QJ315 Angular Contact Ball Bearing Specifications
Bore d (mm)
75
Outer D (mm)
160
Width B (mm)
37
Dynamic rating Cr (kN)
206
Static rating Cor (kN)
320
Grease limit speed (r/min)
3400
Oil limit speed (r/min)
4800
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST QJ315?
RUIST QJ315 Angular Contact Ball Bearing: bore d = 75 mm, outer diameter D = 160 mm, width/height B = 37 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST QJ315 carry?
Dynamic load rating Cr = 206 kN and static load rating Cor = 320 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST QJ315 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 QJ315 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 75 mm, OD 160 mm and width 37 mm match ISO dimensions, QJ315 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.