Home Resource Center Tools and Calculators Toughmet Bushing Fit And Tolerancing Tool Toughmet Bushing Fit And Tolerancing Tool Select Units: Inch MM Select Housing Material: Aluminum Steel Cast Ductile Iron Enter Nominal Housing Bore Diameter: Enter Nominal Shaft Diameter (must be less than line 2): Enter Housing Wall Thickness (approximage in case of non-cylindrical housing): Enter Length of Bushing: Select Factor That Determines Maximium Interference: Refrigerated Shrink Fit ISO 286-2 IT Grades 6+7 LN2 Shrink Fit Default Data Calculate Minimum interference of housing and bushing: Tolerance of interference fit (sum of ISO 286-2 IT Grades 6 & 7): Bushing ID shrinkage factor due to interference: Maximum bushing ID shrinkage due to interference: Minimum running clearance (ISO 286-2 Shaft Deviation Limit f): Total tolerance for clearance (sum of ISO 286-2 IT Grades 7 & 8): Variation of bushing ID due to variation in interference fit: Tolerance available to machining: Actual machinig tolerance for running clearance: Actual variation in running clearance with revised tolerances: Minimum housing bore: Maximum housing bore: Minimum bushing OD: Maximum bushing OD: Minimum bushing ID as machined, and before fitting. (Subract 0.020" if boring after installation): Maximum bushing ID as machined and before fitting. (Subtract 0.020" if boring after installation): Maximum shaft OD: Minimum shaft OD: Minimum shaft OD if boring bushing ID after installation: Target minimum bushing ID (all cases): Target maximum bushing ID after installation: Target maximum bushing ID when boring bushing ID after installation: PRINT RESULTS