HR30204J Tapered Roller Bearing Specifications
Bore d (mm)
20
Outer D (mm)
47
Width B (mm)
15.25
Dynamic rating Cr (kN)
34.5
Static rating Cor (kN)
28.5
Grease limit speed (r/min)
8000
Oil limit speed (r/min)
11000
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST HR30204J?
RUIST HR30204J Tapered Roller Bearing: bore d = 20 mm, outer diameter D = 47 mm, width/height B = 15.25 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST HR30204J carry?
Dynamic load rating Cr = 34.5 kN and static load rating Cor = 28.5 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST HR30204J 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 HR30204J replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 20 mm, OD 47 mm and width 15.25 mm match ISO dimensions, HR30204J is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.