81120TN Thrust Ball Bearing Specifications
Bore d (mm)
100
Outer D (mm)
135
Width B (mm)
25
Dynamic rating Cr (kN)
156
Static rating Cor (kN)
—
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RAYSDE 81120TN?
RAYSDE 81120TN Thrust Ball Bearing: bore d = 100 mm, outer diameter D = 135 mm, width/height B = 25 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE 81120TN carry?
Dynamic load rating Cr = 156 kN and static load rating Cor = — kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RAYSDE 81120TN typically used?
Thrust Ball Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RAYSDE 81120TN replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 100 mm, OD 135 mm and width 25 mm match ISO dimensions, 81120TN is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.