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CuSn8 Bronze Bushings

Wrapped bronze bearing graphite bushings High Performance at Lower Cost. Economically priced,Phosphor tin bronze cusn8p material,A Broad Range of Inch and Metric Sizes, including All standard Flanged Bushing Sizes.

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Description

Wrapped bronze bushing is made of bronze plate with oil pockets or holes. It is a kind of wrapped greased (also sometimes graphite) lubricating bushing bearing. Bronze material normally in CuSn6.5P or CuSn8P, the bronze is made as the particular formulation with high specific and gravity, and on its surface may be incorporated with spherical or diamond shaped indentations or/and oil grooves as required by customers. The products are widely used in construction machinery, agricultural machinery and so on.

Graphite Bronze Sleeve Bushing Split type is based bronze material and embedded with solid lubricants in diamond or round shape pockets which are evenly distributed on its inside layers. Bronze Sleeve Bushing have high strength, high load capacity and the spirally distributed diamond type of the embedded solid lubricant,the high temperature lubricating action and wear resistantaction as estraordinary exploited. The lubrication area of the bearing surface is being about 25%.

Why choose wrapped bronze bearing?

  • Insensitive to dirty environments
  • Resistant to shock loads and vibrations at slow speeds
  • Good resistance to corrosive conditions

Application

This type of bearing is particularly applied in staring motor for automobiles, generators, hoisting machines, various cranes and those machines in metallurgical industry.

  • Cylindrical bearings
  • Flanged bearings
  • Thrust washers
  • Plates
  • Drawing details

Technical information and standard dimensions on the data sheet

Features

1. May work without any oil for long period 
2. Extremely high load capacity, good anti-wear and lower friction 
3. Particularly appropriate for low speed and high load 
4. Suitable for reciprocating, oscillation or intermittent motion where oil film is hard to be formed 
5. Good chemical resistant and anti-corrosion characteristics 
6. Can be used in wide range of temperature from -40℃-+300℃

Characteristics:

Bearing material CuSn8 made of solid bronze strip with perforation for lubricated applications.

Good wear resistance, suitable for rough conditions.

Optimum performance under relatively high loads and low speeds.

These holes will allow greater capacity to collect lubricant, which build up a lubrication film at the start of movement and reduce the frication.

Properties

Economic solution for bronze bearing application due to a thin wall thickness. High load capability and good stability with low abrasion. Suitable for rough working conditions, good corrosion resistance.

Lubrication

Whether grease or oil is used, a good quality lubricant will reduce friction and wear by separating a bronze bushing from its shaft. To protect the bushing and lubricant in highly contaminated environments, Viiplus recommends using seals.

Structure

Our material is made of strong cast bronze based metal with special solid lubricants embedded. The base metal withstands high load and the solid lubricants provide self-lubrication. The bearing shows excellent performance without pre-lubrication under conditions of extreme high/low temperature with low speed. This material provides a maintenance-free bearing solution, particularly for highload, intermittent of oscillating motion.

Technical Data:

Max. Load P Static 120 N/mm2
Dynamic 40 N/mm2
Max. sliding speed V(m/s) 2.5 m/s
Max. PV factor (N/mm2.m/s) 2.8 N/mm2.m/s
Operating Temperature Max. Greased 150°C
Max. Oil lubricated 250°C
Coefficient of friction 0.06~0.15μ
Surface roughness (Ra) ≤ 0.8 µm
Surface hardness Normal >200 HB
For longer service life >350 HB

Di Ød Do ØD L10 L15 L20 L25 L30 L35 L40 L50 L60 L70 L80 L90 L100
10 12 1010 1015 1020
12 14 1210 1215 1220
14 16 1410 1415 1420 1425
15 17 1510 1515 1520 1525
16 18 1610 1615 1620 1625
18 20 1810 1815 1820 1825
20 23 2010 2015 2020 2025
22 25 2210 2215 2220 2225 2230
24 27 2415 2420 2425 2430
25 28 2515 2520 2525 2530
28 31 2815 2820 2825 2830
30 34 3015 3020 3025 3030 3035 3040
32 36 3215 3220 3225 3230 3235 3240
35 39 3515 3520 3525 3530 3535 3540
40 44 4020 4025 4030 4035 4040 4050
45 50 4520 4525 4530 4535 4540 4550
50 55 5020 5025 5030 5035 5040 5050 5060
55 60 5520 5525 5530 5535 5540 5550 5560
60 65 6025 6030 6035 6040 6050 6060 6070
65 70 6530 6535 6540 6550 6560 6570
70 75 7030 7035 7040 7050 7060 7070 7080
75 80 7530 7535 7540 7550 7560 7570 7580
80 85 8030 8035 8040 8050 8060 8070 8080
85 90 8530 8535 8540 8550 8560 8570 8580 8590
90 95 9030 9035 9040 9050 9060 9070 9080 9090
95 100 9540 9550 9560 9570 9580 9590 95100
Di Ød Do ØD L50 L60 L70 L80 L90 L100
100 105 10050 10060 10070 10080 10090 100100
105 110 10550 10560 10570 10580 10590 105100
110 115 11050 11060 11070 11080 11090 110100
115 120 11550 11560 11570 11580 11590 115100
120 125 12060 12070 12080 12090 120100
125 130 12560 12570 12580 12590 125100
130 135 13060 13070 13080 13090 130100
135 140 13560 13570 13580 13590 135100
140 145 14060 14070 14080 14090 140100
145 150 14560 14570 14580 14590 145100
150 155 15060 15070 15080 15090 150100
155 160 15560 15570 15580 15590 155100
160 165 16060 16070 16080 16090 160100
165 170 16560 16570 16580 16590 165100
170 175 17060 17070 17080 17090 170100
175 180 17560 17570 17580 17590 175100
180 185 18060 18070 18080 18090 180100
185 190 18560 18570 18580 18590 185100
190 195 19060 19070 19080 19090 190100
195 200 19560 19570 19580 19590 195100
200 205 20060 20070 20080 20090 200100
205 210 20560 20570 20580 20590 205100
215 220 21560 21570 21580 21590 215100
225 230 22560 22570 22580 22590 225100
230 235 23060 23070 23080 23090 230100
240 245 24060 24070 24080 24090 240100
250 255 25060 25070 25080 25090 250100
260 265 26060 26070 26080 26090 260100
270 275 27060 27070 27080 27090 270100
280 285 28060 28070 28080 28090 280100
290 295 29060 29070 29080 29090 290100
300 305 30060 30070 30080 30090 300100

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