6344 Deep Groove Ball Bearing Specifications
Bore d (mm)
220
Outer D (mm)
460
Width B (mm)
88
Dynamic rating Cr (kN)
450
Static rating Cor (kN)
520
Grease limit speed (r/min)
1200
Oil limit speed (r/min)
1500
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 6344?
RUIST 6344 Deep Groove Ball Bearing: bore d = 220 mm, outer diameter D = 460 mm, width/height B = 88 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 6344 carry?
Dynamic load rating Cr = 450 kN and static load rating Cor = 520 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 6344 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 6344 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 220 mm, OD 460 mm and width 88 mm match ISO dimensions, 6344 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.