Bearing
Brain
Parts Intelligence
Part page
NTN 634
Deep groove ball · Open
Ø4
Ø16
5
Bore
4 mm
Outside dia
16 mm
Width
5 mm
Dynamic C
1.1 kN
Static C0
0.4 kN
Speed grease
95,000 rpm
Speed oil
60,000 rpm
Clearance
CN (Normal)
Precision
ABEC-1 (P0)
Weight
0.007 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 number
Manufacturer
Bore×OD×Width
C
634
KOYO (JTEKT)
4×16×5
1.1 kN
634
INA (Schaeffler)
4×16×5
1.1 kN
634
MinebeaMitsumi (NMB)
4×16×5
1.1 kN
634
Nachi Fujikoshi
4×16×5
1.1 kN
634
FAG (Schaeffler)
4×16×5
1.1 kN
634
Timken
4×16×5
1.1 kN
634
RBC Bearings
4×16×5
1.1 kN
634
Peer Bearing
4×16×5
1.1 kN