Hold the Line
Belting is the most expensive component of a conveying system. Superior’s Self-Aligning Idlers ensure that your conveyor belts stay on track, minimizing the chance of severe belt damage.
Concave in shape, the idler’s side guide rollers restrain the belt from running up and over the conveyor. In order to lessen the wear on the belt, the side guide rollers are made with high-grade HDPE that reduces the friction between the idler and belt.
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Models
Advantages
Troughing Idler
Short sentence describing the ideal applications for a troughing idler.
Troughing Idler
Short sentence describing the ideal applications for a troughing idler.
Troughing Idler
Short sentence describing the ideal applications for a troughing idler.
Troughing Idler
Short sentence describing the ideal applications for a troughing idler.
The Next Generation Idlers
After decades of field testing and refinement, the next generation of idlers is here.
Superior just completed the biggest idler redesign of your lifetime. Millions have been invested in automated and modern manufacturing.
Reduce maintenance, reduce failure, and protect the belt. Get Superior-built steel idlers made to size for your specific application.
Videos
Overhead view of 3055 Liberty Jaw crushing boulders
Overhead view of 3055 Liberty Jaw crushing boulders
Overhead view of 3055 Liberty Jaw crushing boulders
Liberty Jaw Models & Specifications
Standard Specifications
| Model | Weight | Feed Opening | CSS | Capacity | Speed | Max Feed Size | Power | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| kg | lbs | mm x mm | in x in | mm | in | mtph | stph | rpm | mm | in | kW | hp | |
| 2155B | 16,500 | 36,400 | 530 x 1,400 | 21 x 55 | 40–130 | 1.6"–5.1" | 90–400 | 100–440 | 280 | 427 | 16.8" | 110 | 150 |
| 2636B | 14,050 | 31,000 | 650 x 900 | 26 x 36 | 60–160 | 2.4"–6.3" | 110–360 | 120–396 | 300 | 528 | 20.8" | 75 | 100 |
| 3042B | 15,700 | 34,600 | 750 x 1,070 | 30 x 42 | 70–200 | 2.75"–8" | 150–500 | 165–550 | 280 | 610 | 24.0" | 110 | 150 |
| 3343B | 22,300 | 49,200 | 830 x 1,100 | 33 x 43 | 80–200 | 3.2"–8" | 180–620 | 200–680 | 270 | 671 | 26.4" | 110 | 150 |
| 3055B | 26,950 | 59,000 | 760 x 1,400 | 30 x 55 | 70–200 | 2.75"–8" | 240–780 | 265–855 | 260 | 610 | 24.0" | 160 | 200 |
| 3455B | 31,500 | 69,445 | 860 x 1,400 | 34 x 55 | 100–200 | 4"–8" | 320–800 | 353–880 | 250 | 691 | 27.2" | 160 | 200 |
| 3448B | 28,000 | 62,000 | 860 x 1,220 | 34 x 48 | 70–200 | 2.75"–8" | 170–560 | 185–615 | 250 | 691 | 27.2" | 160 | 200 |
| 4051B | 42,000 | 92,600 | 1,010 x 1,300 | 40 x 51 | 100–200 | 4"–8" | 290–880 | 320–970 | 230 | 813 | 32.0" | 160 | 200 |
| 4655B | 52,500 | 115,800 | 1,160 x 1,400 | 46 x 55 | 150–250 | 6"–10" | 400–900 | 440–990 | 230 | 935 | 36.8" | 200 | 300 |
| 5165B | 71,250 | 157,100 | 1,290 x 1,650 | 51 x 65 | 150–270 | 6"–10.5" | 550–1,100 | 605–1,210 | 220 | 1,036 | 40.8" | 250 | 350 |
| 6080B | 135,000 | 297,000 | 1,525 x 2,030 | 60 x 80 | 200–300 | 8"–12" | 700–1,450 | 770–1,595 | 200 | 1,219 | 48.0" | 400 | 500 |
Gradation / Percent Passing
| Size of Material | Percent Passing for a Given Closed Side Setting - Average Feed Material (12-14 Work Index) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| in | mm | 1.5" (38mm) | 2" (50mm) | 2.5" (63mm) | 3" (76mm) | 3.5" (88mm) | 4" (101mm) | 5" (127mm) | 6" (152mm) | 7" (177mm) | 8" (203mm) | 10" (254mm) | 11" (279mm) | 12" (304mm) |
| 18 | 457 | 100% | 100% | |||||||||||
| 16 | 406 | 100% | 98 | 94 | ||||||||||
| 14 | 355 | 98 | 90 | 83 | ||||||||||
| 12 | 304 | 100% | 84 | 77 | 70 | |||||||||
| 10 | 254 | 100% | 100% | 88 | 70 | 64 | 58 | |||||||
| 8 | 203 | 100% | 94 | 80 | 70 | 56 | 51 | 47 | ||||||
| 7 | 177 | 94 | 82 | 70 | 61 | 49 | 45 | 41 | ||||||
| 6 | 152 | 100% | 100% | 82 | 70 | 60 | 53 | 42 | 38 | 35 | ||||
| 5 | 127 | 100% | 99 | 87 | 70 | 58 | 50 | 44 | 35 | 32 | 29 | |||
| 4 | 101 | 100% | 100% | 92 | 80 | 70 | 56 | 47 | 40 | 35 | 28 | 25 | 23 | |
| 3 | 76 | 100% | 95 | 83 | 70 | 60 | 53 | 42 | 35 | 30 | 27 | 21 | 19 | 18 |
| 2.5 | 63 | 95 | 85 | 70 | 59 | 50 | 44 | 35 | 29 | 25 | 22 | 18 | 16 | 15 |
| 2 | 50 | 85 | 70 | 57 | 48 | 40 | 35 | 28 | 24 | 20 | 18 | 14 | 13 | 12 |
| 1.5 | 38 | 69 | 52 | 42 | 35 | 30 | 26 | 21 | 18 | 15 | 14 | 11 | 10 | 9 |
| 1 | 25 | 44 | 34 | 28 | 23 | 20 | 17 | 14 | 12 | 10 | 9 | 7 | 7 | 6 |
| 0.75 | 19 | 32 | 25 | 21 | 18 | 15 | 13 | 11 | 9 | 8 | 7 | 5 | 5 | 5 |
| 0.5 | 12 | 22 | 18 | 15 | 12 | 10 | 9 | 7 | 6 | 5 | 5 | 4 | 4 | 3 |
| 0.25 | 6 | 12 | 10 | 8 | 6 | 5 | 5 | 4 | 3 | 3 | 2 | 2 | 2 | 1 |
Real Stories, Proven Performance
Downloads
Keep Material Dry and Operations Moving
Weather doesn’t take days off, and neither should your conveyor. Belt covers protect material from rain, wind, and sun, keeping production steady and cleanup to a minimum. They also extend belt life by shielding critical components from the elements.
Offered in full, half, or three-quarter styles, these covers install fast and open easily for inspection or maintenance. Rugged steel construction and a simple clamping design deliver long-term protection that keeps your material on track.
Advantages
Weather Protection for Material
Shields material from rain, wind, and sunlight to prevent moisture contamination or loss of fine material.
Dust and Spill Containment
Helps maintain air quality and site cleanliness by keeping dust and loose material inside the conveyor path.
Rugged Construction
Corrugated 22-gauge steel offers superior strength and dent resistance for long service life in harsh conditions.
No Structural Changes at Install
Independent mounting design installs easily on existing conveyors without relocating idlers or modifying frames.
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Which Part is Right?
Over-designed conveyor components waste money while undersized models can lead to costly downtime. Skip the guesswork...let's get it right!
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