3880/33821D Tapered Roller Bearing Specifications
Bore d (mm)
38.1
Outer D (mm)
95.25
Width B (mm)
52.385
Dynamic rating Cr (kN)
209
Static rating Cor (kN)
54.2
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 3880/33821D?
RUIST 3880/33821D Tapered Roller Bearing: bore d = 38.1 mm, outer diameter D = 95.25 mm, width/height B = 52.385 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 3880/33821D carry?
Dynamic load rating Cr = 209 kN and static load rating Cor = 54.2 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 3880/33821D 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 3880/33821D replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 38.1 mm, OD 95.25 mm and width 52.385 mm match ISO dimensions, 3880/33821D is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.