Nachi Fujikoshi

Bearing

4309 ATN9

Double row deep groove ball bearing

Nachi Fujikoshi 4309 ATN9

From ~$35.97at Zoro

Zoro·Amazon

Specifications

Bore (d)45.000 mm
Outer Diameter (D)100.000 mm
Width (B)36.000 mm
Seal TypeOpen
Bearing TypeDeep Groove
Dynamic Load (C)68.900 kN
Static Load (C₀)56.000 kN
Speed — Grease11,000 RPM
Speed — Oil6,000 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