BearingBrain
Parts Intelligence
Part page

NTN W 638/3-2RS1

Deep groove ball · 2RS contact seal
Ø3Ø73
Bore
3 mm
Outside dia
7 mm
Width
3 mm
Dynamic C
0.2 kN
Static C0
0.1 kN
Speed grease
133,333 rpm
Speed oil
45,000 rpm
Clearance
CN (Normal)
Precision
ABEC-1 (P0)
Weight
0.001 kg
Evidence

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

Interchange family — 8 records

Part numberManufacturerBore×OD×WidthC
W 638/3-2RS1KOYO (JTEKT)3×7×30.2 kN
W 638/3-2RS1INA (Schaeffler)3×7×30.2 kN
W 638/3-2RS1MinebeaMitsumi (NMB)3×7×30.2 kN
W 638/3-2RS1Nachi Fujikoshi3×7×30.2 kN
W 638/3-2RS1FAG (Schaeffler)3×7×30.2 kN
W 638/3-2RS1Timken3×7×30.2 kN
W 638/3-2RS1RBC Bearings3×7×30.2 kN
W 638/3-2RS1Peer Bearing3×7×30.2 kN