71972B Angular Contact Ball Bearing Specifications
Bore d (mm)
360
Outer D (mm)
480
Width B (mm)
56
Dynamic rating Cr (kN)
290
Static rating Cor (kN)
540
Grease limit speed (r/min)
850
Oil limit speed (r/min)
1000
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 71972B?
RUIST 71972B Angular Contact Ball Bearing: bore d = 360 mm, outer diameter D = 480 mm, width/height B = 56 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 71972B carry?
Dynamic load rating Cr = 290 kN and static load rating Cor = 540 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 71972B 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 71972B replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 360 mm, OD 480 mm and width 56 mm match ISO dimensions, 71972B is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.