7940C Angular Contact Ball Bearing Specifications
Bore d (mm)
200
Outer D (mm)
280
Width B (mm)
38
Dynamic rating Cr (kN)
238
Static rating Cor (kN)
244
Grease limit speed (r/min)
4400
Oil limit speed (r/min)
6900
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 7940C?
RUIST 7940C Angular Contact Ball Bearing: bore d = 200 mm, outer diameter D = 280 mm, width/height B = 38 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 7940C carry?
Dynamic load rating Cr = 238 kN and static load rating Cor = 244 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 7940C 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 7940C replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 200 mm, OD 280 mm and width 38 mm match ISO dimensions, 7940C is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.