HR30321J Tapered Roller Bearing Specifications
Bore d (mm)
105
Outer D (mm)
225
Width B (mm)
53.5
Dynamic rating Cr (kN)
560
Static rating Cor (kN)
565
Grease limit speed (r/min)
1600
Oil limit speed (r/min)
2200
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST HR30321J?
RUIST HR30321J Tapered Roller Bearing: bore d = 105 mm, outer diameter D = 225 mm, width/height B = 53.5 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST HR30321J carry?
Dynamic load rating Cr = 560 kN and static load rating Cor = 565 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST HR30321J typically used?
Tapered Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST HR30321J replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 105 mm, OD 225 mm and width 53.5 mm match ISO dimensions, HR30321J is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.