7338A Angular Contact Ball Bearing Specifications
Bore d (mm)
190
Outer D (mm)
400
Width B (mm)
78
Dynamic rating Cr (kN)
495
Static rating Cor (kN)
600
Grease limit speed (r/min)
1400
Oil limit speed (r/min)
1900
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 7338A?
RUIST 7338A Angular Contact Ball Bearing: bore d = 190 mm, outer diameter D = 400 mm, width/height B = 78 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 7338A carry?
Dynamic load rating Cr = 495 kN and static load rating Cor = 600 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 7338A 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 7338A replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 190 mm, OD 400 mm and width 78 mm match ISO dimensions, 7338A is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.