Bearing
Brain
Parts Intelligence
Part page
IKO (Nippon Thompson) RNA4920
Needle · Open
Ø115
Ø140
40
Bore
115 mm
Outside dia
140 mm
Width
40 mm
Dynamic C
—
Static C0
—
Speed grease
4,348 rpm
Speed oil
5,826 rpm
Clearance
CN (Normal)
Precision
P0
Weight
1.572 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 — 0 records
Part number
Manufacturer
Bore×OD×Width
C
No interchange records.