SI T/K Rod End Bearing is a documented maintenance-free series for industrial linkage or pivot applications. Maintenance-free steel/PTFE sliding pair; metric female thread, right- or left-hand versions. Use the main image for identification and the full product description for model-by-model dimensions and load data.
SI T/K is the practical choice when a linkage needs a female-thread rod end but routine greasing is undesirable. The catalogue combines a zinc-plated rod-end body with a steel/PTFE sliding surface, so the joint can accommodate angular movement while keeping the installation compact. It is offered across a broad 5–50 mm bore range, with metric threads from the small M5 class up to M48 sizes.
| Model | Bore d (mm) | Female Thread | B (mm) | C1 (mm) | Reference L (mm) | Dynamic Load (kN) | Static Load (kN) | Weight (g) |
|---|---|---|---|---|---|---|---|---|
| SI5T/K | 5 | M5x0.8 | 8 | 6 | 27 | 5.7 | 6.0 | 16 |
| SI6T/K | 6 | M6x1.0 | 9 | 6.75 | 30 | 7.2 | 7.65 | 22 |
| SI8T/K | 8 | M8x1.25 | 12 | 9 | 36 | 11.6 | 12.9 | 47 |
| SI10T/K | 10 | M10x1.5 | 14 | 10.5 | 43 | 14.5 | 18.0 | 77 |
| SI10-1T/K | 10 | M10x1.25 | 14 | 10.5 | 43 | 14.5 | 18.0 | 77 |
| SI12T/K | 12 | M12x1.75 | 16 | 12 | 50 | 17.0 | 24.0 | 100 |
| SI12-1T/K | 12 | M12x1.25 | 16 | 12 | 50 | 17.0 | 24.0 | 100 |
| SI14T/K | 14 | M14x2.0 | 19 | 13.5 | 57 | 24.0 | 31.0 | 160 |
| SI14-1T/K | 14 | M14x1.5 | 19 | 13.5 | 57 | 24.0 | 31.0 | 160 |
| SI16T/K | 16 | M16x2.0 | 21 | 15 | 64 | 28.5 | 39.0 | 220 |
| SI16-1T/K | 16 | M16x1.5 | 21 | 15 | 64 | 28.5 | 39.0 | 220 |
| SI18T/K | 18 | M18x1.5 | 23 | 16.5 | 71 | 42.5 | 47.5 | 320 |
| SI20T/K | 20 | M20x1.5 | 25 | 18 | 77 | 42.5 | 57.0 | 420 |
| SI22T/K | 22 | M22x1.5 | 28 | 20 | 84 | 57.0 | 68.0 | 540 |
| SI25T/K | 25 | M24x2.0 | 31 | 22 | 94 | 68.0 | 85.0 | 720 |
| SI28T/K | 28 | M27x2.0 | 35 | 24 | 103 | 86.0 | 107.0 | 820 |
| SI30T/K | 30 | M30x2.0 | 37 | 25 | 110 | 88.0 | 114.0 | 1100 |
| SI30-1T/K | 30 | M27x2.0 | 37 | 25 | 110 | 88.0 | 114.0 | 1100 |
| SI35T/K | 35 | M36x2.0 | 43 | 28 | 125 | 101.0 | 206.0 | 1600 |
| SI40T/K | 40 | M42x2.0 | 49 | 33 | 142 | 124.0 | 280.0 | 2400 |
| SI50T/K | 50 | M48x2.0 | 60 | 45 | 160 | 308.0 | 485.0 | 5000 |
Start with bore and thread, then check the dynamic and static catalogue ratings against the real load case. Thread hand matters more than it first appears: opposed left- and right-hand rod ends can make turnbuckle-style linkage adjustment much easier.
Because this is the maintenance-free T/K family, do not design a lubrication task into the service plan.
SA T/K for a male-thread layout; NHS when a pressed-body PTFE-lined rod end is preferred; GE C for a maintenance-free spherical plain bearing without the threaded housing.
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