27881/27820D Tapered Roller Bearing Specifications
Bore d (mm)
38.1
Outer D (mm)
80.035
Width B (mm)
44.958
Dynamic rating Cr (kN)
26
Static rating Cor (kN)
32.6
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 27881/27820D?
RUIST 27881/27820D Tapered Roller Bearing: bore d = 38.1 mm, outer diameter D = 80.035 mm, width/height B = 44.958 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 27881/27820D carry?
Dynamic load rating Cr = 26 kN and static load rating Cor = 32.6 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 27881/27820D 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 27881/27820D replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 38.1 mm, OD 80.035 mm and width 44.958 mm match ISO dimensions, 27881/27820D is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.