LM104949/LM104912 Tapered Roller Bearing Specifications
Bore d (mm)
50.8
Outer D (mm)
82.931
Width B (mm)
21.59
Dynamic rating Cr (kN)
75.2
Static rating Cor (kN)
104
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST LM104949/LM104912?
RUIST LM104949/LM104912 Tapered Roller Bearing: bore d = 50.8 mm, outer diameter D = 82.931 mm, width/height B = 21.59 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST LM104949/LM104912 carry?
Dynamic load rating Cr = 75.2 kN and static load rating Cor = 104 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST LM104949/LM104912 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 LM104949/LM104912 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 50.8 mm, OD 82.931 mm and width 21.59 mm match ISO dimensions, LM104949/LM104912 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.