55TAC03D Angular Contact Ball Bearing Specifications
Bore d (mm)
55
Outer D (mm)
120
Width B (mm)
29
Dynamic rating Cr (kN)
228
Static rating Cor (kN)
228
Grease limit speed (r/min)
3400
Oil limit speed (r/min)
4300
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 55TAC03D?
RUIST 55TAC03D Angular Contact Ball Bearing: bore d = 55 mm, outer diameter D = 120 mm, width/height B = 29 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 55TAC03D carry?
Dynamic load rating Cr = 228 kN and static load rating Cor = 228 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 55TAC03D typically used?
Angular Contact Ball Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 55TAC03D replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 55 mm, OD 120 mm and width 29 mm match ISO dimensions, 55TAC03D is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.