27689/27620 Tapered Roller Bearing Specifications
Bore d (mm)
83.345
Outer D (mm)
125.412
Width B (mm)
25.4
Dynamic rating Cr (kN)
109
Static rating Cor (kN)
178
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 27689/27620?
RUIST 27689/27620 Tapered Roller Bearing: bore d = 83.345 mm, outer diameter D = 125.412 mm, width/height B = 25.4 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 27689/27620 carry?
Dynamic load rating Cr = 109 kN and static load rating Cor = 178 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 27689/27620 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 27689/27620 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 83.345 mm, OD 125.412 mm and width 25.4 mm match ISO dimensions, 27689/27620 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.