BL221 Deep Groove Ball Bearing Specifications
Bore d (mm)
105
Outer D (mm)
190
Width B (mm)
36
Dynamic rating Cr (kN)
162
Static rating Cor (kN)
157
Grease limit speed (r/min)
3200
Oil limit speed (r/min)
3800
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST BL221?
RUIST BL221 Deep Groove Ball Bearing: bore d = 105 mm, outer diameter D = 190 mm, width/height B = 36 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST BL221 carry?
Dynamic load rating Cr = 162 kN and static load rating Cor = 157 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST BL221 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 BL221 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 105 mm, OD 190 mm and width 36 mm match ISO dimensions, BL221 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.