17886/17830 Tapered Roller Bearing Specifications
Bore d (mm)
42.987
Outer D (mm)
79.375
Width B (mm)
20.638
Dynamic rating Cr (kN)
63.8
Static rating Cor (kN)
83.3
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 17886/17830?
RUIST 17886/17830 Tapered Roller Bearing: bore d = 42.987 mm, outer diameter D = 79.375 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 17886/17830 carry?
Dynamic load rating Cr = 63.8 kN and static load rating Cor = 83.3 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 17886/17830 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 17886/17830 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 42.987 mm, OD 79.375 mm and width 20.638 mm match ISO dimensions, 17886/17830 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.