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NTN NNU 4921 BK/SPW33

Cylindrical · Open
Ø105Ø14540
Bore
105 mm
Outside dia
145 mm
Width
40 mm
Dynamic C
130.0 kN
Static C0
260.0 kN
Speed grease
4,762 rpm
Speed oil
6,381 rpm
Clearance
CN (Normal)
Precision
P0
Weight
2.466 kg
Evidence

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

Interchange family — 8 records

Part numberManufacturerBore×OD×WidthC
NNU 4921 BK/SPW33KOYO (JTEKT)105×145×40130.0 kN
NNU 4921 BK/SPW33INA (Schaeffler)105×145×40130.0 kN
NNU 4921 BK/SPW33MinebeaMitsumi (NMB)105×145×40130.0 kN
NNU 4921 BK/SPW33Nachi Fujikoshi105×145×40130.0 kN
NNU 4921 BK/SPW33FAG (Schaeffler)105×145×40130.0 kN
NNU 4921 BK/SPW33Timken105×145×40130.0 kN
NNU 4921 BK/SPW33RBC Bearings105×145×40130.0 kN
NNU 4921 BK/SPW33Peer Bearing105×145×40130.0 kN