NAAMS Trunnion Components
Trunnions serve as pin or pivot supports for cylinders, and NAAMS trunnion components are standardized to streamline automation manufacturing and production. Adopting these standards helps lower setup and production costs while boosting operational efficiency. Our selection includes complete assemblies, blocks, bushings, and thrust washers. Explore all available parts below, or click the relevant NAAMS code to purchase the component you need.
For the full trunnion catalog, click on the link below.
NAAMS Trunnion Components Catalog
| Tolerances Unless Otherwise Specified |
||
|---|---|---|
| 0.0 | ± 0.3 | Place Machining |
| 0.00 | ± 0.08 | Between Machined Surfaces |
| ± 0.13 | To Screw Holes, Non-Accumulative | |
| ± 0.03 | Between Dowels in the Same Plane | |
| NAAMS Standards Trunnion Components |
||
|---|---|---|
| Cylinder Mounting Assemblies | ||
| NAAMS Code | Trunnion Block | Bearing |
| ACT101 | ACT140 | ACT121 |
| ACT102 | ACT140 | ACT122 |
| ACT103 | ACT140 | ACT123 |
| ACT104 | ACT140 | ACT124 |
| ACT105 | ACT140 | ACT125 |
| ACT106 | ACT140 | ACT126 |
| ACT107 | ACT140 | ACT127 |
| ACT108 | ACT140 | ACT128 |
| ACT111 | ACT141 | ACT131 |
| ACT112 | ACT141 | ACT132 |
| ACT113 | ACT141 | ACT133 |
| ACT114 | ACT141 | ACT134 |
| ACT115 | ACT141 | ACT135 |
| Trunnion Blocks | ||
| NAAMS Code | Dimensions | Thru Hole Dia. |
| ACT140 | 100 x 25 x 70mm | 28.0mm |
| ACT141 | 100 x 25 x 70mm | 41.0mm |
| ACT160 | 164 x 25mm | 28.0mm |
| Trunnion Bushings | ||
| NAAMS Code | I.D. (mm) | O.D. (mm) |
| ACT121 | 12 | 32 |
| ACT122 | 15 | 32 |
| ACT123 | 16 | 32 |
| ACT124 | 18 | 32 |
| ACT125 | 19.05 | 32 |
| ACT126 | 20 | 32 |
| ACT127 | 25 | 32 |
| ACT128 | 25.4 | 32 |
| ACT131 | 32 | 45 |
| ACT132 | 34.93 | 45 |
| ACT133 | 36 | 45 |
| ACT134 | 38.1 | 45 |
| ACT135 | 40 | 45 |
| Thrust Washers | ||
| NAAMS Code | I.D. (mm) | O.D. (mm) |
| ACT171 | 12 | 50.8 |
| ACT172 | 15 | 50.8 |
| ACT173 | 16 | 50.8 |
| ACT174 | 18 | 50.8 |
| ACT175 | 19.05 | 50.8 |
| ACT176 | 20 | 50.8 |
| ACT177 | 25 | 50.8 |
| ACT178 | 15.4 | 50.8 |
| ACT181 | 32 | 63.5 |
| ACT182 | 34.93 | 63.5 |
| ACT183 | 36 | 63.5 |
| ACT184 | 38.1 | 63.5 |
| ACT185 | 40 | 63.5 |
