
SMC CJ2B1645Z (CJ2B16-45Z) - Mini Air Cylinder, 16mm Bore, 45mm Stroke
SMC CJ2B1645Z Mini Air Cylinder — 16mm bore, 45mm stroke, double acting single rod, basic (B) mounting, rubber cushion, head cover port perpendicular to axis. CJ2 without leading D means WITHOUT built-in magnet - not auto-switch capable. SMC CJ2B16-45Z is a CJ2-Z series mini air cylinder with a 16 mm bore and 45 mm standard stroke. With no action suffix it is a double acting, single rod cylinder. Mounting style B is basic (through) mounting, with rubber cushion and the head cover port perpendicular to the axis. The CJ2 prefix (no leading D) confirms the cylinder is supplied WITHOUT a built-in magnet, so it cannot be used with auto switches; the CDJ2-Z equivalent is required for magnetic position sensing. Standard, not made-to-order.
MPN: CJ2B16-45Z · SKU: CJ2B1645Z
CJ2B16-45Z Applications
A mid-stroke double acting mini cylinder for transfer, pushing, lifting and positioning tasks where 45 mm of powered travel is needed in both directions from a compact round body. Common on assembly cells, packaging machines and small conveyors for diverters and stop gates. Because no magnet is built in, position feedback must be provided by external limit switches rather than auto switches, keeping the actuator simple and cost-effective for open-loop control.
CJ2B16-45Z Specifications
| Brand | SMC | Manufacturer Part No. | CJ2B16-45Z |
| Series | CJ2-Z | Bore | 16 mm |
| Stroke | 45 mm | Action | Double Acting, Single Rod |
| Mounting Style | B - Basic | Built-in Magnet | Without Built-in Magnet (not auto-switch capable) |
| Auto Switch | Without Auto Switch | Cushion | Rubber Cushion |
| Head Cover Port Location | Perpendicular To Axis | Rod End Bracket | None |
| Pivot Bracket | None | Made To Order | Standard |
CJ2B16-45Z Datasheet & Manual
Download Datasheet & ManualSMC CJ2B1645Z · PDF · Official SMC documentTrusted by




