33889/33821 Tapered Roller Bearing Specifications
Bore d (mm)
50.8
Outer D (mm)
95.25
Width B (mm)
27.783
Dynamic rating Cr (kN)
120
Static rating Cor (kN)
161
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 33889/33821?
RUIST 33889/33821 Tapered Roller Bearing: bore d = 50.8 mm, outer diameter D = 95.25 mm, width/height B = 27.783 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 33889/33821 carry?
Dynamic load rating Cr = 120 kN and static load rating Cor = 161 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 33889/33821 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 33889/33821 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 50.8 mm, OD 95.25 mm and width 27.783 mm match ISO dimensions, 33889/33821 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.