55BNR10X Angular Contact Ball Bearing Specifications
Bore d (mm)
55
Outer D (mm)
90
Width B (mm)
18
Dynamic rating Cr (kN)
30
Static rating Cor (kN)
12
Grease limit speed (r/min)
29000
Oil limit speed (r/min)
45600
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 55BNR10X?
RUIST 55BNR10X Angular Contact Ball Bearing: bore d = 55 mm, outer diameter D = 90 mm, width/height B = 18 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 55BNR10X carry?
Dynamic load rating Cr = 30 kN and static load rating Cor = 12 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 55BNR10X 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 55BNR10X replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 55 mm, OD 90 mm and width 18 mm match ISO dimensions, 55BNR10X is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.