7304BW Angular Contact Ball Bearing Specifications
Bore d (mm)
20
Outer D (mm)
52
Width B (mm)
15
Dynamic rating Cr (kN)
19.1
Static rating Cor (kN)
9.65
Grease limit speed (r/min)
9000
Oil limit speed (r/min)
12000
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 7304BW?
RUIST 7304BW Angular Contact Ball Bearing: bore d = 20 mm, outer diameter D = 52 mm, width/height B = 15 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 7304BW carry?
Dynamic load rating Cr = 19.1 kN and static load rating Cor = 9.65 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 7304BW 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 7304BW replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 20 mm, OD 52 mm and width 15 mm match ISO dimensions, 7304BW is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.