21309EJ Spherical Roller Bearing Specifications
Bore d (mm)
45
Outer D (mm)
100
Width B (mm)
25
Dynamic rating Cr (kN)
—
Static rating Cor (kN)
—
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 21309EJ?
RUIST 21309EJ Spherical Roller Bearing: bore d = 45 mm, outer diameter D = 100 mm, width/height B = 25 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 21309EJ carry?
Dynamic load rating Cr = — kN and static load rating Cor = — kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 21309EJ typically used?
Spherical Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 21309EJ replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 45 mm, OD 100 mm and width 25 mm match ISO dimensions, 21309EJ is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.