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NTN NA 6903

Needle · Open
Ø17Ø3023
Bore
17 mm
Outside dia
30 mm
Width
23 mm
Dynamic C
18.7 kN
Static C0
30.5 kN
Speed grease
18,000 rpm
Speed oil
20,000 rpm
Clearance
CN (Normal)
Precision
P0
Weight
0.087 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
NA 6903FAG (Schaeffler)17×30×2318.7 kN
NA 6903Timken17×30×2318.7 kN
NA 6903RBC Bearings17×30×2318.7 kN
NA 6903Peer Bearing17×30×2318.7 kN
NA 6903KOYO (JTEKT)17×30×2318.7 kN
NA 6903INA (Schaeffler)17×30×2318.7 kN
NA 6903MinebeaMitsumi (NMB)17×30×2318.7 kN
NA 6903Nachi Fujikoshi17×30×2318.7 kN