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NTN 1203

Self-aligning ball · Open
Ø17Ø4012
Bore
17 mm
Outside dia
40 mm
Width
12 mm
Dynamic C
7.4 kN
Static C0
2.2 kN
Speed grease
16,000 rpm
Speed oil
20,000 rpm
Clearance
CN (Normal)
Precision
P0
Weight
0.097 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
1203FAG (Schaeffler)17×40×127.7 kN
1203KOYO (JTEKT)17×40×127.3 kN
1203Timken17×40×127.5 kN
1203NSK17×40×127.5 kN
1203SKF17×40×127.6 kN
1203Nachi Fujikoshi17×40×127.6 kN
1203RBC Bearings17×40×127.6 kN
1203Peer Bearing17×40×127.6 kN
1203INA (Schaeffler)17×40×127.6 kN
1203MinebeaMitsumi (NMB)17×40×127.6 kN