665/654D Tapered Roller Bearing Specifications
Bore d (mm)
85.725
Outer D (mm)
152.4
Width B (mm)
76.2
Dynamic rating Cr (kN)
398
Static rating Cor (kN)
103
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 665/654D?
RUIST 665/654D Tapered Roller Bearing: bore d = 85.725 mm, outer diameter D = 152.4 mm, width/height B = 76.2 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 665/654D carry?
Dynamic load rating Cr = 398 kN and static load rating Cor = 103 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 665/654D 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 665/654D replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 85.725 mm, OD 152.4 mm and width 76.2 mm match ISO dimensions, 665/654D is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.