300BAR10S Angular Contact Ball Bearing Specifications
Bore d (mm)
300
Outer D (mm)
460
Width B (mm)
142.5
Dynamic rating Cr (kN)
310
Static rating Cor (kN)
1020
Grease limit speed (r/min)
1800
Oil limit speed (r/min)
2300
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 300BAR10S?
RUIST 300BAR10S Angular Contact Ball Bearing: bore d = 300 mm, outer diameter D = 460 mm, width/height B = 142.5 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 300BAR10S carry?
Dynamic load rating Cr = 310 kN and static load rating Cor = 1020 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 300BAR10S 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 300BAR10S replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 300 mm, OD 460 mm and width 142.5 mm match ISO dimensions, 300BAR10S is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.