25128MBKC4 Spherical Roller Bearing Specifications
Bore d (mm)
140
Outer D (mm)
260
Width B (mm)
86
Dynamic rating Cr (kN)
1288
Static rating Cor (kN)
663
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 25128MBKC4?
RUIST 25128MBKC4 Spherical Roller Bearing: bore d = 140 mm, outer diameter D = 260 mm, width/height B = 86 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 25128MBKC4 carry?
Dynamic load rating Cr = 1288 kN and static load rating Cor = 663 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 25128MBKC4 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 25128MBKC4 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 140 mm, OD 260 mm and width 86 mm match ISO dimensions, 25128MBKC4 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.