QJ234 Angular Contact Ball Bearing Specifications
Bore d (mm)
170
Outer D (mm)
310
Width B (mm)
52
Dynamic rating Cr (kN)
470
Static rating Cor (kN)
1180
Grease limit speed (r/min)
1600
Oil limit speed (r/min)
2200
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST QJ234?
RUIST QJ234 Angular Contact Ball Bearing: bore d = 170 mm, outer diameter D = 310 mm, width/height B = 52 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST QJ234 carry?
Dynamic load rating Cr = 470 kN and static load rating Cor = 1180 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST QJ234 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 QJ234 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 170 mm, OD 310 mm and width 52 mm match ISO dimensions, QJ234 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.