61944X1M Deep Groove Ball Bearing Specifications
Bore d (mm)
220
Outer D (mm)
309.5
Width B (mm)
38
Dynamic rating Cr (kN)
148
Static rating Cor (kN)
176
Grease limit speed (r/min)
1900
Oil limit speed (r/min)
2400
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 61944X1M?
RUIST 61944X1M Deep Groove Ball Bearing: bore d = 220 mm, outer diameter D = 309.5 mm, width/height B = 38 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 61944X1M carry?
Dynamic load rating Cr = 148 kN and static load rating Cor = 176 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 61944X1M 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 61944X1M replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 220 mm, OD 309.5 mm and width 38 mm match ISO dimensions, 61944X1M is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.