7021ADT Angular Contact Ball Bearing Specifications
Bore d (mm)
105
Outer D (mm)
160
Width B (mm)
52
Dynamic rating Cr (kN)
143
Static rating Cor (kN)
163
Grease limit speed (r/min)
3400
Oil limit speed (r/min)
4500
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 7021ADT?
RUIST 7021ADT Angular Contact Ball Bearing: bore d = 105 mm, outer diameter D = 160 mm, width/height B = 52 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 7021ADT carry?
Dynamic load rating Cr = 143 kN and static load rating Cor = 163 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 7021ADT typically used?
Angular Contact Ball Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 7021ADT replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 105 mm, OD 160 mm and width 52 mm match ISO dimensions, 7021ADT is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.