21310K Spherical Roller Bearing Specifications
Bore d (mm)
50
Outer D (mm)
110
Width B (mm)
27
Dynamic rating Cr (kN)
—
Static rating Cor (kN)
—
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 21310K?
RUIST 21310K Spherical Roller Bearing: bore d = 50 mm, outer diameter D = 110 mm, width/height B = 27 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 21310K carry?
Dynamic load rating Cr = — kN and static load rating Cor = — kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 21310K typically used?
Spherical Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 21310K replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 50 mm, OD 110 mm and width 27 mm match ISO dimensions, 21310K is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.