Nachi Fujikoshi

Bearing

KDN.KF040AR0

Reali-Slim thin section angular contact ball bearing

Nachi Fujikoshi KDN.KF040AR0

Specifications

Bore (d)101.600 mm
Outer Diameter (D)139.700 mm
Width (B)19.050 mm
Seal TypeOpen
Bearing TypeAngular Contact
Dynamic Load (C)18.300 kN
Static Load (C₀)24.100 kN
Speed — Grease4,921 RPM
Speed — Oil6,594 RPM
Temperature Range-30°C to 120°C
Rows1
ClearanceCN/Normal

Nachi equivalent

Need help finding the right bearing?

Ask BearingBrain →

Need expert help with bearing selection, failure analysis, or application engineering?

Talk to a bearing engineer →

© 2026 BearingBrainMade by Adam