7040 Angular Contact Ball Bearing Specifications
Bore d (mm)
200
Outer D (mm)
310
Width B (mm)
51
Dynamic rating Cr (kN)
51.1
Static rating Cor (kN)
30.7
Grease limit speed (r/min)
3795
Oil limit speed (r/min)
4744
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 7040?
RUIST 7040 Angular Contact Ball Bearing: bore d = 200 mm, outer diameter D = 310 mm, width/height B = 51 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 7040 carry?
Dynamic load rating Cr = 51.1 kN and static load rating Cor = 30.7 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 7040 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 7040 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 200 mm, OD 310 mm and width 51 mm match ISO dimensions, 7040 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.