Pivots & Shafts
The shape and type of precision pivots used is determined by the operating conditions, the type of jewel bearing, and other design factors involved in suspending the moving element in the system. Cylindrical precision pivots can be supported by any of the ring jewel designs and combinations. End thrust may be taken by having a shoulder on the pivot ride on the polished face of the ring jewel bearing or by using an endstone bearing to take the thrust from precision pivots with rounded ends. Pivot Design Aids
Precision Shafts & Pivots Images
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| Model | Diameter | Length | Radius | Angle | Material | Type |
|---|---|---|---|---|---|---|
| N-1D | .0156/.0160 | 485/.495" | .00098/.0012" | 50° | Nivapoint | Double End Pivot |
| ST-1D | .0397/.0403" | .155/.165" | .00069/.00089" | 70° | Stainless Steel | Double End Pivot |
| ST-2D | .0397/.0403" | .365/.375" | .00069/.00089" | 50° | Stainless Steel | Double End Pivot |
| ST-3D | .0397/.0403" | .646/.666" | .00069/.00089" | 50° | Stainless Steel | Double End Pivot |
| N-2S | .0227/.0230" | .065/.085" | .00075/.00080" | 47° | Nivapoint | Single End Pivot |
| N-3S | .0195/.0205" | .123/.127" | .0008/.0012" | 45/55° | Nivapoint | Single End Pivot |
| N-6S | .0197/.0200" | .120/.130" | .0009/.0011" | 53/57° | Nivapoint | Single End Pivot |
| N-7D | .075/.081" | 1.050" | .0009/.0011" | 53/57° | Nivapoint | Double End Pivot |
| N-7D | .050/.053" | 1.050" | .0009/.0011" | 53/57° | Nivapoint | Double End Pivot |
| ST-4D | .0657/.0660" | .661/.681" | .0010/.0012" | 60° | Stainless Steel | Double End Pivot |
| ST-5S | .040/.041" | .135/.145" | .0010/.00125" | 47° | Stainless Steel | Single End Pivot |
| N-5AS | .0195/.0197" | .120/.130" | .0016/.0020" | 40° | Nivapoint | Single End Pivot |
| N-8S | .0320/.0325" | .118/.124" | .001/.002" | 50° | Nivapoint | Single End Pivot |
| ST-6S | .027/.033" | .122/.127" | .002/.003" | 45/55° | Stainless Steel | Single End Pivot |
| ST-7D | .0496/.0501" | .395/.405" | .002/.004" | 52/54° | Stainless Steel | Double End Pivot |
| ST-8D | .0657/.0660" | .661/.681" | .00275/.00325" | 50° | Stainless Steel | Double End Pivot |
| N-9S | .0405/.0407" | .190/.210" | .003/.004" | 48/52° | Nivapoint | Single End Pivot |
| ST-9S | .085/.090 Major - .055/.065 Minor | .245/.255" | .008/.012" | 40/45° | Stainless Steel | Single End Pivot |
| ST-10S | .0453/.0457 Major - 0260/.0262 Minor | .7187" | .015/.025" | .015/.025" | Stainless Steel | Single End Pivot |
| ST-11D | .0308/.0311" | .310/.330" | .016/.025" | .015/.025" | Stainless Steel | Double End Pivot |
| ST-12S | .0260/.0262" | .220/.226" | .015/.025" | N/A | Stainless Steel | Single End Pivot |
| ST-13S | .1242/.1247" | .370/.385" | .016/.025" | .015/.025" | Stainless Steel | Single End Pivot |
| ST-15S | .0497/.0498" | .372/.378" | .065/085" | .075" | Stainless Steel | Single End Pivot |
