- The JB series floating joint was designed for compact cylinders. JB series is compact and is suitable for high tensile stresses. Long life is established with a dustproof cover and the rotation angle is ±5°.
Series image. Appearance may vary by model and options.JB
JB, Floating Joint for Compact Cylinders
Explore the features, model options and technical documentation for JB. Contact Pnoneks to select the full part number for your application.
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Selecting JB
Selecting JB: review the full part number and your system conditions when considering this Pneumatic actuators record. Share Applicable Bore Size, Nominal Thread, Option, the required quantity and your application notes with Pnoneks. Final compatibility and lead time are confirmed during quotation.
The essentials for selection.
- Manufacturer
- SMC
- Series
- JB
- Product group
- Pneumatic actuators
- Function
- Actuator Accessories
- Applications
- Suitability is evaluated against technical specifications and application conditions.
- Selection parameters
- Applicable Bore Size, Nominal Thread, Option
Exact dimensions, operating ranges and compatibility depend on the full part number. Review the relevant SMC documentation and application conditions for technical selection.
Features and model options
Technical descriptions and values below are preserved in the manufacturer’s original language. Options describe alternatives within the series; not every combination is valid. We will verify the full part number when quoting.
| Parameter | Options / values |
|---|---|
| Applicable Bore Size | 12 (12 mm) · 16 (16 mm) · 20 (20 mm) · 25 (25 mm) · 40 (32/40 mm; MGZ: 20/25 mm) · 63 (50/63 mm; MGZ: 32 mm) · 80 (80 mm; MGZ: 40 mm) · 100 (100 mm; MGZ: 50/63 mm) · 140 (125/140 mm: MGZ: 80 mm) · 160 (160 mm) |
| Nominal Thread | 3-050 (M3 x 0.5) · 4-070 (M4 x 0.7) · 5-080 (M5 x 0.8) · 6-100 (M6 x 1) · 8-125 (M8 x 1.25) · 10-150 (M10 x 1.5) · 16-200 (M16 x 2) · 20-250 (M20 x 2.5) · 22-250 (M22 x 2.5) · 24-300 (M24 x 3) |
| Option | None · X11 [High Temperature (-5 to 100°C)] |



