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Square Flanged Linear Bushings, Medium (E-LBK20DMUU)
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Part Number
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E-LBK20DMUU
Economy Square Flanged Linear Bushing
- Square flanged design ensures reliable and balanced load distribution.
- Available in multiple sizes for diverse needs
- SUJ2 equivalent material for extended durability.
- Smooth linear motion with minimal resistance.
- Suitable for high-precision industrial machinery.
MISUMI Standard
Cheaper Price
Product Variety
3D CAD Support
Product Overview of Linear Bushings
With an overall length about 1.5 times and allowable moment about 4.3 times that of the single liner type, it is an ideal choice when there is no sufficient space for the double liner type.
Product Features of Linear Bushings
Through the rolling of steel ball, high-efficiency movement with low friction resistance can be realized.
Linear Bushings Feature 1: Effective utilization of space. The combination of the guide shaft and the linear bearing enables effective use of space, suitable for small mechanism designs.
Linear Bushings Feature 2: With an overall length about 1.5 times and allowable moment about 4.3 times that of the single liner type, it is an ideal choice when there is no sufficient space for the double liner type.
Linear Bushings Feature 3: Good interchangeability. Linear bearings have good interchangeability because they can be used with shafts randomly.
Linear Bushings Feature 4: Appropriate specifications can be selected according to the conditions of use.
Linear Bushings Feature 5: More cost effective than the linear guide.
Dimensional Drawing of Linear Bushings
Specifications Overview of Linear Bushings
| Housing | Ball | Retainer | Operating Environment Temperature |  Accessories | ||
 Material |  Hardness |  Surface Treatment | Material | Material | ||
| Equivalent to SUJ2 | 58HRC～ | - | Equivalent to SUJ2 | Resin | -20 to 80℃ | Seal packing Material Nitrile Rubber |
| Electroless Nickel Plating | ||||||
If there are requirements for rust prevention, give priority to products with surface treatment of electroless nickel plating.Usage Method of Linear Bushings
| Product Drawings of Linear Bushings | Instructions for use Linear Bushings | ||||||||
 | When the linear bearing is under heavy load (unbalanced load), one piece of single liner type is not applicable. It is recommended to use one piece of double liner type or multiple pieces of single liner type. | ||||||||
 | Linear bearing is not suitable for rotating motion in structure. If you rotate forcibly, it may cause damage to the product. Please pay attention during use. | ||||||||
 | Linear Bushings is not suitable for repeated plugging and unplugging. | ||||||||
 | When inserting the guide shaft into the linear bearing, please align the center and insert it slowly, otherwise the steel ball will fall off or the retainer will be deformed. | ||||||||
Precautions of Linear Bushings
① Before use, please apply grease to the ball row inside the linear bearing, and then replenish it in due course. Grease forms an oil film on the surfaces of steel ball and rolling surface (guide shaft bushing) of linear bearing, which
effectively reduces friction and prevents sintering. Grease reduction and aging will greatly affect the life of linear bearing.
② Recommended grease: lithium soap grease.
for details. ③ Recommended grease filling interval: Usually every 6 months.
④When the moving distance is long, it is recommended to move once every three months or when the moving distance exceeds 1000km within the time limit, the 1000km shall prevail.
■ Linear Bushings Dust prevention measures:
If dust or foreign matter enters the inside of the linear bearing, it may damage the circulation of steel balls, resulting in unexpected failures. When used in harsh environment, please install dust cover and protection cover, etc.
■ MISUMI linear bearing is recommended to be combined with guide shaft with quenching g6 tolerance.
■ MISUMI linear bearing is recommended to be installed on the holder with H7 tolerance. The linear bearing is in clearance fit with the holder.
Related Documents of Linear Bushings
| For usage method, refer to | Click here |
| For anti-rust performance of metal materials and surface treatment, refer to | Clickhere |
Application Industries of Linear Bushings
| Electronic & Electrical Appliances | Automotive | Lithium battery | ||
 |  |  | ||
| LCD | Smart phone | Semiconductor | ||
 |  |  |
Related Products of Linear Bushings
Part Number
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| Part Number |
|---|
| E-LBK20DMUU |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Inscribed Circle Dia. dr (Ø) | Overall Length L (mm) | Outer Cylinder Surface Treatment | Outer Dia. D (Ø) | Eccentricity (µm) | Basic Load Rating: Dynamic Load (Details) (N) | Basic Load Rating: Static Load (N) |
|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 54.96 | 1 Piece(s) | Available | 1 Day(s) | 20 | 65 | [Surface Treatment] Electroless Nickel Plating | 32 | 0.025 | 1554 | 2068 |
Loading...
| Housing | Ball | Retainer | Operating Environment Temperature |  Accessories | ||
 Material |  Hardness |  Surface Treatment | Material | Material | ||
| Equivalent to SUJ2 | 58HRC～ | - | Equivalent to SUJ2 | Resin | -20 to 80℃ | Seal packing Material Nitrile Rubber |
| Electroless Nickel Plating | ||||||
■Dimension Specification Table
| Part Number | D Tolerance | L | H | T | d | d1 | t | P.C.D. | W | Lateral Misalignment (maximum) | Number of ball rows | ＊ Perpendicularity | Basic Rated Load | Allowable Static Moment (N·m) | Weight (g) | |||||
| dr | Tolerance | No Surface Treatment | With Surface Treatment | Tolerance | C (Dynamic) N | Co (Static) N | Square Flanged | |||||||||||||
| 6 | 0 -0.012 | 12 | 0 -0.013 | 0 -0.018 | 29 | ±0.4 | 28 | 5 | 3.5 | 6 | 3.1 | 20 | 22 | 0.018 | 4 | 0.018 | 226 | 310 | 1.42 | 21 |
| 8 | 15 | 37 | 32 | 24 | 25 | 310 | 452 | 2.12 | 39 | |||||||||||
| 10 | 19 | 0 -0.016 | 0 -0.023 | 47 | 40 | 6 | 4.5 | 7.5 | 4.1 | 29 | 30 | 508 | 718 | 4.37 | 65 | |||||
| 12 | 21 | 42 | 32 | 32 | 634 | 814 | 6.2 | 69 | ||||||||||||
| 16 | 28 | 0 -0.018 | 0 -0.025 | 56 | 48 | 38 | 37 | 5 | 0.02 | 1164 | 1448 | 13.1 | 132 | |||||||
| 20 | 0 -0.015 | 32 | 0 -0.021 | 0 -0.028 | 65 | 54 | 8 | 5.5 | 9 | 5.1 | 43 | 42 | 0.025 | 0.025 | 1554 | 2068 | 18.3 | 197 | ||
| 25 | 40 | 83 | 62 | 51 | 50 | 6 | 1725 | 3068 | 25.3 | 440 | ||||||||||
| 30 | 0 -0.018 | 45 | 90 | 74 | 10 | 6.6 | 11 | 6.1 | 60 | 58 | 2440 | 3974 | 42.7 | 481 | ||||||
Basic Information
| Type | Flange | Flange Type | Standard Flange | Style | Standard |
|---|---|---|---|---|---|
| Outer Cylinder Material | SUJ2 Equivalent | Lubrication Type | Not Provided | Accuracy | High Grade |
| Ball Recirculating Type | Double | Motion | Linear | Types | Standard Flange |
| Length | Medium | Flange Shape | Square Flange | Ball Material | Equivalent to SUJ2 |
| Retainer Material | Resin | Seal | Provided | Greased Filled | Not Provided |
Please check the type/dimensions/specifications of the part E-LBK20DMUU in the Square Flanged Linear Bushings, Medium series.
Specification/Dimensions
-
type
- C-LMK□DMUU
- C-LMK□DUU
-
Inscribed Circle Dia. dr(Ø)
-
Overall Length L(mm)
-
Outer Cylinder Surface Treatment
- No Surface Treatment
- Surface Treatment
-
Outer Dia. D(Ø)
-
Eccentricity(µm)
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 1 Day(s) or Less
- 14 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: How is linear bearing maintained regularly?
- Answer: MISUMI recommends that linear bearing is regularly replenished with grease, and it is recommended to do so once every six months. When the moving distance is long, it is recommended to move once every three months or when the moving distance exceeds 1000km within the time limit, the 1000km shall prevail.
- Question: Comparison of antirust ability of linear bearings?
-
Answer:
Antirust ability from strong to weak: Low Temp. Black Chrome Plating → No-Electro Nickel Plated → No Surface Treatment.
Standard grade bearing steel is easy to rust, so it is necessary to apply anti-rust oil regularly.
Products like this...
| Part Number |
|---|
| E-LBK12DUU |
| E-LBK16DMUU |
| E-LBK16DUU |
| E-LBK20DUU |
| E-LBK25DMUU |
| E-LBK25DUU |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Inscribed Circle Dia. dr (Ø) | Overall Length L (mm) | Outer Cylinder Surface Treatment | Outer Dia. D (Ø) | Eccentricity (µm) | Basic Load Rating: Dynamic Load (Details) (N) | Basic Load Rating: Static Load (N) |
|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 30.60 | 1 Piece(s) | Available | 14 Day(s) | 12 | 47 | No Surface Treatment | 21 | 0.018 | 634 | 814 | |
MYR 46.84 | 1 Piece(s) | Available | 1 Day(s) | 16 | 56 | [Surface Treatment] Electroless Nickel Plating | 28 | 0.018 | 1164 | 1448 | |
MYR 36.62 | 1 Piece(s) | Available | 14 Day(s) | 16 | 56 | No Surface Treatment | 28 | 0.018 | 1164 | 1448 | |
MYR 42.64 | 1 Piece(s) | Available | 14 Day(s) | 20 | 65 | No Surface Treatment | 32 | 0.025 | 1554 | 2068 | |
MYR 85.60 | 1 Piece(s) | Available | 14 Day(s) | 25 | 83 | [Surface Treatment] Electroless Nickel Plating | 40 | 0.025 | 1725 | 3068 | |
MYR 65.44 | 1 Piece(s) | Available | 1 Day(s) | 25 | 83 | No Surface Treatment | 40 | 0.025 | 1725 | 3068 |
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