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NTN 306-Z

Deep groove ball · 2Z shield
Ø30Ø7219
Bore
30 mm
Outside dia
72 mm
Width
19 mm
Dynamic C
29.7 kN
Static C0
21.6 kN
Speed grease
18,000 rpm
Speed oil
11,000 rpm
Clearance
CN (Normal)
Precision
ABEC-1 (P0)
Weight
0.502 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
306-ZKOYO (JTEKT)30×72×1929.7 kN
306-ZINA (Schaeffler)30×72×1929.7 kN
306-ZMinebeaMitsumi (NMB)30×72×1929.7 kN
306-ZNachi Fujikoshi30×72×1929.7 kN
306-ZFAG (Schaeffler)30×72×1929.7 kN
306-ZTimken30×72×1929.7 kN
306-ZRBC Bearings30×72×1929.7 kN
306-ZPeer Bearing30×72×1929.7 kN