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DESCRIPTION
1. Applications
Troughing idlers/rollers are the most common type of idlers in use and they consist of three equal rollers attached to a rigid frame.
2. Specification of impact idler/roller
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Pipe diameter (mm) |
51, 60, 63.5, 76, 89, 108, 127, 133, 159 |
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Pipe Length (mm) |
190, 200, 240, 250, 305, 315, 375, 380, 455, 465, 525, 530 |
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Pipe thickness (mm) |
1.8, 2.0, 2.2, 2.5, 2.75, 3.0, 3.25, 3.5, 3.75, 4.0 |
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Shaft material |
A3 (45#steel) |
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Shaft diameter (mm) |
20, 25, 30, 35, 40 |
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Bearing brand |
C&U, HRB, ZWZ, LYO, NWH, SKF, NSK |
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Bearing type |
deep groove ball bearing with C3/C4 |
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Bearing size |
6104, 6204, 6205, 6305, 6206, 6306, 6307, 6308 |
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Bearing housing |
Trinity, special customized for clients |
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Bearing housing type |
pressed housing, cast iron bearing housing, polymer housing |
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Seal structure |
Multiple labyrinth seal, water proof, dust proof |
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Seal |
general use(nylon), Double labyrinth seal,TR seal |
|
Grease |
Lithium grease lubricant |
3. Selection of troughing idlers rollers
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Troughing idler (35º) |
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Belt width(B) |
Idler |
A |
E |
H1 |
H |
H2 |
P |
Q |
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Diameter(D) |
Length(L) |
Bearing |
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|
500 |
89 |
200 |
4G204 |
740 |
800 |
135.5 |
220 |
300 |
170 |
130 |
|
650 |
89 |
250 |
4G204 |
890 |
950 |
135.5 |
235 |
329 |
170 |
130 |
|
800 |
89 |
315 |
4G204 |
1090 |
1150 |
135.5 |
245 |
366 |
170 |
130 |
|
108 |
4G204 |
146 |
270 |
385 |
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4G205 |
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1000 |
108 |
380 |
4G205 |
1290 |
1350 |
159 |
300 |
437 |
220 |
170 |
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4G305 |
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|
133 |
4G205 |
173.5 |
325 |
462 |
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4G305 |
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|
1200 |
108 |
465 |
4G205 |
1540 |
1600 |
176 |
335 |
503 |
260 |
200 |
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4G305 |
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4G306 |
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|
133 |
4G205 |
190.5 |
360 |
528 |
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4G305 |
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4G306 |
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|
159 |
4G205 |
207.5 |
390 |
557 |
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4G305 |
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4G306 |
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1400 |
108 |
530 |
4G305 |
1740 |
1800 |
184 |
350 |
548 |
280 |
220 |
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4G306 |
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|
133 |
4G305 |
198.5 |
380 |
573 |
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4G306 |
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|
159 |
4G305 |
215.5 |
410 |
603 |
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4G306 |
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