30248 Tapered Roller Bearing Specifications
Bore d (mm)
240
Outer D (mm)
440
Width B (mm)
79
Dynamic rating Cr (kN)
1220
Static rating Cor (kN)
1400
Grease limit speed (r/min)
750
Oil limit speed (r/min)
1000
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 30248?
RUIST 30248 Tapered Roller Bearing: bore d = 240 mm, outer diameter D = 440 mm, width/height B = 79 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 30248 carry?
Dynamic load rating Cr = 1220 kN and static load rating Cor = 1400 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 30248 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 30248 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 240 mm, OD 440 mm and width 79 mm match ISO dimensions, 30248 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.