HM256849/HM256810 Tapered Roller Bearing Specifications
Bore d (mm)
300.038
Outer D (mm)
422.275
Width B (mm)
82.55
Dynamic rating Cr (kN)
1270
Static rating Cor (kN)
2770
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST HM256849/HM256810?
RUIST HM256849/HM256810 Tapered Roller Bearing: bore d = 300.038 mm, outer diameter D = 422.275 mm, width/height B = 82.55 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST HM256849/HM256810 carry?
Dynamic load rating Cr = 1270 kN and static load rating Cor = 2770 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST HM256849/HM256810 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 HM256849/HM256810 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 300.038 mm, OD 422.275 mm and width 82.55 mm match ISO dimensions, HM256849/HM256810 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.