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.
Wrapped bronze sliding bearing, with lubrication pockets • Low-maintenance • DIN 1494 / ISO 3547
PROPERTIES Good load capacity and stability at low abrasion, suited for rough operation, corrosion resistant.
Matereial CuSn8P (DIN 17662)
Cylindrical bushing
Flange bushing
Thrust washer
Strips
Materials
Wrapped bronze bearings are made entirely from phosphor bronze CuSn8. CuSn8 is characterized by the purity of the alloy with only a very low level of impurities. Wrapped bronze bearings are produced from strips that are subsequently wrapped and calibrated.
Lubrication
Wrapped bronze bearings must be lubricated with grease or oil on installation. A good quality lubricant is essential as it will reduce friction and wear by forming a film between the plain bearing and the shaft. For heavily contaminated applications, we recommend sealing off the bearing. This will protect both the bearing and the lubricant.
Advantages
The main advantages of wrapped bronze bearings include:
Long service intervals
Not affected by impurities
Suitable for corrosive environments
Suitable for impact loads and vibrations at low speeds
Good heat dissipation
Wrapped bronze bushes
Wrapped bronze bushes and flanged bushes are ideal for applications where there are high levels of contamination. Their sliding surface is provided with diamond-shaped lubrication pockets or a hole pattern.
Maintenance
090 & 090 bronze series bearings are low-maintenance bronze sliding bearings, primary lubrication is necessary.
Oil or grease lubrication is possible. Due to lubrication diamond pockets lubrication intervals are reduced to a minimum!
Wheter grease or oil is used, a good quality lubricant will reduce friction and wear by separating a bronze bushing from its shaft.
Advantages of wrapped bronze bushings include:
insensitive to contaminated environments
resistant to shcok loads and vibrations at slow speeds
good resistance to corrosive environments
Mounting Advice
Housing Shaft Force fitting mandrel Mounting chamfer, min. 1. 5 mm x 15-45°
Mounting chamfer, 5 mm x 15°, edges rounded Application of an adequate force fitting mandrel is advisable.
Grease lubrication of the outer surface may be necessary when mounting.
Long service intervals under severe operating circumstances.
Wrapped bronze bearings are ideal for applications where there are high levels of contamination. Their running surface is provided with diamond-shaped lubrication pockets or a hole pattern. The lubrication pockets must be filled with grease when the bearing is installed. The wrapped bronze bearings are produced according to the ISO 3547.
Application
Bronze Bushing for Agriculture machinery, truck cranes & construction machinery, suitable for impact loads.
Wrapped bronze bearings are especially suited to severe operating conditions where frequent maintenance is not possible. Common applications are:
Agricultural vehicles
Lifting gear
Offshore
Excavators
Technical Data
Base Material
CuSn8P0.3/CuSn6.5P0.1
Hardness
HB90 HB120
Temperature Range
-80°C +200°C
Resilience
75N/mm²
Sliding Speed Limit
2.5m/s
CHOOSE YOUR BRONZE BUSHINGS SIZE.
I.D.
O.D.
f 1
f 2
L 0
-0.40
10
15
20
25
30
35
40
50
60
70
80
10
12
1010
1015
1020
12
14
1210
1215
1220
14
+ 0.043
0
16
+ 0.065
+ 0.030
0.5
0.3
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
+ 0.075
0.8
2210
2215
2220
2225
24
+ 0.052
27
+ 0.035
2415
2420
2425
2430
25
0
28
2515
2520
2525
2530
28
32
2815
2820
2825
2830
30
34
3015
3020
3025
3030
3035
3040
32
36
+ 0.085
1.0
0.6
3215
3220
3225
3230
3235
3240
35
39
+ 0.045
3515
3520
3525
3530
3535
3540
40
+ 0.062
0
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
+ 0.100
1.2
0.8
6025
6030
6035
6040
6050
6060
6070
65
+ 0.074
70
+ 0.055
6530
6535
6540
6550
6560
6570
70
0
75
7030
7035
7040
7050
7060
7070
7080
75
80
7530
7535
7540
7550
7560
7570
7580
80
85
+ 0.120
+ 0.070
1.4
8030
8035
8040
8050
8060
8070
8080
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