
SMC CJ2B1630SRZ (CJ2B16-30SRZ) - Mini Air Cylinder, 16mm Bore, 30mm Stroke
SMC CJ2B1630SRZ Mini Air Cylinder — 16mm bore, 30mm stroke, SINGLE ACTING SPRING RETURN (S) with AXIAL head cover port (R), basic (B) mounting. Differs from CJ2B16-30SZ only in head cover port location: R = axial, versus perpendicular to axis on the SZ. Both differ from CJ2B16-30Z, which is double acting. CJ2 without leading D means WITHOUT built-in magnet - not auto-switch capable. SMC CJ2B16-30SRZ is a CJ2-Z series mini air cylinder with a 16 mm bore and 30 mm standard stroke. The suffix decodes as two separate options confirmed on the SMC decoder: S = single acting, spring return, and R = head cover port location axial (in line with the cylinder axis) rather than the standard perpendicular-to-axis port. Mounting style B is basic (through) mounting. The CJ2 prefix (no leading D) confirms the cylinder is supplied WITHOUT a built-in magnet and cannot accept auto switches; the CDJ2-Z equivalent is required for magnetic sensing. Standard, not made-to-order.
MPN: CJ2B16-30SRZ · SKU: CJ2B1630SRZ
CJ2B16-30SRZ Applications
Selected where a spring-return mini cylinder must be plumbed from the rear along the cylinder axis, because the axial head cover port keeps tubing clear of the sides in narrow channels, guarded slots and densely packed manifold layouts. The spring return provides fail-safe retraction on loss of air, suiting clamps, stops and ejectors. No built-in magnet is fitted, so end-position confirmation requires external limit switches rather than auto switches.
CJ2B16-30SRZ Specifications
| Brand | SMC | Manufacturer Part No. | CJ2B16-30SRZ |
| Series | CJ2-Z | Bore | 16 mm |
| Stroke | 30 mm | Action | S - Single Acting, Spring Return |
| Head Cover Port Location | R - Axial | Mounting Style | B - Basic |
| Built-in Magnet | Without Built-in Magnet (not auto-switch capable) | Auto Switch | Without Auto Switch |
| Rod End Bracket | None | Pivot Bracket | None |
| Made To Order | Standard |
CJ2B16-30SRZ Datasheet & Manual
Download Datasheet & ManualSMC CJ2B1630SRZ · PDF · Official SMC documentTrusted by




