QJ317 Angular Contact Ball Bearing Specifications
Bore d (mm)
85
Outer D (mm)
180
Width B (mm)
41
Dynamic rating Cr (kN)
240
Static rating Cor (kN)
405
Grease limit speed (r/min)
3000
Oil limit speed (r/min)
4000
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST QJ317?
RUIST QJ317 Angular Contact Ball Bearing: bore d = 85 mm, outer diameter D = 180 mm, width/height B = 41 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST QJ317 carry?
Dynamic load rating Cr = 240 kN and static load rating Cor = 405 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST QJ317 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 QJ317 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 85 mm, OD 180 mm and width 41 mm match ISO dimensions, QJ317 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.