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Bore 12 / M12X1.75 ThreadJFXR12M / JFXL12M — метрическая прецизионная трёхсоставная шарнирная головка с внутренней резьбой, отверстие 12 mm (B), диаметр корпуса 30 mm (D). Стальной шар 22.23 диаметром 52100 mm прецизионно отшлифован, закалён и покрыт твёрдым хромом, установлен в закалённой обойме из легированной стали, опционально с PTFE-вкладышем. Длина корпуса с внутренней резьбой (AF) 54 mm, длина свинчивания (CF) 24 mm, ширина корпуса (W) 16 mm, толщина корпуса (T) 12.0 mm. Примерная масса: 95 g.
При статической радиальной нагрузке 44,490 N и угле отклонения ±17° серия JFX-M обеспечивает значительно более высокую грузоподъёмность, чем стандартные метрические головки с внутренней резьбой из углеродистой стали, благодаря конструкции из закалённой легированной стали. Эта шарнирная головка с внутренней резьбой M12 X 1.75 подходит для высоконагруженных промышленных тяг, тяжёлой техники и ответственных систем управления движением. Корпус с внутренней резьбой навинчивается на ответный палец или трубную вставку; корпус из легированной стали с серебристым цинкованием.
Доступны исполнения с правой (JFXR12M) и левой (JFXL12M) метрической резьбой. Версия с PTFE-вкладышем (суффикс «T», например JFXR12MT) для необслуживаемой работы. Также доступны версии с пальцем (суффикс «S»). Полированное твёрдое хромирование и варианты с иным шагом резьбы — по запросу. Дюймовый аналог — серия JFX.
All available sizes in the JMX M JFX M Метрические шарнирные головки из легированной стали, 3-составные series. Can’t find your size? Contact us for custom dimensions.
| RIGHT HAND PART NO. | LEFT HAND PART NO. | B DIA. +0.065 -0.012 | D DIA. +0.38 -0.38 | W WIDTH +0.12 -0.12 | T WIDTH +0.13 -0.13 | BALL DIA. REF. | AM LENGTH +0.40 -0.40 | N THREAD Metric | CM LENGTH +1.00 -1.00 | a° MIS. ANGLE REF. | STATIC RADIAL LOAD (NEWTONS) | APPROX WEIGHT (GRAMS) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| JMXR5M | JMXL5M | 5 | 16 | 8 | 6.25 | 11.10 | 33 | M5 X 0.8 | 20 | 14 | 5,170 | 13 |
| JMXR6M | JMXL6M | 6 | 19 | 9 | 7 | 12.70 | 36 | M6 X 1.0 | 22 | 13 | 17,725 | 18 |
| JMXR8M | JMXL8M | 8 | 22.25 | 12 | 8.75 | 15.88 | 42 | M8 X 1.25 | 25 | 18 | 33,137 | 31 |
| JMXR8Mx1.0 | JMXL8Mx1.0 | 8 | 22.25 | 12 | 8.75 | 15.88 | 42 | M8 X 1.0 | 25 | 18 | 33,137 | 31 |
| JMXR10M | JMXL10M | 10 | 27 | 14 | 10.50 | 19.05 | 48 | M10 X 1.5 | 29 | 17 | 50,225 | 68 |
| JMXR10Mx1.25 | JMXL10Mx1.25 | 10 | 27 | 14 | 10.50 | 19.05 | 48 | M10 X 1.25 | 29 | 17 | 50,225 | 68 |
| JMXR12M | JMXL12M | 12 | 30 | 16 | 12 | 22.23 | 54 | M12X1.75 | 33 | 17 | 44,487 | 78 |
| JMXR12Mx1.25 | JMXL12Mx1.25 | 12 | 30 | 16 | 12 | 22.23 | 54 | M12X1.25 | 33 | 17 | 44,487 | 78 |
| JMXR14M | JMXL14M | 14 | 34.75 | 19 | 13.50 | 25.40 | 60 | M14 X 2.0 | 36 | 21 | 71,745 | 118 |
| JMXR14Mx1.5 | JMXL14Mx1.5 | 14 | 34.75 | 19 | 13.50 | 25.40 | 60 | M14 X 1.5 | 36 | 21 | 71,745 | 118 |
| JMXR16M | JMXL16M | 16 | 38 | 21 | 14.25 | 28.58 | 66 | M16 X 2.0 | 40 | 23 | 76,290 | 173 |
| JMXR16Mx1.5 | JMXL16Mx1.5 | 16 | 38 | 21 | 14.25 | 28.58 | 66 | M16 X 1.5 | 40 | 23 | 76,290 | 173 |
| JMXR18M | JMXL18M | 18 | 42 | 23 | 16.25 | 31.75 | 72 | M18 X 1.5 | 44 | 21 | 100,740 | 260 |
| JMXR20M | JMXL20M | 20 | 46 | 25 | 18 | 34.93 | 78 | M20 X 1.5 | 47 | 20 | 120,210 | 290 |
| JMXR20Mx2.5 | JMXL20Mx2.5 | 20 | 46 | 25 | 18 | 34.93 | 78 | M20 X 2.5 | 47 | 20 | 120,210 | 290 |
| JMXR22M | JMXL22M | 22 | 50 | 28 | 19.50 | 38.10 | 86 | M22 X 1.5 | 51 | 22 | 137,100 | 315 |
| JMXR25M | JMXL25M | 25 | 60 | 31 | 22 | 42.86 | 95 | M24 X 2.0 | 57 | 19 | 251,780 | 500 |
| JMXR30M | JMXL30M | 30 | 74.93 | 34.93 | 25.78 | 47.62 | 114 | M30 X 2.0 | 63.5 | 17 | 476,745 | 1224 |
| RIGHT HAND PART NO. | LEFT HAND PART NO. | B | D | W | T | BALL | AF | N | CF | a° | STATIC | GRAMS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| JFXR5M | JFXL5M | 5 | 16 | 8 | 6.25 | 11.10 | 33 | M5 X 0.8 | 14 | 14 | 16,400 | 17 |
| JFXR6M | JFXL6M | 6 | 19 | 9 | 7 | 12.70 | 36 | M6 X 1.0 | 14 | 13 | 25,785 | 25 |
| JFXR8M | JFXL8M | 8 | 22.25 | 12 | 8.75 | 15.88 | 42 | M8 X 1.25 | 17 | 18 | 33,215 | 40 |
| JFXR8Mx1.0 | JFXL8Mx1.0 | 8 | 22.25 | 12 | 8.75 | 15.88 | 42 | M8 X 1.0 | 17 | 18 | 33,215 | 40 |
| JFXR10M | JFXL10M | 10 | 27 | 14 | 10.50 | 19.05 | 48 | M10 X 1.5 | 21 | 17 | 50,230 | 80 |
| JFXR10Mx1.25 | JFXL10Mx1.25 | 10 | 27 | 14 | 10.50 | 19.05 | 48 | M10 X 1.25 | 21 | 17 | 50,230 | 80 |
| JFXR12M | JFXL12M | 12 | 30 | 16 | 12 | 22.23 | 54 | M12X1.75 | 24 | 17 | 44,490 | 95 |
| JFXR12Mx1.25 | JFXL12Mx1.25 | 12 | 30 | 16 | 12 | 22.23 | 54 | M12X1.25 | 24 | 17 | 44,490 | 95 |
| JFXR14M | JFXL14M | 14 | 34.75 | 19 | 13.50 | 25.40 | 60 | M14 X 2.0 | 27 | 21 | 71,745 | 160 |
| JFXR14Mx1.5 | JFXL14Mx1.5 | 14 | 34.75 | 19 | 13.50 | 25.40 | 60 | M14 X 1.5 | 27 | 21 | 71,745 | 160 |
| JFXR16M | JFXL16M | 16 | 38 | 21 | 14.25 | 28.58 | 66 | M16 X 2.0 | 33 | 23 | 76,295 | 215 |
| JFXR16Mx1.5 | JFXL16Mx1.5 | 16 | 38 | 21 | 14.25 | 28.58 | 66 | M16 X 1.5 | 33 | 23 | 76,295 | 215 |
| JFXR18M | JFXL18M | 18 | 42 | 23 | 16.25 | 31.75 | 71 | M18 X 1.5 | 36 | 21 | 100,740 | 300 |
| JFXR20M | JFXL20M | 20 | 46 | 25 | 18 | 34.93 | 77 | M20 X 1.5 | 40 | 20 | 120,210 | 350 |
| JFXR20Mx2.5 | JFXL20Mx2.5 | 20 | 46 | 25 | 18 | 34.93 | 77 | M20 X 2.5 | 40 | 20 | 120,210 | 350 |
| JFXR22M | JFXL22M | 22 | 50 | 28 | 19.50 | 38.10 | 86 | M22 X 1.5 | 43 | 22 | 137,100 | 390 |
| JFXR25M | JFXL25M | 25 | 60 | 31 | 22 | 42.86 | 95 | M24 X 2.0 | 48 | 19 | 251,780 | 700 |
| JFXR30M | JFXL30M | 30 | 69.85 | 34.93 | 25.40 | 47.62 | 105 | M30 X 2.0 | 54 | 17 | 338,960 | 1093 |
Material certifications verified. Composition confirmed by spectrometer before machining begins.
100% go/no-go gauge check on all threaded sections. Zero tolerance on dimensional non-conformance.
Static and dynamic load tests run on representative samples from each production batch.
CMM verification of critical dimensions — ball diameter, bore, thread pitch, and body length.
Visual and tactile inspection for burrs, scratches, surface cracks, and plating defects.
Misalignment angle and torque measured to confirm liner performance meets specification.
Hardness tests confirm proper heat treatment on chromoly steel bodies and bearing balls.
Full traceability from raw material heat number to finished part. COC and inspection reports available.
Share your part number, required quantity, and any special material or packaging requirements. We respond within 24 hours.
The JFXR12M / JFXL12M is a three-piece precision metric female rod end with a 12 mm bore, internally threaded M12X1.75. It's part of the heat-treated alloy steel JFX-M series and suits high-load industrial linkages, heavy machinery, and demanding motion-control systems.
The JFXR12M / JFXL12M is rated at 44,490 N static radial load with ±17° of misalignment — the JFX-M series gives significantly higher load capacity than a standard carbon steel metric female rod end of the same size through its heat-treated alloy steel construction.
The 22.23 mm ball is 52100 bearing steel, precision ground, heat treated, and hard chrome plated, running in a heat-treated alloy steel race with a PTFE liner option. The alloy steel body carries a silver zinc plating for corrosion resistance.
Body housing diameter (D) is 30 mm, female body length (AF) is 54 mm, thread engagement depth (CF) is 24 mm, body width (W) is 16 mm, and body thickness (T) is 12.0 mm. Approximate weight is 95 g.
JFXR12M is the right-hand thread version and JFXL12M is the left-hand thread version of the same female rod end — both use the same M12X1.75 internal thread and are ordered according to which hand of thread your linkage needs.
Yes. Adding a 'T' suffix (e.g., JFXR12MT) gives a PTFE-lined race for maintenance-free operation, and a studded version (add 'S' suffix) is also available. A polished hard chrome finish and alternate thread pitch variants can be supplied on request — the inch-thread equivalent of this metric female series is the JFX series.
