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NTN NA 4903

Needle · Open
Ø17Ø3013
Bore
17 mm
Outside dia
30 mm
Width
13 mm
Dynamic C
11.4 kN
Static C0
16.3 kN
Speed grease
18,000 rpm
Speed oil
20,000 rpm
Clearance
CN (Normal)
Precision
P0
Weight
0.049 kg
Evidence

catalog-search · eligible · eval ship · deterministic executor · partsbrain pull 2026-09-08

Interchange family — 8 records

Part numberManufacturerBore×OD×WidthC
NA 4903KOYO (JTEKT)17×30×1311.4 kN
NA 4903INA (Schaeffler)17×30×1311.4 kN
NA 4903MinebeaMitsumi (NMB)17×30×1311.4 kN
NA 4903Nachi Fujikoshi17×30×1311.4 kN
NA 4903FAG (Schaeffler)17×30×1311.4 kN
NA 4903Timken17×30×1311.4 kN
NA 4903RBC Bearings17×30×1311.4 kN
NA 4903Peer Bearing17×30×1311.4 kN