BearingBrain
Parts Intelligence
Part page

NTN 61811

Deep groove ball · Open
Ø55Ø729
Bore
55 mm
Outside dia
72 mm
Width
9 mm
Dynamic C
8.8 kN
Static C0
6.8 kN
Speed grease
19,000 rpm
Speed oil
12,000 rpm
Clearance
CN (Normal)
Precision
ABEC-1 (P0)
Weight
0.12 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
61811KOYO (JTEKT)55×72×98.8 kN
61811INA (Schaeffler)55×72×98.8 kN
61811MinebeaMitsumi (NMB)55×72×98.8 kN
61811Nachi Fujikoshi55×72×98.8 kN
61811FAG (Schaeffler)55×72×98.8 kN
61811Timken55×72×98.8 kN
61811RBC Bearings55×72×98.8 kN
61811Peer Bearing55×72×98.8 kN