MG-2Y Cylindrical  Bushings Specication & Tolerance

◆ Introduction:

MG-2Y can work for a long time without oil in the condition of prelubricated with lubrication indents design. It is widely applied in metallurgy machinery, mining machinery, water conservancy machinery, automobile, building machinery, agriculture machinery, rolling steel industry etc.


◆ Material Structure

1. POM with fiber 0.3~0.5mm

2. Porous bronze 0.2~0.35mm

3. Steel backing 0.4~2.2mm

4. Plated coating: Tin plating 0.005mm or Copper plating 0.008mm

5.材料.png


Technical Data

Technical Data
Max.loadStatic250N/mm2
Very low speed140N/mm
Roatating oscillating 70N/mm
Max. PV (dry running)3N/mm ·m/s
Temp. limit -40~+110
Friction coenncient 0.05~0.20
Max. speedGrease Lubrication: 2m/s
Oil continued to  >2m/s
Thermal conductivity 50 W(m·k)-1
Coenncient of thermal expansion 11×10 ·K
Initial pre-lubrication at assembly is strongly  recommended


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SelectInquiryLengthShaft(f7) (mm)ToleranceHousing (H7)ToleranceODToleranceID After fixed Di,aClearance DDWall thick- ness S3Oil hole dL
1015202530405060809095100110120
MG-2 1010 MG-2 1015 MG-2 1020 - - - - - - - - - - - - 10 -0.022 12 +0.018 12 +0.065 +0.030 10.108 10.040 0.130 0.040 0.980 0.955 4
MG-2 1210 MG-2 1215 MG-2 1220 - - - - - - - - - - - - 12 -0.027 14 +0.018 14 +0.065 +0.030 12.108 12.040 0.135 0.040 0.980 0.955 4
- MG-2 1415 MG-2 1420 - - - - - - - - - - - - 14 -0.027 16 +0.018 16 +0.065 +0.030 14.108 14.040 0.135 0.040 0.980 0.955 4
- MG-2 1515 MG-2 1520 MG-2 1525 - - - - - - - - - - - 15 -0.027 17 +0.018 17 +0.065 +0.030 15.108 15.040 0.135 0.040 0.980 0.955 4
- MG-2 1615 MG-2 1620 MG-2 1625 - - - - - - - - - - - 16 -0.027 18 +0.018 18 +0.065 +0.030 16.108 16.040 0.135 0.040 0.980 0.955 4
- MG-2 1815 MG-2 1820 MG-2 1825 - - - - - - - - - - - 18 -0.027 20 +0.021 20 +0.075 +0.035 18.111 18.040 0.138 0.040 1.475 1.445 4
- MG-2 2015 MG-2 2020 MG-2 2025 MG-2 2030 - - - - - - - - - - 20 -0.033 23 +0.021 23 +0.075 +0.035 20.131 20.050 0.164 0.050 1.475 1.445 4
- MG-2 2215 MG-2 2220 MG-2 2225 MG-2 2230 - - - - - - - - - - 22 -0.033 25 +0.021 25 +0.075 +0.035 22.131 22.050 0.164 0.050 1.475 1.445 4
- MG-2 2515 MG-2 2520 MG-2 2525 MG-2 2530 - - - - - - - - - - 25 -0.033 28 +0.021 28 +0.075 +0.035 25.131 25.050 0.164 0.050 1.97 1.935 6
- - MG-2 2820 MG-2 2825 MG-2 2830 - - - - - - - - - - 28 -0.033 32 +0.025 32 +0.085 +0.045 28.155 28.060 0.188 0.060 1.970 1.935 6
- - MG-2 3020 MG-2 3025 MG-2 3030 MG-2 3035 MG-2 3040 - - - - - - - - 30 -0.033 34 +0.025 34 +0.085 +0.045 30.155 30.060 0.188 0.060 1.970 1.935 6
- - MG-2 3520 MG-2 3525 MG-2 3530 MG-2 3535 MG-2 3540 - - - - - - - - 35 -0.039 39 +0.025 39 +0.085 +0.045 35.155 35.060 0.194 0.060 1.970 1.935 6
- - MG-2 4020 MG-2 4025 MG-2 4030 MG-2 4035 MG-2 4040 MG-2 4045 MG-2 4050 - - - - - - 40 -0.039 44 +0.025 44 +0.085 +0.045 40.155 40.060 0.194 0.060 1.970 1.935 8
- - MG-2 4520 MG-2 4525 MG-2 4530 MG-2 4535 MG-2 4540 MG-2 4545 MG-2 4550 - - - - - - 45 -0.039 50 +0.025 50 +0.085 +0.045 45.195 45.080 0.234 0.080 2.460 2.415 8
- - - - MG-2 5030 MG-2 5035 MG-2 5040 MG-2 5045 MG-2 5050 MG-2 5060 - - - - - 50 -0.039 55 +0.030 55 +0.100 +0.055 50.200 50.080 0.239 0.080 2.460 2.415 8
- - - - MG-2 5530 MG-2 5535 MG-2 5540 MG-2 5545 MG-2 5550 MG-2 5560 - - - - - 55 -0.046 60 +0.030 60 +0.100 +0.055 55.200 55.080 0.246 0.080 2.460 2.415 8
- - - - MG-2 6030 MG-2 6035 MG-2 6040 MG-2 6045 MG-2 6050 MG-2 6060 - - - - - 60 -0.046 65 +0.030 65 +0.100 +0.055 60.200 60.080 0.246 0.080 2.460 2.415 8
- - - - - - MG-2 6540 MG-2 6550 MG-2 6560 - - - - - - 65 -0.046 70 +0.030 70 +0.100 +0.055 65.200 65.080 0.246 0.080 2.460 2.415 8
- - - - - - MG-2 7040 MG-2 7050 MG-2 7060 MG-2 7080 - - - - - 70 -0.046 75 +0.030 75 +0.100 +0.055 70.200 70.080 0.246 0.080 2.460 2.415 8
- - - - - - MG-2 7540 MG-2 7550 MG-2 7560 MG-2 7580 - - - - - 75 -0.046 80 +0.030 80 +0.100 +0.055 75.200 75.080 0.246 0.080 2.460 2.415 8
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1. Good load capacity and anti-wear.

2. It is used in high load capacities and low speed with rotating, oscillating or frequent stop-start motion.

3. It can work for a long time without oil in the condition of boundary lubrication, but to oil or grease lubrication periodically, the working life span will become longer.

4. It is machinable for the thicker layer of POM.

5. The bushes can be applied  in auto chassis, forging machines, metallurgicals, civil engineerings, power stations, strip rolling industries etc.

6. MG-2Y is widely used in the machine where lead is unacceptable.


Application

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