99587/99101D Tapered Roller Bearing Specifications
Bore d (mm)
149.225
Outer D (mm)
254
Width B (mm)
114.3
Dynamic rating Cr (kN)
1060
Static rating Cor (kN)
276
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 99587/99101D?
RUIST 99587/99101D Tapered Roller Bearing: bore d = 149.225 mm, outer diameter D = 254 mm, width/height B = 114.3 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 99587/99101D carry?
Dynamic load rating Cr = 1060 kN and static load rating Cor = 276 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 99587/99101D 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 99587/99101D replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 149.225 mm, OD 254 mm and width 114.3 mm match ISO dimensions, 99587/99101D is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.