rpm
Clearance
CN (Normal)
Precision
P0 (Class4)
Weight
455.005 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
331978 BGKOYO (JTEKT)540×690×4007480.0 kN
331978 BGINA (Schaeffler)540×690×4007480.0 kN
331978 BGMinebeaMitsumi (NMB)540×690×4007480.0 kN
331978 BGNachi Fujikoshi540×690×4007480.0 kN
331978 BGFAG (Schaeffler)540×690×4007480.0 kN
331978 BGTimken540×690×4007480.0 kN
331978 BGRBC Bearings540×690×4007480.0 kN
331978 BGPeer Bearing540×690×4007480.0 kN