850/834D Tapered Roller Bearing Specifications
Bore d (mm)
88.9
Outer D (mm)
171.45
Width B (mm)
0.012
Dynamic rating Cr (kN)
659
Static rating Cor (kN)
171
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 850/834D?
RUIST 850/834D Tapered Roller Bearing: bore d = 88.9 mm, outer diameter D = 171.45 mm, width/height B = 0.012 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 850/834D carry?
Dynamic load rating Cr = 659 kN and static load rating Cor = 171 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 850/834D 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 850/834D replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 88.9 mm, OD 171.45 mm and width 0.012 mm match ISO dimensions, 850/834D is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.