6411 Deep Groove Ball Bearing Specifications
Bore d (mm)
55
Outer D (mm)
140
Width B (mm)
33
Dynamic rating Cr (kN)
45.5
Static rating Cor (kN)
27.3
Grease limit speed (r/min)
4824
Oil limit speed (r/min)
6030
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 6411?
RUIST 6411 Deep Groove Ball Bearing: bore d = 55 mm, outer diameter D = 140 mm, width/height B = 33 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 6411 carry?
Dynamic load rating Cr = 45.5 kN and static load rating Cor = 27.3 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 6411 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 6411 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 55 mm, OD 140 mm and width 33 mm match ISO dimensions, 6411 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.