4938X3DM Bearing Specifications
Bore d (mm)
190
Outer D (mm)
269.5
Width B (mm)
66
Dynamic rating Cr (kN)
220
Static rating Cor (kN)
324
Grease limit speed (r/min)
1350
Oil limit speed (r/min)
1700
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 4938X3DM?
RUIST 4938X3DM Bearing: bore d = 190 mm, outer diameter D = 269.5 mm, width/height B = 66 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 4938X3DM carry?
Dynamic load rating Cr = 220 kN and static load rating Cor = 324 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 4938X3DM typically used?
Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 4938X3DM replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 190 mm, OD 269.5 mm and width 66 mm match ISO dimensions, 4938X3DM is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.