21307CDKE4 Spherical Roller Bearing Specifications
Bore d (mm)
35
Outer D (mm)
80
Width B (mm)
21
Dynamic rating Cr (kN)
71.5
Static rating Cor (kN)
76
Grease limit speed (r/min)
4000
Oil limit speed (r/min)
5300
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 21307CDKE4?
RUIST 21307CDKE4 Spherical Roller Bearing: bore d = 35 mm, outer diameter D = 80 mm, width/height B = 21 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 21307CDKE4 carry?
Dynamic load rating Cr = 71.5 kN and static load rating Cor = 76 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 21307CDKE4 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 21307CDKE4 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 35 mm, OD 80 mm and width 21 mm match ISO dimensions, 21307CDKE4 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.