55197/55444D Tapered Roller Bearing Specifications
Bore d (mm)
49.975
Outer D (mm)
112.712
Width B (mm)
46.038
Dynamic rating Cr (kN)
172
Static rating Cor (kN)
44.5
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 55197/55444D?
RUIST 55197/55444D Tapered Roller Bearing: bore d = 49.975 mm, outer diameter D = 112.712 mm, width/height B = 46.038 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 55197/55444D carry?
Dynamic load rating Cr = 172 kN and static load rating Cor = 44.5 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 55197/55444D 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 55197/55444D replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 49.975 mm, OD 112.712 mm and width 46.038 mm match ISO dimensions, 55197/55444D is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.