Product Description
The Welker UB4N050A010DER1B000 is a UB4 Series Gold Line Shot Pin — an industry-standard pneumatic locating and positioning device featuring an integrated anti-rotate ram with a 40mm square cross-section. This unit is configured with a 50mm stroke, RAP coupler, pneumatic double-acting single-rod NPT cylinder, large 4-hole ram, a Balluff PNP proximity switch (EE/ER option), and P2 port position. It is designed for use as a retractable locating pin, part stop, probe slide, wedge lock, or straight-acting clamp in automated manufacturing and welding environments, and is fully NAAMS compatible.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | Welker Engineered Products |
| Model / Part Number | UB4N050A010DER1B000 |
| Product Type | UB4 Gold Line Shot Pin (Pneumatic Cylinder) |
| Series | UB4 |
| Body Material | Aluminum Body, Steel Ram (N) |
| Stroke Length | 50mm (050) |
| Coupler Type | RAP Coupler — shortens nominal cylinder stroke by 2mm (A) |
| Actuator Type | Pneumatic — Single Rod — NPT Port (01) |
| Options | None (0) |
| Ram Style | Large 4-Hole (8mm Dowels / 11mm Holes) (D) |
| Ram Size | 40mm Square |
| Switch Option | ER — Balluff BES-Z02KR2-PSC20F-P100-S04-V, 3-Wire, 4-Pin, DC M12×1 (PNP), Extend & Retract |
| Switch Quantity | 1 Switch (1) |
| Port Position | P2 Port Position (B) |
| Shroud | No Shroud (000) |
| Pneumatic Bore | 40mm (Nominal) |
| Port Size | 1/4" NPT |
| Recommended Operating Pressure | 60–80 PSI (flow controls not required) |
| Push Force (Sq. In.) | 5.97 sq. in. |
| Pull Force (Sq. In.) | 3.49 sq. in. |
| Lubrication | No lubrication required |
| NAAMS Compatible | Yes |
| Approximate Weight (50mm stroke, steel ram, single rod) | ~18.5 lbs |
| Mounting Style | NAAMS Standard (6× M10×1.5 tapped holes, 2× 10mm dowels) |
| Applications | Retractable locating pin, part stop, probe slide, wedge lock, straight-acting clamp |
We warranty all items for 30 days from date of purchase.