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Oil Free Bushings Copper Alloy Thrust Type (E-MUKZ12-20)
- Volume Discount
- Oil Free Bushings Copper Alloy Thrust Type, E-MUGZ / E-MUKZ series from MISUMI.
- Recommended mating shaft for I.D. of Copper oil-free bushing are d8: General use (High Load), e7: General use (Light Load), f8: High precision use, g6: High precision use (Intermittent operation).
- The Copper oil-free bushing E-MUGZ / E-MUKZ series is made of High tensile brass alloy with solid lubricant embedded.
- It is recommended to fix the bushing with anti-rotation screw.
- Accessories: Low head hexagon socket head screws 2 to 4 pcs.
Part Number
Configured Part Number is shown.
E-MUKZ12-20
Dimensional Drawing of Oil Free Bushings
Specification Table of Oil Free Bushings
Follow the selection procedure of Oil Free Bushings
～
to select the type and parameters before ordering.Part Number of Oil Free Bushings (Type of Oil Free Bushings· d) | - | L |
| E-MUGZ | - | 20 |
| Part Number of Oil Free Bushings | L | Dr6 | H | t | Diameter of holder (recommended size) | |||||||||||||
| Type of Oil Free Bushings | dE7 | Reference dimension | Tolerance (H7) | |||||||||||||||
| Standard Type E-MUGZ | 6 | +0.032 +0.020 | 12 | 12 | +0.034 +0.023 | 22 | 3 | 12 | +0.018 0 | |||||||||
| 8 | +0.040 +0.025 | 10 | 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 | 19 | +0.041 +0.028 | 19 | +0.021 0 | |||||||||||
| 15 | 12 | 15 | 20 | 21 | 35 | 21 | ||||||||||||
| 16 | 15 | 25 | 22 | 22 | ||||||||||||||
| 18 | 14 | 20 | 24 | 40 | 24 | |||||||||||||
| 20 | +0.061 +0.040 | 14 | 20 | 25 | 30 | 40 | 28 | 45 | 5 | 28 | ||||||||
| 25 | 14 | 20 | 25 | 30 | 40 | 33 | +0.050 +0.034 | 50 | 33 | +0.025 0 | ||||||||
| 30 | 20 | 30 | 40 | 38 | 55 | 38 | ||||||||||||
| 40 | +0.075 +0.050 | 30 | 50 | 50 | 70 | 7 | 50 | |||||||||||
| 50 | 40 | 60 | 62 | +0.060 +0.041 | 90 | 8 | 62 | +0.030 0 | ||||||||||
| Part Number of Oil Free Bushings | L | Dm6 | MPSZ | Diameter of holder (recommended size) | ||||||||||||||||||
| H | Mounting Hole | t | ||||||||||||||||||||
| Type of Oil Free Bushings | dF7 | P.C.D | d1 | d2 | h | Flat Head Bolts | Reference dimension | Tolerance (H7) | ||||||||||||||
| Flat Head Bolt Hole Type E-MUSZ | 6 | +0.022 +0.010 | 10 | 12 | 10 | +0.015 +0.006 | 25 | 15 | 8.5 | 3.5 | 2.5 | M3 | 3 | 10 | +0.015 0 | |||||||
| 8 | +0.028 +0.013 | 12 | 12 | +0.018 +0.007 | 28 | 18 | 12 | +0.018 0 | ||||||||||||||
| 10 | 15 | 14 | 30 | 20 | 14 | |||||||||||||||||
| 12 | +0.034 +0.016 | 12 | 15 | 20 | 18 | 40 | 28 | 18 | ||||||||||||||
| 15 | 12 | 15 | 21 | +0.021 +0.008 | 50 | 35 | 21 | +0.021 +0 | ||||||||||||||
| 16 | 12 | 15 | 20 | 22 | 22 | |||||||||||||||||
| 18 | 20 | 24 | 24 | |||||||||||||||||||
| 20 | +0.041 +0.020 | 20 | 30 | 40 | 28 | 13 | 6 | 3.5 | M5 | 5 | 28 | |||||||||||
| 25 | 20 | 25 | 30 | 40 | 33 | +0.025 +0.009 | 55 | 40 | 33 | +0.025 0 | ||||||||||||
| 30 | 25 | 30 | 40 | 38 | 60 | 45 | 38 | |||||||||||||||
| 35 | +0.050 +0.025 | 20 | 25 | 30 | 44 | 70 | 52 | 44 | ||||||||||||||
| 40 | 30 | 35 | 45 | 50 | 80 | 60 | 16 | 7 | 4.5 | M6 | 7 | 50 | ||||||||||
| 50 | 30 | 35 | 62 | +0.030 +0.011 | 100 | 75 | 8 | 62 | +0.030 0 | |||||||||||||
| Part Number | L | Dm6 | MPKZ | Diameter of holder (recommended size) | ||||||||||||||||||
| H | Mounting Hole | Accessories Low head hexagon socket head screws | t | |||||||||||||||||||
| Type | dF7 | P.C.D | d1 | d2 | h | Reference dimension | Tolerance (H7) | |||||||||||||||
| Low Head Bolt Hole Type E-MUKZ | 6 | +0.022 +0.010 | 10 | 12 | 10 | +0.015 +0.006 | 25 | 17 | 6 | 3.5 | 2.2 | M3-10×2 pcs | 4 | 10 | +0.015 0 | |||||||
| 8 | +0.028 +0.013 | 12 | 12 | +0.018 +0.007 | 27 | 19 | 12 | +0.018 0 | ||||||||||||||
| 10 | 15 | 14 | 29 | 21 | 14 | |||||||||||||||||
| 12 | +0.034 +0.016 | 12 | 15 | 20 | 18 | 36 | 26 | 7.5 | 4.5 | 3 | M4-12×2 pcs | 5 | 18 | |||||||||
| 15 | 20 | 21 | +0.021 +0.008 | 39 | 29 | M4-12×4 pcs | 21 | +0.021 +0 | ||||||||||||||
| 16 | 12 | 15 | 22 | 40 | 30 | 22 | ||||||||||||||||
| 20 | +0.041 +0.020 | 25 | 30 | 40 | 28 | 49 | 38 | 9 | 5.5 | 3.7 | M5-16×4 pcs | 6 | 28 | |||||||||
| 25 | 25 | 30 | 40 | 33 | +0.025 +0.009 | 54 | 43 | 33 | +0.025 0 | |||||||||||||
| 30 | 20 | 25 | 30 | 38 | 63 | 50 | 11 | 6.6 | 4.2 | M6-20×4 pcs | 8 | 38 | ||||||||||
| 35 | +0.050 +0.025 | 20 | 30 | 44 | 69 | 56 | 44 | |||||||||||||||
| 40 | 25 | 30 | 40 | 45 | 50 | 82 | 66 | 14 | 9 | 5.2 | M8-25×4 pcs | 10 | 50 | |||||||||
| 50 | 30 | 35 | 45 | 62 | +0.030 +0.011 | 94 | 78 | 62 | +0.030 0 | |||||||||||||
[ ! ]Precautions for use of Oil Free Bushings
·Recommended matching shaft for I.D. F7 type d8: General use (high load) f8: High accuracy use e7: General use (light load) g6: High accuracy use (intermittent operation)
·It is recommended to fix the bushing with anti-rotation screw.
[ M ] Material of Oil Free Bushings: High strength brass alloy
Embedded solid lubricant
[ A ] Accessories: Low head hexagon socket head screws 2 to 4 pcs
Product Overview of Oil Free Bushings
2. Can withstand greater heavy loads than ball bearings.
3. It can be used in ‘high’ and ‘low temperature’ temperature conditions.
4. Compared to ball bearings, the bush thickness is thinner and saves space.
5. Applicable to linear motion and rotary motion.
Product Features of Oil Free Bushings
Feature 2: Best suited for use in heavy load and low speed driving conditions.
Feature 3: Excellent wear resistance in areas where oil film formation is difficult, such as reciprocating motion and frequent starting and stopping.
■ Precise positioning with 7 levels of inner diameter tolerance
・Oil Free Bushings, Misumi economic type has the same inspection standards as MISUMI standard products, and quality inspection is performed before factory shipment to provide products suitable for users.
■ Comparison of specifications (take straight type as an example)
Easy installation of Oil Free Bushings
Specification Overview of Oil Free Bushings
- When assembling, be careful to remove foreign substances from the surface.
- Applying lubricant to the grinding part before assembly can shorten the break-in period and is advantageous for machine operation.
- During assembly, operate slowly and knocking is strictly prohibited to avoid damaging the bearing and causing deformation.
Use Cases of Oil Free Bushings
Caution of Oil Free Bushings
Model selection and precautions for use of Oil Free Bushings
Combined design
- MISUMI miniature ball bush units are recommended to use heat-treated shafts.
- It is recommended to select the holder tolerance as H7 for Misumi miniature ball bushing units.
| Shaft diameter tolerance | Holder diameter tolerance | ||
| Measurement | Measurement Tolerance | Holder Diameter | H7 |
| 2 | 0 -0.005 | 7∼10 | +0.015 0 |
| 3 | |||
| 4 | 11∼14 | +0.018 0 | |
| 5 | |||
| 6 | 15∼18 | +0.018 0 | |
| 8 | |||
| 10 | 19∼24 | +0.021 0 | |
| 12 | |||
Machining heat treatment range of Oil Free Bushings
The shaft is heat-treated and then machined.Due to heat treatment, the hardness of the female screw machining part ± 10mm before and after may decrease (see example below).
In addition, the heat treatment area is not within the guaranteed range of the outer diameter dimensional tolerance.When calculating the stroke, subtract the dimensions of the heat treated part.
Lubrication of Oil Free Bushings
When shipping miniature ball bushings, anti-rust oil is applied. Please wash and dry them, then apply grease before use.
Depending on the usage environment, replenish lithium soap-based grease (such as Alubania Grease S2 made by Showa Shell Sekiyu) as needed.
Part Number
CAD Data download and 3D preview are not available because the part number has not yet been determined.
- *In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
- Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.
| Part Number |
|---|
| E-MUKZ12-20 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Inner Dia. d (Ø) | Outer Dia. D (Ø) | Overall Length L (mm) | Accessories | Dimension H (mm) |
|---|---|---|---|---|---|---|---|---|---|
MYR 46.96 | 1 Piece(s) | Available | 12 Day(s) | 12 | 18 | 20 | Low Head Bolt | 36 |
Loading...
2. More resistant to heavy loads than rolling bearings.
3. Can be used under severe conditions of "high" and "low" temperatures.
4. Bushings are thin and space-saving, compared to rolling bearings.
5. Can be used for linear and rotary motions.
Feature 2: Ideal for use in heavy-duty and low-speed operating conditions.
Feature 3: Excellent wear resistance in areas where it is difficult to form an oil film, such as reciprocating movements and frequent starts and stops.
・Even for MISUMI economy series, the inspection standard is the same as that of MISUMI standard products, and factory inspection is carried out to provide users with products that meet the catalog specifications.
・R chamfer, which facilitates installation
・The standard load and operating speed of the catalog are ensured, so it can be used with peace of mind.
- When assembling, check that there are no foreign objects on the surface.
- The sliding surface may become black or grey-black after use due to the oil film formed by the solid lubricant. Do not scrub it and use as usual.
- Before assembly, if the lubricant is applied to the grinding parts, it can shorten the running-in period and facilitate the operation of the machine.
- When assembling, it should be pressed in slowly. Knocking is strictly prohibited to avoid damaging the bearings and causing deformation.
Basic Information
| Type | Flanged | Metal Type | High-Tensile Brass Alloy | Environment | Standard / In Oil |
|---|---|---|---|---|---|
| Mounting Shaft Fits | d8 / e7 / g6 / f8 | Mounting Hole Fits | H7 | Lubrication | Unlubricated / Regular Lubrication |
| Max. Allowable Surface Pressure P(N/mm2) | 29 | Maximum Allowable Velocity(m/s) | 0.5 | Max. Allowable PV Value Range(N/mm2•m/s) | 1.1~2.0 |
| Max. Allowable PV Value(N/mm2•m/s) | 1.65 | Operating Temperature Range(°C) | -40::150 |
Please check the type/dimensions/specifications of the part E-MUKZ12-20 in the Oil Free Bushings Copper Alloy Thrust Type series.
Specification/Dimensions
-
type
- E-MUGZ
- E-MUKZ
- E-MUSZ
-
Inner Dia. d(Ø)
-
Outer Dia. D(Ø)
-
Overall Length L(mm)
-
Accessories
- Flat Head Bolts
- Low Head Bolt
- Not Provided
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 1 Day(s) or Less
- 12 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Frequently asked question (FAQ)
- Question: What are oil free bushings and what are their features?
- Answer: Plain bearings where the body of the bushing is saturated with lubricant and can be used "without oil" or "with a reduced oil supply". < br / >Oil free bushings have the following features: < br / > 1. Low maintenance frequency; < br / > 2. Suitable for low speed and heavy load situations, compared with ball linear bearings; < br / > 3. Can also be used under harsh conditions of high temperature and low temperature; < br / > 4. Thinner and space saving, compared with linear bearings; < br / > 5. Can be used for both linear and rotational motions.
- Question: What are the materials and features of MISUMI oil free bushings?
-
Answer:
MISUMI oil free bushings are available in 5 types, i.e. copper alloy, bronze casting, dry, resin, and casting.
Copper alloy (metal type), excellent resistance to high temperature, chemicals and shock, suitable for heavy duty and low speed operation.
Bronze casting (metal type) with excellent sinter resistance, enabling slight movements, suitable for low load and high speed operation.
Dry type (composite layer type), high temperature resistant, suitable for heavy duty and low speed operation, thin-walled and compact.
Resin (resin type), high temperature and chemical resistant (tetrafluoroethylene resin), complying with food sanitation law, suitable for low load and low speed operation.
Castings (metal type), suitable for medium load and low speed operation.
Products like this...
| Part Number |
|---|
| E-MUGZ10-20 |
| E-MUGZ12-10 |
| E-MUGZ12-12 |
| E-MUKZ15-20 |
| E-MUKZ16-12 |
| E-MUKZ16-15 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Inner Dia. d (Ø) | Outer Dia. D (Ø) | Overall Length L (mm) | Accessories | Dimension H (mm) |
|---|---|---|---|---|---|---|---|---|---|
MYR 25.92 | 1 Piece(s) | Available | 12 Day(s) | 10 | 16 | 20 | Not Provided | 25 | |
MYR 24.44 | 1 Piece(s) | Available | 12 Day(s) | 12 | 18 | 10 | Not Provided | 30 | |
MYR 30.14 | 1 Piece(s) | Available | 12 Day(s) | 12 | 18 | 12 | Not Provided | 30 | |
MYR 54.12 | 1 Piece(s) | Available | 12 Day(s) | 15 | 21 | 20 | Low Head Bolt | 39 | |
MYR 46.58 | 1 Piece(s) | Available | 12 Day(s) | 16 | 22 | 12 | Low Head Bolt | 40 | |
MYR 50.58 | 1 Piece(s) | Available | 12 Day(s) | 16 | 22 | 15 | Low Head Bolt | 40 |
Additional Products in this Category
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- Oil Free Bushings - Copper Alloy, Flanged, Thin Wall
- Oil Free Bushings - Straight (Polyacetal Resin)
- Special Brass Oil Free Bushings Round Flanged
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- Iglidur J Straight Type Oil-Free Bushing
- Fiber Freon FW Bushing (FFB)
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