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NTN 3304 ATN9

Angular · Open
Ø20Ø5222
Bore
20 mm
Outside dia
52 mm
Width
22.20 mm
Dynamic C
24.5 kN
Static C0
15.6 kN
Speed grease
13,000 rpm
Speed oil
13,000 rpm
Clearance
CN (Normal)
Precision
ABEC-1 (P0)
Weight
0.315 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
3304 ATN9FAG (Schaeffler)20×52×22.224.5 kN
3304 ATN9Timken20×52×22.224.5 kN
3304 ATN9RBC Bearings20×52×22.224.5 kN
3304 ATN9Peer Bearing20×52×22.224.5 kN
3304 ATN9KOYO (JTEKT)20×52×22.224.5 kN
3304 ATN9INA (Schaeffler)20×52×22.224.5 kN
3304 ATN9MinebeaMitsumi (NMB)20×52×22.224.5 kN
3304 ATN9Nachi Fujikoshi20×52×22.224.5 kN