BearingBrain
Parts Intelligence
Part page

NTN KDN.KB055AR0

Angular · Open
Ø140Ø1568
Bore
139.70 mm
Outside dia
155.57 mm
Width
7.94 mm
Dynamic C
5.2 kN
Static C0
11.1 kN
Speed grease
3,579 rpm
Speed oil
4,796 rpm
Clearance
CN (Normal)
Precision
ABEC-1 (P0)
Weight
0.229 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
KDN.KB055AR0FAG (Schaeffler)139.7×155.575×7.9385.2 kN
KDN.KB055AR0Timken139.7×155.575×7.9385.2 kN
KDN.KB055AR0RBC Bearings139.7×155.575×7.9385.2 kN
KDN.KB055AR0Peer Bearing139.7×155.575×7.9385.2 kN
KDN.KB055AR0KOYO (JTEKT)139.7×155.575×7.9385.2 kN
KDN.KB055AR0INA (Schaeffler)139.7×155.575×7.9385.2 kN
KDN.KB055AR0MinebeaMitsumi (NMB)139.7×155.575×7.9385.2 kN
KDN.KB055AR0Nachi Fujikoshi139.7×155.575×7.9385.2 kN