The Conveyor Snub Pulley is installed in belt conveyor systems to increase the belt wrap around the drive pulley, improving contact between the conveyor belt and pulley surface.
By increasing the belt contact area around the drive arrangement, the snub pulley helps improve belt traction and support more stable belt movement. Its steel construction and rubber-covered surface provide wear and impact resistance for continuous bulk material conveying applications.
Key Features
Increased Belt Wrap
The snub pulley increases the contact area between the conveyor belt and drive pulley, helping improve belt traction.
Improved Belt Traction
Greater belt-to-pulley contact helps reduce the potential for belt slippage and supports stable power transmission.
Steel Construction
The pulley is manufactured from steel to provide a robust structure for continuous conveyor operation.
Rubber-Covered Surface
The pulley surface is covered with rubber to improve resistance to wear and impact during operation.
Stable Conveyor Operation
The optimized pulley arrangement helps maintain stable belt movement and supports reliable conveyor performance.
Product Advantages
Improved belt traction: Increases belt contact with the drive pulley to support more effective traction.
Reduced belt slippage: Greater belt wrap helps maintain reliable contact between the belt and pulley.
Stable belt movement: Supports smoother and more consistent conveyor operation.
Wear-resistant surface: Rubber covering helps protect the pulley surface against operational wear.
Impact resistance: The rubber-covered surface provides additional protection against impact during conveyor operation.
Applications
The Conveyor Snub Pulley is used in belt conveyor systems where additional belt wrap and improved traction around the drive pulley are required. It is particularly suitable for conveyor arrangements where stable belt movement and reliable contact between the belt and drive pulley are important.
Typical applications include:
Mining and Quarrying: Used in bulk material conveyors handling ores, aggregates, crushed stone, and other materials.
Coal Handling: Suitable for conveyor systems requiring stable belt movement and reliable drive traction.
Cement and Building Materials: Applied in continuous bulk material conveying systems where dependable belt traction is required.
Steel and Metallurgy: Suitable for industrial conveyor systems operating under continuous material handling conditions.
Ports and Bulk Material Terminals: Used in conveyor systems where reliable belt traction is important for continuous bulk material transportation.
General Bulk Material Handling: Suitable for belt conveyors requiring increased belt wrap around the drive pulley.
Ordering & Quotation Information
Information Required for Quotation
Please provide the pulley diameter, face width, shaft dimensions, conveyor belt width, installation position, required quantity, and operating conditions. Information about the drive pulley arrangement, belt wrap requirements, and lagging requirements is useful.
Technical Confirmation & Lead Time
We will confirm the snub pulley according to its position relative to the drive pulley, belt routing, belt wrap requirements, dimensions, shaft arrangement, and surface configuration. Lead time depends on specifications, quantity, material preparation, and purchased components.
Packaging, Delivery & Quality
Packaging and delivery are arranged according to pulley dimensions, weight, quantity, transportation method, and destination. Dimensions, shaft configuration, surface condition, quantity, and packaging completeness are checked before shipment.
FAQ
What is a Conveyor Snub Pulley?
A Conveyor Snub Pulley is a pulley used in a belt conveyor system to increase the belt wrap around the drive pulley, helping improve belt traction and contact.
What is the main function of a snub pulley?
Its primary function is to increase the belt contact area around the drive pulley, helping improve traction and reduce the possibility of belt slippage.
How does a snub pulley improve belt traction?
By increasing the belt wrap around the drive pulley, the snub pulley provides greater contact between the belt and pulley surface, supporting more reliable traction.
What material is used for the snub pulley?
According to the provided product information, the pulley is made of steel and its surface is covered with rubber to improve wear and impact resistance.
Is a snub pulley the same as a drive pulley?
No. A drive pulley transmits driving force to the conveyor belt, while a snub pulley works with the drive arrangement to increase belt wrap and improve belt traction.
Where are snub pulleys used?
They are used in belt conveyor systems, particularly where increased belt wrap around the drive pulley is required for stable belt movement and reliable traction.

|
B |
Allowable resultant force (kN) |
D |
Bearing model |
A |
L |
L1 |
Q |
P |
H |
h |
M |
N |
ds |
C |
N-dy |
Smooth surface |
Adhesive surface |
||
|
Moment of inertia (kg·m²) |
Drawing No |
Moment of inertia (kg·m²) |
Drawing No |
||||||||||||||||
|
500 |
9 |
250 |
1310 |
850 |
600 |
945 |
260 |
320 |
90 |
33 |
70 |
— |
M16 |
14 |
2—M8×1 |
0.5 |
DTⅡ01B1051 |
|
|
|
10 |
315 |
1.3 |
DTⅡ01B2051 |
|
|
||||||||||||||
|
400 |
3 |
DTⅡ01B3051 |
3.5 |
DTⅡ01B3052 |
|||||||||||||||
|
23 |
1312 |
953 |
280 |
340 |
100 |
18 |
3 |
DTⅡ01B3061 |
3.5 |
DTⅡ01B3062 |
|||||||||
|
28 |
500 |
5 |
DTⅡ01B4061 |
6 |
DTⅡ01B4062 |
||||||||||||||
|
49 |
1316 |
959 |
350 |
410 |
120 |
M20 |
22 |
5 |
DTⅡ01B4081 |
6 |
DTⅡ01B4082 |
||||||||
|
650 |
8 |
250 |
1310 |
1000 |
750 |
1095 |
260 |
320 |
90 |
M16 |
14 |
0.8 |
DTⅡ02B1051 |
|
|
||||
|
315 |
1.5 |
DTⅡ02B2051 |
|
|
|||||||||||||||
|
16 |
1312 |
1103 |
280 |
340 |
100 |
18 |
1.8 |
DTⅡ02B2061 |
|
|
|||||||||
|
20 |
400 |
3 |
DTⅡ02B3061 |
3.5 |
DTⅡ02B3062 |
||||||||||||||
|
26 |
315 |
1316 |
1109 |
350 |
410 |
120 |
M20 |
22 |
2 |
DTⅡ02B2081 |
|
|
|||||||
|
32 |
400 |
3.3 |
DTⅡ02B3081 |
3.8 |
DTⅡ02B3082 |
||||||||||||||
|
40 |
500 |
6.5 |
DTⅡ02B4081 |
7.8 |
DTⅡ02B4082 |
||||||||||||||
|
46 |
400 |
3520 |
1129 |
380 |
460 |
135 |
46 |
80 |
M24 |
26 |
4—M8×1 |
3.5 |
DTⅡ02B3101 |
4 |
DTⅡ02B3102 |
||||
|
59 |
500 |
6.5 |
DTⅡ02B4101 |
7.8 |
DTⅡ02B4102 |
||||||||||||||
|
630 |
16.3 |
DTⅡ02B5101 |
18.5 |
DTⅡ02B5102 |
|||||||||||||||
|
70 |
3524 |
1050 |
1189 |
440 |
530 |
155 |
110 |
32 |
20.3 |
DTⅡ02B5121 |
21.3 |
DTⅡ02B5122 |
|||||||
|
800 |
6 |
250 |
1310 |
1250 |
950 |
1345 |
260 |
320 |
90 |
33 |
70 |
M16 |
14 |
2—M8×1 |
0.8 |
DTⅡ03B1051 |
|
|
|
|
12 |
315 |
1312 |
1353 |
280 |
340 |
100 |
18 |
1.5 |
DTⅡ03B2061 |
|
|
||||||||
|
20 |
1316 |
1359 |
350 |
410 |
120 |
M20 |
22 |
1.8 |
DTⅡ03B2081 |
|
|
||||||||
|
400 |
4.5 |
DTⅡ03B3081 |
4.8 |
DTⅡ03B3082 |
|||||||||||||||
|
32 |
3520 |
1300 |
1429 |
380 |
460 |
135 |
46 |
80 |
M24 |
26 |
4—M8×1 |
4.8 |
DTⅡ03B3101 |
5 |
DTⅡ03B3102 |
||||
|
40 |
500 |
7.8 |
DTⅡ03B4101 |
9.8 |
DTⅡ03B4102 |
||||||||||||||
|
50 |
630 |
19.5 |
DTⅡ03B5101 |
23.5 |
DTⅡ03B5102 |
||||||||||||||
|
47 |
400 |
3524 |
1439 |
440 |
530 |
155 |
110 |
32 |
5.5 |
DTⅡ03B3121 |
6.3 |
DTⅡ03B3122 |
|||||||
|
56 |
500 |
7.8 |
DTⅡ03B4121 |
9.3 |
DTⅡ03B4122 |
||||||||||||||
|
73 |
630 |
24.3 |
DTⅡ03B5121 |
49.5 |
DTⅡ03B5122 |
||||||||||||||
|
90 |
800 |
49.8 |
DTⅡ03B6121 |
57.3 |
DTⅡ03B6122 |
||||||||||||||
|
100 |
630 |
3528 |
1449 |
480 |
570 |
170 |
63 |
120 |
— |
M30 |
37 |
27.8 |
DTⅡ03B5141 |
30.8 |
DTⅡ03B5142 |
||||
|
126 |
800 |
54.8 |
DTⅡ03B6141 |
61.8 |
DTⅡ03B6142 |
||||||||||||||
|
170 |
630 |
3532 |
1400 |
1579 |
520 |
640 |
200 |
60 |
200 |
105 |
43 |
4-M10×1 |
30 |
DTⅡ03B5161 |
33 |
DTⅡ03B5162 |
|||
|
800 |
60.5 |
DTⅡ03B6161 |
67.5 |
DTⅡ03B6162 |
|||||||||||||||
|
240 |
1000 |
125.3 |
DTⅡ03B7161 |
140 |
DTⅡ03B7162 |
||||||||||||||
|
250 |
800 |
3536 |
1601 |
570 |
700 |
220 |
70 |
220 |
120 |
46 |
61.8 |
DTⅡ03B6181 |
68.8 |
DTⅡ03B6182 |
|||||
|
330 |
1000 |
126.5 |
DTⅡ03B7181 |
140.3 |
DTⅡ03B7182 |
||||||||||||||
| B | Allowable resultant force (kN) |
D | Bearing model |
A | L | L1 | Q | P | H | h | M | N | ds | C | N-dy | Smooth surface | Adhesive surface | ||
| Moment of inertia (kg·m²) |
Drawing No | Moment of inertia (kg·m²) |
Drawing No | ||||||||||||||||
| 1000 | 6 | 250 | 1310 | 1450 | 1150 | 1545 | 260 | 320 | 90 | 33 | 70 | — | M16 | 14 | 2-M8×1 | 1 | DTⅡ04B1051 | ||
| 11 | 315 | 1312 | 1553 | 280 | 340 | 100 | 18 | 1.8 | DTⅡ04B2061 | ||||||||||
| 18 | 1316 | 1559 | 350 | 410 | 120 | M20 | 22 | 2 | DTⅡ04B2081 | ||||||||||
| 400 | 5 | DTⅡ04B3081 | 6 | DTⅡ04B3082 | |||||||||||||||
| 29 | 3520 | 1500 | 1629 | 380 | 460 | 135 | 46 | 80 | M24 | 26 | 4-M8×1 | 5 | DTⅡ04B3101 | 6 | DTⅡ04B3102 | ||||
| 35 | 500 | 11.5 | DTⅡ04B4101 | 13.3 | DTⅡ04B4102 | ||||||||||||||
| 43 | 630 | 23 | DTⅡ04B5101 | 26.5 | DTⅡ04B5102 | ||||||||||||||
| 45 | 400 | 3524 | 1639 | 440 | 530 | 155 | 110 | 32 | 7.3 | DTⅡ04B3121 | 8.3 | DTⅡ04B3122 | |||||||
| 500 | 9.5 | DTⅡ04B4121 | 11.3 | DTⅡ04B4122 | |||||||||||||||
| 64 | 630 | 29.8 | DTⅡ04B5121 | 33.3 | DTⅡ04B5122 | ||||||||||||||
| 79 | 800 | 58.3 | DTⅡ04B6121 | 67 | DTⅡ04B6122 | ||||||||||||||
| 75 | 500 | 3528 | 1649 | 480 | 570 | 170 | 63 | 120 | M30 | 37 | 8.5 | DTⅡ04B4141 | 9.8 | DTⅡ04B4142 | |||||
| 87 | 630 | 32.5 | DTⅡ04B5141 | 36 | DTⅡ04B5142 | ||||||||||||||
| 110 | 800 | 64.3 | DTⅡ04B6141 | 73 | DTⅡ04B6142 | ||||||||||||||
| 130 | 1000 | 1150 | — | 131.5 | DTⅡ04B7141 | 150.8 | DTⅡ04B7142 | ||||||||||||
| 168 | 630 | 3532 | 1600 | 1579 | 520 | 640 | 200 | 60 | 200 | 105 | 43 | 4-M10×1 | 10 | DTⅡ04B5161 | 38.5 | DTⅡ04B5162 | |||
| 800 | 73.3 | DTⅡ04B6161 | 81.8 | DTⅡ04B6162 | |||||||||||||||
| 200 | 1000 | 151.5 | DTⅡ04B7161 | 168.3 | DTⅡ04B7162 | ||||||||||||||
| 220 | 800 | 3536 | 1801 | 570 | 700 | 220 | 70 | 220 | 120 | 46 | 74.8 | DTⅡ04B6181 | 83.3 | DTⅡ04B6182 | |||||
| 290 | 1000 | 153.3 | DTⅡ04B7181 | 170 | DTⅡ04B7182 | ||||||||||||||
| 387 | 3540 | 1650 | 1906 | 640 | 780 | 240 | 75 | 240 | 140 | 60 | 198.5 | DTⅡ04B7201 | 215.3 | DTⅡ04B7202 | |||||
| 429 | 3544 | 1916 | 720 | 880 | 270 | 80 | 250 | M36 | 65 | 215.8 | DTⅡ04B7221 | 232.5 | DTⅡ04B7222 | ||||||
| 1200 | 6 | 250 | 1310 | 1700 | 1400 | 1795 | 260 | 320 | 90 | 33 | 70 | — | M16 | 14 | 2-M8×1 | 1.3 | DTⅡ05B1051 | ||
| 11 | 315 | 1312 | 1803 | 280 | 340 | 100 | 18 | 1.8 | DTⅡ05B2061 | ||||||||||
| 17 | 1316 | 1809 | 350 | 410 | 120 | M20 | 22 | 2 | DTⅡ05B2081 | ||||||||||
| 400 | 6 | DTⅡ05B3081 | 7 | DTⅡ05B3082 | |||||||||||||||
| 26 | 3520 | 1750 | 1879 | 380 | 460 | 135 | 46 | 80 | M24 | 26 | 4-M8×1 | 7 | DTⅡ05B3102 | ||||||
| 30 | 500 | 16.3 | DTⅡ05B4102 | ||||||||||||||||
| 37 | 630 | 32.3 | DTⅡ05B5102 | ||||||||||||||||
| 38 | 400 | 3524 | 1889 | 440 | 530 | 155 | 110 | 32 | 10 | DTⅡ05B3122 | |||||||||
| 41 | 500 | 13.8 | DTⅡ05B4122 | ||||||||||||||||
| 53 | 630 | 38 | DTⅡ05B5122 | ||||||||||||||||
| 64 | 800 | 79.5 | DTⅡ05B6122 | ||||||||||||||||
| 70 | 500 | 3528 | 1899 | 480 | 570 | 170 | 63 | 120 | M30 | 37 | 21 | DTⅡ05B4142 | |||||||
| 90 | 630 | 42.5 | DTⅡ05B5142 | ||||||||||||||||
| 100 | 800 | 87 | DTⅡ05B6142 | ||||||||||||||||
| 134 | 1000 | 175.8 | DTⅡ05B7142 | ||||||||||||||||
| 150 | 630 | 3532 | 1850 | 2029 | 520 | 640 | 200 | 60 | 200 | 105 | 43 | 4-M10×1 | 46.8 | DTⅡ05B5162 | |||||
| 800 | 99.5 | DTⅡ05B6162 | |||||||||||||||||
| 1000 | 204.8 | DTⅡ05B7162 | |||||||||||||||||
| 200 | 800 | 3536 | 2051 | 570 | 700 | 220 | 70 | 220 | 120 | 46 | 101.3 | DTⅡ05B6182 | |||||||
| 1000 | 207 | DTⅡ05B7182 | |||||||||||||||||
| 230 | 800 | 3540 | 1900 | 1400 | 2156 | 640 | 780 | 240 | 75 | 240 | 140 | M30 | 60 | 4-M10×1 | 118.3 | DTⅡ05B6202 | |||
| 351 | 1000 | 262 | DTⅡ05B7202 | ||||||||||||||||
| 391 | 3544 | 2166 | 720 | 880 | 270 | 80 | 250 | M36 | 65 | 283 | DTⅡ05B7222 | ||||||||
| 437 | 3548 | 2186 | 750 | 900 | 290 | 90 | 75 | 291 | DTⅡ05B7242 | ||||||||||
| B | Allowable resultant force (kN) |
D | Bearing model |
A | L | L1 | Q | P | H | h | M | N | ds | C | N-dy | Smooth surface | Adhesive surface | ||
| Moment of inertia (kg·m²) |
Drawing No | Moment of inertia (kg·m²) |
Drawing No | ||||||||||||||||
| 1400 | 17 | 315 | 1316 | 1900 | 1600 | 2009 | 350 | 410 | 120 | 33 | 70 | — | M20 | 22 | 4-M8×1 | 2.3 | DTⅡ06B2081 | ||
| 400 | 6.8 | DTⅡ06B3081 | 8 | DTⅡ06B3082 | |||||||||||||||
| 25 | 3520 | 1950 | 2079 | 380 | 460 | 135 | 46 | 80 | M24 | 26 | 4-M8×1 | 8 | DTⅡ06B3102 | ||||||
| 500 | 18.5 | DTⅡ06B4102 | |||||||||||||||||
| 40 | 400 | 3524 | 2089 | 440 | 530 | 155 | 110 | 32 | 11.5 | DTⅡ06B3122 | |||||||||
| 500 | 15.8 | DTⅡ06B4122 | |||||||||||||||||
| 50 | 630 | 42.8 | DTⅡ06B5122 | ||||||||||||||||
| 800 | 89.3 | DTⅡ06B6122 | |||||||||||||||||
| 66 | 500 | 3528 | 2050 | 1600 | 2199 | 480 | 570 | 170 | 63 | 120 | — | M30 | 37 | 24 | DTⅡ06B4142 | ||||
| 90 | 630 | 48 | DTⅡ06B5142 | ||||||||||||||||
| 94 | 800 | 98.3 | DTⅡ06B6142 | ||||||||||||||||
| 100 | 1000 | 198 | DTⅡ06B7142 | ||||||||||||||||
| 120 | 630 | 3532 | 2299 | 520 | 640 | 200 | 60 | 200 | 105 | 43 | 4-M10×1 | 53.5 | DTⅡ06B65162 | ||||||
| 150 | 800 | 113.8 | DTⅡ06B6162 | ||||||||||||||||
| 1000 | 234 | DTⅡ06B7162 | |||||||||||||||||
| 186 | 800 | 3536 | 2251 | 570 | 700 | 220 | 70 | 220 | 120 | 46 | 115.8 | DTⅡ06B6182 | |||||||
| 236 | 1000 | 236.5 | DTⅡ06B7182 | ||||||||||||||||
| 214 | 800 | 3540 | 2100 | 2356 | 640 | 780 | 240 | 75 | 240 | 140 | 60 | 135.3 | DTⅡ06B6202 | ||||||
| 331 | 1000 | 299.5 | DTⅡ06B7202 | ||||||||||||||||
| 361 | 3544 | 2366 | 720 | 880 | 270 | 80 | 250 | M36 | 65 | 300 | DTⅡ06B7222 | ||||||||
| 400 | 3548 | 2386 | 750 | 900 | 290 | 90 | 75 | 323.8 | DTⅡ06B7242 | ||||||||||
| 427 | 3552 | 2396 | 375.5 | DTⅡ06B7262 | |||||||||||||||