Oil-Free Bushings made from Copper Alloy and featuring a Thrust Type design, such as the MPKZ30-20 model, are precision-engineered components that provide exceptional wear resistance and self-lubricating properties. The use of copper alloy as the primary material ensures durability and high mechanical strength, making these bushings suitable for high-load and high-friction applications.
The thrust type design of these bushings allows them to effectively handle thrust loads, making them ideal for use in rotating or reciprocating motion applications. The self-lubricating nature of the material eliminates the need for regular lubrication, reducing maintenance requirements and operational costs.
The MPKZ30-20 model, specifically, is tailored to meet the demands of specific industrial applications. Its dimensions and tolerances are carefully controlled to ensure a perfect fit and optimal performance. Wh used in machinery, pumps, motors, or other industrial equipment, these bushings provide a smooth and efficient operating surface that helps reduce friction and wear.
Overall, Oil-Free Bushings made from Copper Alloy with a Thrust Type design, like the MPKZ30-20 model, are a cost-effective and long-lasting solution for industrial applications that require oil-free, self-lubricating components.

| Part Number | - | L |
| MPGZ10 MPSZ12 MPKZ16 |
- - - |
15 15 20 |
| Part Number | L | Dr6 | H | t | Housing Dia. (Recommended Dimension) | |||||||||||||||
| Type | dE7 | Reference Dimension | Tolerance (H7) | |||||||||||||||||
| MPGZ (Standard) |
6 | +0.032 +0.020 |
10 | 12 | 12 | +0.034 +0.023 |
22 | 3 | 12 | + 0.018 0 |
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| 8 | +0.040 +0.025 |
10 | 12 | 15 | 14 | 25 | 14 | |||||||||||||
| 10 | 10 | 12 | 15 | 20 | 16 | 16 | ||||||||||||||
| 12 | +0.050 +0.032 |
10 | 12 | 15 | 20 | 25 | 18 | 30 | 18 | |||||||||||
| 13 | 12 | 15 | 20 | 25 | 19 | +0.041 +0.028 |
19 | + 0.021 0 |
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| 15 | 12 | 15 | 20 | 25 | 21 | 35 | 21 | |||||||||||||
| 16 | 12 | 15 | 20 | 25 | 30 | 22 | 22 | |||||||||||||
| 18 | 14 | 20 | 25 | 30 | 35 | 24 | 40 | 24 | ||||||||||||
| 20 | +0.061 +0.040 |
14 | 20 | 25 | 30 | 35 | 40 | 28 | 45 | 5 | 28 | |||||||||
| 25 | 14 | 20 | 25 | 30 | 35 | 40 | 33 | +0.050 +0.034 |
50 | 33 | + 0.025 0 |
|||||||||
| 30 | 20 | 25 | 30 | 35 | 40 | 38 | 55 | 38 | ||||||||||||
| 35 | +0.075 +0.050 |
20 | 25 | 30 | 35 | 40 | 44 | 65 | 44 | |||||||||||
| 40 | 25 | 30 | 35 | 40 | 45 | 50 | 50 | 70 | 7 | 50 | ||||||||||
| 50 | 30 | 35 | 40 | 45 | 50 | 60 | 62 | +0.060 +0.041 |
90 | 8 | 62 | + 0.030 0 |
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| Part Number | L | Dm6 | MPSZ | MPKZ | Housing Dia. (Recommended Dimension) |
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| H | Mounting Hole | t | H | Mounting Hole | Accessories: Hex Socket Low Head Cap Screw |
t | |||||||||||||||||||||||
| Type | dF7 | P.C.D | d1 | d2 | h | Flat-head Countersunk Screw |
P.C.D | d1 | d2 | h | Reference Dimension | Tolerance (H7) | |||||||||||||||||
| MPSZ (Flat-head Countersunk Screw Hole) MPKZ (Low Head Screw Hole) |
6 | +0.022 +0.010 |
10 | 12 | 10 | +0.015 +0.006 |
25 | 15 | 8.5 | 3.5 | 2.5 | M3 | 3 | 25 | 17 | 6 | 3.5 | 2.2 | M3-10x2 pcs. | 4 | 10 | + 0.015 0 |
|||||||
| 8 | +0.028 +0.013 |
12 | 15 | 12 | +0.018 +0.007 |
28 | 18 | 27 | 19 | 12 | + 0.018 0 |
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| 10 | 12 | 15 | 20 | 14 | 30 | 20 | 29 | 21 | 14 | ||||||||||||||||||||
| 12 | +0.034 +0.016 |
12 | 15 | 20 | 18 | 40 | 28 | 36 | 26 | 7.5 | 4.5 | 3 | M4-12x2 pcs. | 5 | 18 | ||||||||||||||
| 15 | 12 | 15 | 20 | 21 | +0.021 +0.008 |
50 | 35 | 39 | 29 | M4-12x4 pcs. | 21 | + 0.021 0 |
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| 16 | 12 | 15 | 20 | 25 | 30 | 22 | 40 | 30 | 22 | ||||||||||||||||||||
| 18 | 20 | 25 | 30 | 24 | 42 | 32 | 24 | ||||||||||||||||||||||
| 20 | +0.041 +0.020 |
20 | 25 | 30 | 35 | 40 | 28 | 13 | 6 | 3.5 | M5 | 5 | 49 | 38 | 9 | 5.5 | 3.7 | M5-16x4 pcs. | 6 | 28 | |||||||||
| 25 | 20 | 25 | 30 | 35 | 40 | 33 | +0.025 +0.009 |
55 | 40 | 54 | 43 | 33 | + 0.025 0 |
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| 30 | 20 | 25 | 30 | 35 | 40 | 38 | 60 | 45 | 63 | 50 | 11 | 6.6 | 4.2 | M6-20x4 pcs. | 8 | 38 | |||||||||||||
| 35 | +0.050 +0.025 |
20 | 25 | 30 | 35 | 40 | 44 | 70 | 52 | 69 | 56 | 44 | |||||||||||||||||
| 40 | 25 | 30 | 35 | 40 | 45 | 50 | 80 | 60 | 16 | 7 | 4.5 | M6 | 7 | 82 | 66 | 14 | 9 | 5.2 | M8-25x4 pcs. | 10 | 50 | ||||||||
| 50 | 30 | 35 | 40 | 45 | 62 | +0.030 +0.011 |
100 | 75 | 8 | 94 | 78 | 62 | + 0.030 0 |
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| Bushing Material | Graphite Impregnated Brass | Maximum Allowable PV Value Range(N/mm2•m/s) | 1.1 to 2.0 | Maximum Allowable PV Value(N/mm2•m/s) | 1.65 |
|---|---|---|---|---|---|
| Maximum Allowable Load(N/mm2) | 29 | Maximum Allowable Velocity(m/s) | 0.5 | Mounting Hole Fits | H7 |
| Operating Temperature Range(℃) | -40::150 |

| Bronze material |
CuZn25Al6Fe3Mn3 +SL2 |
CuSn5Pb5Zn5 +SL2 |
CuAl10Fe5Ni5 +SL2 |
CuSn12 +SL2 |
|
| Cu% | Rest | 85 | 80 | 88 | |
| Sn% | -- | 5 | -- | 12 | |
| Pb% | -- | 5 | -- | -- | |
| Zn% | 25 | 5 | -- | -- | |
| Al% | 6 | -- | 10 | -- | |
| Ni% | -- | -- | 5 | -- | |
| Fe% | 3 | -- | 5 | -- | |
| Mn% | 3 | -- | -- | -- | |
| Density | 8.2 g/cm3 | 8.8 g/cm3 | 8.5 g/cm3 | 8.8 g/cm3 | |
| Hardness | >HB210 | >HB70 | >HB150 | >HB80 | |
| Max. Load Pressure | 100 N/mm2 | 40 N/mm2 | 50 N/mm2 | 45 N/mm2 | |
| Max. Linear Speed | 0.5 m/s(dry) | 0.4 m/s(dry) | 0.25 m/s(dry) | 0.5 m/s(dry) | |
| Max. PV | 1.65 N/mm2 * m/s | 1.00 N/mm2 * m/s | 1.25 N/mm2 * m/s | 1.20 N/mm2 * m/s | |
| Tensile Strength | >750 N/mm2 | >200 N/mm2 | >500 N/mm2 | >360 N/mm2 | |
| Elongation | >12 % | >15 % | >10 % | >8 % | |
| Temperature Limit | -40 ~ +300 oC | -40 ~ +250 oC | -40 ~ +400 oC | -40 ~ +300 oC |
Products Standard: ISO 4379 (replaces DIN 1850)
Solid Lubricants
| Code | Material | Features | Application |
| SL2 | Graphite composite |
Low friction |
Widely used for machinery |
| SL4 | +MoS2 composite |
Water contacting lubricating |

| JFB · Solid Self-Lubricating Inlaid Flange Bearing · L tol. -0.10/-0.30 · Unit: mm | |||||||||||
| No. | Part No. | Unique Key | d Bore (mm) | D OD (mm) | L Length (mm) | F Flange OD (mm) | L1 Flange Thickness (mm) | L Tol. | d Tol. (E7) | D Tol. (r6) | Remarks |
| 1 | 1015 | JFB-10-15 | 10 | 14 | 15 | 22 | 2 | -0.10/-0.30 | +0.040/+0.025 | +0.034/+0.023 | |
| 2 | 1020 | JFB-10-20 | 10 | 14 | 20 | 22 | 2 | -0.10/-0.30 | +0.040/+0.025 | +0.034/+0.023 | |
| 3 | 1215 | JFB-12-15 | 12 | 18 | 15 | 25 | 3 | -0.10/-0.30 | +0.050/+0.032 | +0.034/+0.023 | |
| 4 | 1220 | JFB-12-20 | 12 | 18 | 20 | 25 | 3 | -0.10/-0.30 | +0.050/+0.032 | +0.034/+0.023 | |
| 5 | 1315 | JFB-13-15 | 13 | 19 | 15 | 26 | 3 | -0.10/-0.30 | +0.050/+0.032 | +0.041/+0.028 | |
| 6 | 1320 | JFB-13-20 | 13 | 19 | 20 | 26 | 3 | -0.10/-0.30 | +0.050/+0.032 | +0.041/+0.028 | |
| 7 | 1415 | JFB-14-15 | 14 | 20 | 15 | 27 | 3 | -0.10/-0.30 | +0.050/+0.032 | +0.041/+0.028 | |
| 8 | 1420 | JFB-14-20 | 14 | 20 | 20 | 27 | 3 | -0.10/-0.30 | +0.050/+0.032 | +0.041/+0.028 | |
| 9 | 1425 | JFB-14-25 | 14 | 20 | 25 | 27 | 3 | -0.10/-0.30 | +0.050/+0.032 | +0.041/+0.028 | |
| 10 | 1515 | JFB-15-15 | 15 | 21 | 15 | 28 | 3 | -0.10/-0.30 | +0.050/+0.032 | +0.041/+0.028 | |
| 11 | 1520 | JFB-15-20 | 15 | 21 | 20 | 28 | 3 | -0.10/-0.30 | +0.050/+0.032 | +0.041/+0.028 | |
| 12 | 1525 | JFB-15-25 | 15 | 21 | 25 | 28 | 3 | -0.10/-0.30 | +0.050/+0.032 | +0.041/+0.028 | |
| 13 | 1530 | JFB-15-30 | 15 | 21 | 30 | 28 | 3 | -0.10/-0.30 | +0.050/+0.032 | +0.041/+0.028 | |
| 14 | 1615 | JFB-16-15 | 16 | 22 | 15 | 29 | 3 | -0.10/-0.30 | +0.050/+0.032 | +0.041/+0.028 | |
| 15 | 1620 | JFB-16-20 | 16 | 22 | 20 | 29 | 3 | -0.10/-0.30 | +0.050/+0.032 | +0.041/+0.028 | |
| 16 | 1625 | JFB-16-25 | 16 | 22 | 25 | 29 | 3 | -0.10/-0.30 | +0.050/+0.032 | +0.041/+0.028 | |
| 17 | 1630 | JFB-16-30 | 16 | 22 | 30 | 29 | 3 | -0.10/-0.30 | +0.050/+0.032 | +0.041/+0.028 | |
| 18 | 2020 | JFB-20-20 | 20 | 30 | 20 | 40 | 5 | -0.10/-0.30 | +0.061/+0.040 | +0.041/+0.028 | |
| 19 | 2025 | JFB-20-25 | 20 | 30 | 25 | 40 | 5 | -0.10/-0.30 | +0.061/+0.040 | +0.041/+0.028 | |
| 20 | 2030 | JFB-20-30 | 20 | 30 | 30 | 40 | 5 | -0.10/-0.30 | +0.061/+0.040 | +0.041/+0.028 | |
| 21 | 2035 | JFB-20-35 | 20 | 30 | 35 | 40 | 5 | -0.10/-0.30 | +0.061/+0.040 | +0.041/+0.028 | |
| 22 | 2520 | JFB-25-20 | 25 | 35 | 20 | 45 | 5 | -0.10/-0.30 | +0.061/+0.040 | +0.050/+0.034 | |
| 23 | 2525 | JFB-25-25 | 25 | 35 | 25 | 45 | 5 | -0.10/-0.30 | +0.061/+0.040 | +0.050/+0.034 | |
| 24 | 2530 | JFB-25-30 | 25 | 35 | 30 | 45 | 5 | -0.10/-0.30 | +0.061/+0.040 | +0.050/+0.034 | |
| 25 | 2535 | JFB-25-35 | 25 | 35 | 35 | 45 | 5 | -0.10/-0.30 | +0.061/+0.040 | +0.050/+0.034 | |
| 26 | 2540 | JFB-25-40 | 25 | 35 | 40 | 45 | 5 | -0.10/-0.30 | +0.061/+0.040 | +0.050/+0.034 | |
| 27 | 3020 | JFB-30-20 | 30 | 40 | 20 | 50 | 5 | -0.10/-0.30 | +0.061/+0.040 | +0.050/+0.034 | |
| 28 | 3025 | JFB-30-25 | 30 | 40 | 25 | 50 | 5 | -0.10/-0.30 | +0.061/+0.040 | +0.050/+0.034 | |
| 29 | 3030 | JFB-30-30 | 30 | 40 | 30 | 50 | 5 | -0.10/-0.30 | +0.061/+0.040 | +0.050/+0.034 | |
| 30 | 3035 | JFB-30-35 | 30 | 40 | 35 | 50 | 5 | -0.10/-0.30 | +0.061/+0.040 | +0.050/+0.034 | |
| 31 | 3040 | JFB-30-40 | 30 | 40 | 40 | 50 | 5 | -0.10/-0.30 | +0.061/+0.040 | +0.050/+0.034 | |
| 32 | 3050 | JFB-30-50 | 30 | 40 | 50 | 50 | 5 | -0.10/-0.30 | +0.061/+0.040 | +0.050/+0.034 | |
| 33 | 3525 | JFB-35-25 | 35 | 45 | 25 | 60 | 5 | -0.10/-0.30 | +0.075/+0.050 | +0.050/+0.034 | |
| 34 | 3530 | JFB-35-30 | 35 | 45 | 30 | 60 | 5 | -0.10/-0.30 | +0.075/+0.050 | +0.050/+0.034 | |
| 35 | 3535 | JFB-35-35 | 35 | 45 | 35 | 60 | 5 | -0.10/-0.30 | +0.075/+0.050 | +0.050/+0.034 | |
| 36 | 3540 | JFB-35-40 | 35 | 45 | 40 | 60 | 5 | -0.10/-0.30 | +0.075/+0.050 | +0.050/+0.034 | |
| 37 | 3550 | JFB-35-50 | 35 | 45 | 50 | 60 | 5 | -0.10/-0.30 | +0.075/+0.050 | +0.050/+0.034 | |
| 38 | 4030 | JFB-40-30 | 40 | 50 | 30 | 65 | 5 | -0.10/-0.30 | +0.075/+0.050 | +0.050/+0.034 | |
| 39 | 4035 | JFB-40-35 | 40 | 50 | 35 | 65 | 5 | -0.10/-0.30 | +0.075/+0.050 | +0.050/+0.034 | |
| 40 | 4040 | JFB-40-40 | 40 | 50 | 40 | 65 | 5 | -0.10/-0.30 | +0.075/+0.050 | +0.050/+0.034 | |
| 41 | 4050 | JFB-40-50 | 40 | 50 | 50 | 65 | 5 | -0.10/-0.30 | +0.075/+0.050 | +0.050/+0.034 | |
| 42 | 4530 | JFB-45-30 | 45 | 55 | 30 | 70 | 5 | -0.10/-0.30 | +0.075/+0.050 | +0.060/+0.041 | |
| 43 | 4535 | JFB-45-35 | 45 | 55 | 35 | 70 | 5 | -0.10/-0.30 | +0.075/+0.050 | +0.060/+0.041 | |
| 44 | 4540 | JFB-45-40 | 45 | 55 | 40 | 70 | 5 | -0.10/-0.30 | +0.075/+0.050 | +0.060/+0.041 | |
| 45 | 4550 | JFB-45-50 | 45 | 55 | 50 | 70 | 5 | -0.10/-0.30 | +0.075/+0.050 | +0.060/+0.041 | |
| 46 | 4560 | JFB-45-60 | 45 | 55 | 60 | 70 | 5 | -0.10/-0.30 | +0.075/+0.050 | +0.060/+0.041 | |
| 47 | 5035 | JFB-50-35 | 50 | 60 | 35 | 75 | 5 | -0.10/-0.30 | +0.075/+0.050 | +0.060/+0.041 | |
| 48 | 5040 | JFB-50-40 | 50 | 60 | 40 | 75 | 5 | -0.10/-0.30 | +0.075/+0.050 | +0.060/+0.041 | |
| 49 | 5050 | JFB-50-50 | 50 | 60 | 50 | 75 | 5 | -0.10/-0.30 | +0.075/+0.050 | +0.060/+0.041 | |
| 50 | 5060 | JFB-50-60 | 50 | 60 | 60 | 75 | 5 | -0.10/-0.30 | +0.075/+0.050 | +0.060/+0.041 | |
| 51 | 5540 | JFB-55-40 | 55 | 65 | 40 | 80 | 5 | -0.10/-0.30 | +0.090/+0.060 | +0.060/+0.041 | |
| 52 | 5550 | JFB-55-50 | 55 | 65 | 50 | 80 | 5 | -0.10/-0.30 | +0.090/+0.060 | +0.060/+0.041 | |
| 53 | 5560 | JFB-55-60 | 55 | 65 | 60 | 80 | 5 | -0.10/-0.30 | +0.090/+0.060 | +0.060/+0.041 | |
| 54 | 6040 | JFB-60-40 | 60 | 75 | 40 | 90 | 7.5 | -0.10/-0.30 | +0.090/+0.060 | +0.062/+0.043 | |
| 55 | 6050 | JFB-60-50 | 60 | 75 | 50 | 90 | 7.5 | -0.10/-0.30 | +0.090/+0.060 | +0.062/+0.043 | |
| 56 | 6060 | JFB-60-60 | 60 | 75 | 60 | 90 | 7.5 | -0.10/-0.30 | +0.090/+0.060 | +0.062/+0.043 | |
| 57 | 6080 | JFB-60-80 | 60 | 75 | 80 | 90 | 7.5 | -0.10/-0.30 | +0.090/+0.060 | +0.062/+0.043 | |
| 58 | 7050 | JFB-70-50 | 70 | 85 | 50 | 105 | 7.5 | -0.10/-0.30 | +0.090/+0.060 | +0.073/+0.051 | |
| 59 | 7060 | JFB-70-60 | 70 | 85 | 60 | 105 | 7.5 | -0.10/-0.30 | +0.090/+0.060 | +0.073/+0.051 | |
| 60 | 7080 | JFB-70-80 | 70 | 85 | 80 | 105 | 7.5 | -0.10/-0.30 | +0.090/+0.060 | +0.073/+0.051 | |
| 61 | 7550 | JFB-75-50 | 75 | 90 | 50 | 110 | 7.5 | -0.10/-0.30 | +0.090/+0.060 | +0.073/+0.051 | |
| 62 | 7560 | JFB-75-60 | 75 | 90 | 60 | 110 | 7.5 | -0.10/-0.30 | +0.090/+0.060 | +0.073/+0.051 | |
| 63 | 7580 | JFB-75-80 | 75 | 90 | 80 | 110 | 7.5 | -0.10/-0.30 | +0.090/+0.060 | +0.073/+0.051 | |
| 64 | 75100 | JFB-75-100 | 75 | 90 | 100 | 110 | 7.5 | -0.10/-0.30 | +0.090/+0.060 | +0.073/+0.051 | |
| 65 | 8060 | JFB-80-60 | 80 | 100 | 60 | 120 | 10 | -0.10/-0.30 | +0.090/+0.060 | +0.073/+0.051 | |
| 66 | 8080 | JFB-80-80 | 80 | 100 | 80 | 120 | 10 | -0.10/-0.30 | +0.090/+0.060 | +0.073/+0.051 | |
| 67 | 80100 | JFB-80-100 | 80 | 100 | 100 | 120 | 10 | -0.10/-0.30 | +0.090/+0.060 | +0.073/+0.051 | |
| 68 | 9060 | JFB-90-60 | 90 | 110 | 60 | 130 | 10 | -0.10/-0.30 | +0.107/+0.072 | +0.076/+0.054 | |
| 69 | 9080 | JFB-90-80 | 90 | 110 | 80 | 130 | 10 | -0.10/-0.30 | +0.107/+0.072 | +0.076/+0.054 | |
| 70 | 90100 | JFB-90-100 | 90 | 110 | 100 | 130 | 10 | -0.10/-0.30 | +0.107/+0.072 | +0.076/+0.054 | |
| 71 | 10060 | JFB-100-60 | 100 | 120 | 60 | 150 | 10 | -0.10/-0.30 | +0.107/+0.072 | +0.076/+0.054 | |
| 72 | 10080 | JFB-100-80 | 100 | 120 | 80 | 150 | 10 | -0.10/-0.30 | +0.107/+0.072 | +0.076/+0.054 | |
| 73 | 100100 | JFB-100-100 | 100 | 120 | 100 | 150 | 10 | -0.10/-0.30 | +0.107/+0.072 | +0.076/+0.054 | |
| 74 | 12060 | JFB-120-60 | 120 | 140 | 60 | 170 | 10 | -0.10/-0.30 | +0.107/+0.072 | +0.088/+0.063 | |
| 75 | 12080 | JFB-120-80 | 120 | 140 | 80 | 170 | 10 | -0.10/-0.30 | +0.107/+0.072 | +0.088/+0.063 | |
| 76 | 120100 | JFB-120-100 | 120 | 140 | 100 | 170 | 10 | -0.10/-0.30 | +0.107/+0.072 | +0.088/+0.063 | |