Pivot pins are precision cylindrical fasteners that enable rotational movement in bucket linkage systems like Z-Bar or Parallel Linkage mechanisms.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Length | 100-400 mm | |
| Diameter | 25-100 mm | |
| Hardness | 55-60 HRC | |
| Tolerance | h7/g6 fit | |
| Load Capacity | 50-500 kN shear | |
| Surface Finish | Ra 0.4-0.8 μm |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
A practical evidence checklist for RFQ preparation and supplier evaluation.
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Pivot pins are designed specifically for rotational movement with precise tolerances and hardened surfaces, while bolts are primarily for clamping. Pins have tighter diameter tolerances (h7/g6) and superior surface finishes to reduce wear during rotation.
Visual inspection every 250 operating hours, with dimensional checks every 1000 hours. Replacement is typically needed when wear exceeds 0.5% of nominal diameter or when surface scoring is visible.
Minor surface wear can sometimes be addressed through re-grinding and re-plating, but replacement is recommended when wear exceeds tolerance limits or if there's evidence of micro-cracking.
Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.