HM259049/HM259010 Tapered Roller Bearing Specifications
Bore d (mm)
317.5
Outer D (mm)
447.675
Width B (mm)
85.725
Dynamic rating Cr (kN)
1430
Static rating Cor (kN)
3140
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST HM259049/HM259010?
RUIST HM259049/HM259010 Tapered Roller Bearing: bore d = 317.5 mm, outer diameter D = 447.675 mm, width/height B = 85.725 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST HM259049/HM259010 carry?
Dynamic load rating Cr = 1430 kN and static load rating Cor = 3140 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST HM259049/HM259010 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 HM259049/HM259010 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 317.5 mm, OD 447.675 mm and width 85.725 mm match ISO dimensions, HM259049/HM259010 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.