377/372A Tapered Roller Bearing Specifications
Bore d (mm)
52.388
Outer D (mm)
96.838
Width B (mm)
22.225
Dynamic rating Cr (kN)
81.4
Static rating Cor (kN)
101
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 377/372A?
RUIST 377/372A Tapered Roller Bearing: bore d = 52.388 mm, outer diameter D = 96.838 mm, width/height B = 22.225 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 377/372A carry?
Dynamic load rating Cr = 81.4 kN and static load rating Cor = 101 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 377/372A 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 377/372A replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 52.388 mm, OD 96.838 mm and width 22.225 mm match ISO dimensions, 377/372A is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.