554/552A Tapered Roller Bearing Specifications
Bore d (mm)
61.912
Outer D (mm)
123.825
Width B (mm)
38.1
Dynamic rating Cr (kN)
177
Static rating Cor (kN)
248
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 554/552A?
RUIST 554/552A Tapered Roller Bearing: bore d = 61.912 mm, outer diameter D = 123.825 mm, width/height B = 38.1 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 554/552A carry?
Dynamic load rating Cr = 177 kN and static load rating Cor = 248 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 554/552A typically used?
Tapered Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 554/552A replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 61.912 mm, OD 123.825 mm and width 38.1 mm match ISO dimensions, 554/552A is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.