ISO 281 Suite

Bearing Analytics & Life Prediction

Bearing Selection

Operational Loads

Radial Load (Fr)kN

Axial Load (Fa)kN

Speed & Environment

Operating RPMRPM

Reliability

Operating Viscosity (ν)mm²/s

deep groove ball

SKF 6204

d (Bore)20mm

D (Outer)47mm

B (Width)14mm

Dynamic (C)13.5 kN

Static (C0)6.55 kN

Rating Life L10h

1750Hours

At 1500 RPM

Equivalent Load P

2.50kN

Dynamic Equiv.

Safety Factor s0

2.62Safety

Static P0 Check

Life sensitivity Analysis

L10h expectation vs. Radial Load variability

L10h Target

System Status: critical

Reliability & Lube (κ)

Adjusted life Lnm = 2204h calculated for 90% reliability and κ = 1.78. Lubrication film is adequate.

ISO 281:2007 Compliance

Basic rating life equation used with exponent p=3.0. Standard safety margin enforced for high-speed industrial apps.