30309X2B Tapered Roller Bearing Specifications
Bore d (mm)
45
Outer D (mm)
100
Width B (mm)
32
Dynamic rating Cr (kN)
99
Static rating Cor (kN)
107
Grease limit speed (r/min)
4000
Oil limit speed (r/min)
5300
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 30309X2B?
RUIST 30309X2B Tapered Roller Bearing: bore d = 45 mm, outer diameter D = 100 mm, width/height B = 32 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 30309X2B carry?
Dynamic load rating Cr = 99 kN and static load rating Cor = 107 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 30309X2B 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 30309X2B replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 45 mm, OD 100 mm and width 32 mm match ISO dimensions, 30309X2B is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.