45BNR19S Angular Contact Ball Bearing Specifications
Bore d (mm)
45
Outer D (mm)
68
Width B (mm)
12
Dynamic rating Cr (kN)
15.3
Static rating Cor (kN)
8.7
Grease limit speed (r/min)
24800
Oil limit speed (r/min)
35400
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 45BNR19S?
RUIST 45BNR19S Angular Contact Ball Bearing: bore d = 45 mm, outer diameter D = 68 mm, width/height B = 12 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 45BNR19S carry?
Dynamic load rating Cr = 15.3 kN and static load rating Cor = 8.7 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 45BNR19S 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 45BNR19S replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 45 mm, OD 68 mm and width 12 mm match ISO dimensions, 45BNR19S is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.