
SMC CD55B6340 (CD55B63-40) - Compact Air Cylinder, 63 mm bore, 40 mm stroke
SMC CD55B6340 Compact Air Cylinder — 63 mm bore, 40 mm stroke. SMC CD55B63-40 is a C55 series ISO 21287 standard compact air cylinder, double acting, single rod, with a 63 mm bore and 40 mm stroke. The 'B' mounting is through-hole/both-ends-tapped common with a female-thread rod end, and the 'D' prefix denotes auto-switch capability (built-in magnet). Cushioning is by rubber bumper. Auto switches can be mounted on any of the four sides of the cylinder tube, and snap-ring construction allows quick maintenance.
MPN: CD55B63-40 · SKU: CD55B6340
CD55B63-40 Applications
Chosen for machine-build applications needing a compact double-acting actuator with a moderate stroke. The ISO 21287 form factor fits confined spaces on assembly, packaging and material-handling equipment for clamping, ejecting, indexing and transfer motion. The 63 mm bore gives high force output while the 40 mm stroke covers common short-travel tasks, with four-side auto-switch mounting for reliable position feedback.
CD55B63-40 Specifications
| Brand | SMC | Manufacturer Part No. | CD55B63-40 |
| Series | C55 (ISO 21287) | Type | Compact Cylinder, Double Acting, Single Rod |
| Bore | 63 mm | Stroke | 40 mm |
| Mounting | Through-hole / both ends tapped (B) | Rod End | Female thread |
| Cushion | Rubber bumper | Auto Switch | Capable (built-in magnet, D) |
| Standard | ISO 21287 |
CD55B63-40 Datasheet & Manual
Download Datasheet & ManualSMC CD55B6340 · PDF · Official SMC documentTrusted by




