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NTN BT4B 334048/HA1

Tapered · Open
Ø384Ø546438
Bore
384.18 mm
Outside dia
546.10 mm
Width
437.96 mm
Dynamic C
6440.0 kN
Static C0
16600.0 kN
Speed grease
2,000 rpm
Speed oil
3,000 rpm
Clearance
CN (Normal)
Precision
P0 (Class4)
Weight
406.742 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
BT4B 334048/HA1KOYO (JTEKT)384.175×546.1×437.966440.0 kN
BT4B 334048/HA1INA (Schaeffler)384.175×546.1×437.966440.0 kN
BT4B 334048/HA1MinebeaMitsumi (NMB)384.175×546.1×437.966440.0 kN
BT4B 334048/HA1Nachi Fujikoshi384.175×546.1×437.966440.0 kN
BT4B 334048/HA1FAG (Schaeffler)384.175×546.1×437.966440.0 kN
BT4B 334048/HA1Timken384.175×546.1×437.966440.0 kN
BT4B 334048/HA1RBC Bearings384.175×546.1×437.966440.0 kN
BT4B 334048/HA1Peer Bearing384.175×546.1×437.966440.0 kN