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NTN 6903

Deep groove ball · Open
Ø17Ø307
Bore
17 mm
Outside dia
30 mm
Width
7 mm
Dynamic C
3.0 kN
Static C0
1.7 kN
Speed grease
22,000 rpm
Speed oil
28,000 rpm
Clearance
CN (Normal)
Precision
ABEC-1 (P0)
Weight
0.026 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 — 10 records

Part numberManufacturerBore×OD×WidthC
6903KOYO (JTEKT)17×30×73.0 kN
6903SKF17×30×73.1 kN
6903NSK17×30×73.1 kN
6903FAG (Schaeffler)17×30×73.2 kN
6903Timken17×30×73.1 kN
6903Peer Bearing17×30×73.1 kN
6903MinebeaMitsumi (NMB)17×30×74.6 kN
6903INA (Schaeffler)17×30×73.1 kN
6903Nachi Fujikoshi17×30×73.1 kN
6903RBC Bearings17×30×73.1 kN