1680/1620 Tapered Roller Bearing Specifications
Bore d (mm)
33.338
Outer D (mm)
66.675
Width B (mm)
20.638
Dynamic rating Cr (kN)
48.6
Static rating Cor (kN)
57.9
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 1680/1620?
RUIST 1680/1620 Tapered Roller Bearing: bore d = 33.338 mm, outer diameter D = 66.675 mm, width/height B = 20.638 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 1680/1620 carry?
Dynamic load rating Cr = 48.6 kN and static load rating Cor = 57.9 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 1680/1620 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 1680/1620 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 33.338 mm, OD 66.675 mm and width 20.638 mm match ISO dimensions, 1680/1620 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.