BL211 Deep Groove Ball Bearing Specifications
Bore d (mm)
55
Outer D (mm)
100
Width B (mm)
21
Dynamic rating Cr (kN)
53
Static rating Cor (kN)
44
Grease limit speed (r/min)
5300
Oil limit speed (r/min)
7500
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST BL211?
RUIST BL211 Deep Groove 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 BL211 carry?
Dynamic load rating Cr = 53 kN and static load rating Cor = 44 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST BL211 typically used?
Deep Groove Ball Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST BL211 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 55 mm, OD 100 mm and width 21 mm match ISO dimensions, BL211 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.