• SMC JB Floating Joint (For Compact Cylinders, Female Thread)
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SMC JB Floating Joint (For Compact Cylinders, Female Thread)

SMC JB Floating Joint (For Compact Cylinders, Female Thread)

SMC JB series floating joint dedicated to compact (thin) cylinders, ø12 to ø160, with female-thread connection to the cylinder rod.

Key features

  • Designed for compact cylinders with female-thread rod ends
  • Rod threads M3x0.5 to M24x3
  • Max. compressive force up to 71,000 N; tensile force up to 20,000 N
  • Swing angle ±5°, allowable eccentricity 0.5 to 3 mm
  • High-temperature version -5 to 100°C available as suffix -X11

Specifications

Operating pressure Air compact cylinder 1 MPa or less
Swing angle ±5°
Operating temperature -5 to 60°C
Mounting Female thread (cylinder side)
Material Free-cutting steel / brass / stainless steel, electroless nickel plated
Source SMC Korea catalog CAT.KS20-248A (SMCKR_JT_JC_JA_JAH_JB_JS.pdf), p. 1154-1155 (PDF p. 24-25)
JB12-3-050 Thread: M3x0.5 | Cylinder bore: ø12 mm | Max compression: 112 N | Max tension: 112 N | Eccentricity: 0.5 mm
JB16-4-070 Thread: M4x0.7 | Cylinder bore: ø16 mm | Max compression: 200 N | Max tension: 200 N | Eccentricity: 0.5 mm
JB20-5-080 Thread: M5x0.8 | Cylinder bore: ø20 mm | Max compression: 1100 N | Max tension: 300 N | Eccentricity: 0.5 mm
JB25-6-100 Thread: M6x1 | Cylinder bore: ø25 mm | Max compression: 2500 N | Max tension: 500 N | Eccentricity: 0.5 mm
JB40-8-125 Thread: M8x1.25 | Cylinder bore: ø32, ø40 mm | Max compression: 6000 N | Max tension: 1300 N | Eccentricity: 0.75 mm
JB63-10-150 Thread: M10x1.5 | Cylinder bore: ø50, ø63 mm | Max compression: 11000 N | Max tension: 3100 N | Eccentricity: 1 mm
JB80-16-200 Thread: M16x2 | Cylinder bore: ø80 mm | Max compression: 18000 N | Max tension: 5000 N | Eccentricity: 1.25 mm
JB100-20-250 Thread: M20x2.5 | Cylinder bore: ø100 mm | Max compression: 28000 N | Max tension: 7900 N | Eccentricity: 2 mm
JB140-22-250 Thread: M22x2.5 | Cylinder bore: ø125, ø140 mm | Max compression: 54000 N | Max tension: 15300 N | Eccentricity: 2.5 mm
JB160-24-300 Thread: M24x3 | Cylinder bore: ø160 mm | Max compression: 71000 N | Max tension: 20000 N | Eccentricity: 3 mm
AccessoriesSMC
10 product codes available in this family
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SMC JB Floating Joint (For Compact Cylinders, Female Thread)

Brand SMC·Accessories

Available part numbers (10)

JB12-3-050, JB16-4-070, JB20-5-080, JB25-6-100, JB40-8-125, JB63-10-150, JB80-16-200, JB100-20-250, JB140-22-250, JB160-24-300

How to order

Send the SMC part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
JB12-3-050Thread: M3x0.5 | Cylinder bore: ø12 mm | Max compression: 112 N | Max tension: 112 N | Eccentricity: 0.5 mm
JB16-4-070Thread: M4x0.7 | Cylinder bore: ø16 mm | Max compression: 200 N | Max tension: 200 N | Eccentricity: 0.5 mm
JB20-5-080Thread: M5x0.8 | Cylinder bore: ø20 mm | Max compression: 1100 N | Max tension: 300 N | Eccentricity: 0.5 mm
JB25-6-100Thread: M6x1 | Cylinder bore: ø25 mm | Max compression: 2500 N | Max tension: 500 N | Eccentricity: 0.5 mm
JB40-8-125Thread: M8x1.25 | Cylinder bore: ø32, ø40 mm | Max compression: 6000 N | Max tension: 1300 N | Eccentricity: 0.75 mm
JB63-10-150Thread: M10x1.5 | Cylinder bore: ø50, ø63 mm | Max compression: 11000 N | Max tension: 3100 N | Eccentricity: 1 mm
JB80-16-200Thread: M16x2 | Cylinder bore: ø80 mm | Max compression: 18000 N | Max tension: 5000 N | Eccentricity: 1.25 mm
JB100-20-250Thread: M20x2.5 | Cylinder bore: ø100 mm | Max compression: 28000 N | Max tension: 7900 N | Eccentricity: 2 mm
JB140-22-250Thread: M22x2.5 | Cylinder bore: ø125, ø140 mm | Max compression: 54000 N | Max tension: 15300 N | Eccentricity: 2.5 mm
JB160-24-300Thread: M24x3 | Cylinder bore: ø160 mm | Max compression: 71000 N | Max tension: 20000 N | Eccentricity: 3 mm

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