7021A Angular Contact Ball Bearing Specifications
Bore d (mm)
105
Outer D (mm)
160
Width B (mm)
26
Dynamic rating Cr (kN)
88
Static rating Cor (kN)
81.5
Grease limit speed (r/min)
4300
Oil limit speed (r/min)
5600
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 7021A?
RUIST 7021A Angular Contact Ball Bearing: bore d = 105 mm, outer diameter D = 160 mm, width/height B = 26 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 7021A carry?
Dynamic load rating Cr = 88 kN and static load rating Cor = 81.5 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 7021A 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 7021A replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 105 mm, OD 160 mm and width 26 mm match ISO dimensions, 7021A is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.