K81211TN Thrust Roller Bearing Specifications
Bore d (mm)
55
Outer D (mm)
90
Width B (mm)
11
Dynamic rating Cr (kN)
122
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 K81211TN?
RAYSDE K81211TN Thrust Roller Bearing: bore d = 55 mm, outer diameter D = 90 mm, width/height B = 11 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE K81211TN carry?
Dynamic load rating Cr = 122 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 K81211TN typically used?
Thrust Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RAYSDE K81211TN replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 55 mm, OD 90 mm and width 11 mm match ISO dimensions, K81211TN is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.