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O-Ring Groove & Gland Calculator

Calculate O-ring groove dimensions (depth, width, corner radius), crush percentage, gland fill, and backup ring requirements. Based on Parker O-Ring Handbook recommendations (AS568 / ISO 3601).

Input Parameters

Temp Range: -40°C to +120°C
Media Compatibility: Oil, fuel, hydraulic

O-Ring Dimensions
Inner Diameter (ID)50.00 mm
Wire Diameter (W)3.53 mm
Outer Diameter (OD)57.06 mm
Mean Diameter53.53 mm
Groove / Gland Dimensions
Groove Depth (Gd)2.736 mm(nominal)
Groove Width (Gw)5.295 mm(min. for single O-ring)
Corner Radius (R)0.353 mm
Crush Range15% – 30%
Gland Fill67.6%(target: 80–90%)
Reference: Parker O-Ring Handbook ORD 5700 / AS568B. Groove surface finish: Ra ≤ 0.8 µm for dynamic, ≤ 1.6 µm for static. Lead-in chamfer: 15–30° recommended.