BearingBrain
Parts Intelligence
Part page

NTN 21309 EK

Spherical · Open
Ø45Ø10025
Bore
45 mm
Outside dia
100 mm
Width
25 mm
Dynamic C
129.0 kN
Static C0
127.0 kN
Speed grease
6,300 rpm
Speed oil
8,500 rpm
Clearance
CN (Normal)
Precision
P0
Weight
1.229 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
21309 EKFAG (Schaeffler)45×100×25129.0 kN
21309 EKTimken45×100×25129.0 kN
21309 EKRBC Bearings45×100×25129.0 kN
21309 EKPeer Bearing45×100×25129.0 kN
21309 EKKOYO (JTEKT)45×100×25129.0 kN
21309 EKINA (Schaeffler)45×100×25129.0 kN
21309 EKMinebeaMitsumi (NMB)45×100×25129.0 kN
21309 EKNachi Fujikoshi45×100×25129.0 kN