7211BW Angular Contact Ball Bearing Specifications
Bore d (mm)
55
Outer D (mm)
100
Width B (mm)
21
Dynamic rating Cr (kN)
51
Static rating Cor (kN)
36
Grease limit speed (r/min)
4000
Oil limit speed (r/min)
5600
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 7211BW?
RUIST 7211BW Angular Contact Ball Bearing: bore d = 55 mm, outer diameter D = 100 mm, width/height B = 21 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 7211BW carry?
Dynamic load rating Cr = 51 kN and static load rating Cor = 36 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 7211BW 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 7211BW replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 55 mm, OD 100 mm and width 21 mm match ISO dimensions, 7211BW is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.