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NTN W 6303

Deep groove ball · Open
Ø17Ø4714
Bore
17 mm
Outside dia
47 mm
Width
14 mm
Dynamic C
11.7 kN
Static C0
6.5 kN
Speed grease
36,000 rpm
Speed oil
22,000 rpm
Clearance
CN (Normal)
Precision
ABEC-1 (P0)
Weight
0.166 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
W 6303KOYO (JTEKT)17×47×1411.7 kN
W 6303INA (Schaeffler)17×47×1411.7 kN
W 6303MinebeaMitsumi (NMB)17×47×1411.7 kN
W 6303Nachi Fujikoshi17×47×1411.7 kN
W 6303FAG (Schaeffler)17×47×1411.7 kN
W 6303Timken17×47×1411.7 kN
W 6303RBC Bearings17×47×1411.7 kN
W 6303Peer Bearing17×47×1411.7 kN