// multi-utility computation suite · offline · instant · precise
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eng.magnetic-bearing-load Calculator
Calculates radial and axial magnetic bearing load capacity from coil turns, current, and air gap geometry. Magnetic bearings support rotor loads without contact — they're used in high-speed turbomachinery and vacuum pumps where lubrication is impossible.
Inputs
Magnet Area M2
Two-dimensional surface extent (m²). For complex shapes, break into simpler sub-shapes and sum.
Flux Density T
Mass per unit volume (kg/m³). Water: 1,000. Air: 1.225. Steel: 7,850. Affects buoyancy, flow, and structural loads.
Air Gap Mm
Reference formula or conversion factor shown for context.
Results
magnetic force (N)
Sample size or count used in the calculation.
magnetic force (kN)
Sample size or count used in the calculation.
negative stiffness (N/m)
The value at the specified point or condition.
F = B²A/(2μ₀)
Reference formula or conversion factor shown for context.
note
Supplementary information explaining an assumption, caveat, or important context for interpreting the result.
load capacity (kg)
Reference formula or conversion factor shown for context.