HM252348/HM252311D Tapered Roller Bearing Specifications

Data source: ISO/DIN standard bearing catalog · Brand-neutral · RUIST + bearing type
Bore d (mm)
260.35
Outer D (mm)
422.275
Width B (mm)
128.588
Dynamic rating Cr (kN)
2230
Static rating Cor (kN)
578
Grease limit speed (r/min)
Oil limit speed (r/min)

Engineering Drawing

HM252348/HM252311D Tapered Roller Bearing engineering drawing

For CAD/DXF/PDF precision drawings, contact us.

Frequently Asked Questions / FAQ

What are the exact dimensions of RUIST HM252348/HM252311D?

RUIST HM252348/HM252311D Tapered Roller Bearing: bore d = 260.35 mm, outer diameter D = 422.275 mm, width/height B = 128.588 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.

What load ratings does RUIST HM252348/HM252311D carry?

Dynamic load rating Cr = 2230 kN and static load rating Cor = 578 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.

Where is RUIST HM252348/HM252311D 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 HM252348/HM252311D replace a SKF, FAG, NSK or TIMKEN unit?

Yes. Because bore 260.35 mm, OD 422.275 mm and width 128.588 mm match ISO dimensions, HM252348/HM252311D is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.

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