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Linear Bushings Straight Medium
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Part Number
Configured Part Number is shown.
Economy SUJ2 Straight Medium Linear Bushing
- High-efficiency movement with low friction resistance.
- Good interchangeability with standard shafts.
- Overall length 1.5 times that of single liner type for increased moment.
- Appropriate specifications for diverse usage conditions.
- Cost-effective alternative to standard linear guides.
MISUMI Standard
Cheaper Price
Product Variety
3D CAD Support
Product Overview of Linear Bushings
Through the rolling of steel ball, high-efficiency movement with low friction resistance can be realized.
Product Features of Linear Bushings
Linear Bushings Feature 2: Good interchangeability. Linear bearings have good interchangeability because they can be used with shafts randomly.
Linear Bushings Feature 3: Overall length is about 1.5 times and allowable moment about 4.3 times that of the single liner type.
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 | Equivalent to SUJ2 | |||||
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 bearing 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.
⑤ When the linear bearing is subjected to large moment load (eccentric load), one piece of single liner type is not applicable, so it is recommended to use one piece of double liner type or multiple pieces of single liner type.
■ Linear Bushings Dust prevention measures:
If dust or foreign matter enters the inside of the Linear Bushings, 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 installed on the holder with H7 tolerance. The linear bearing is in clearance fit with the holder.
■ MISUMI linear bearing is recommended to be combined with guide shaft with quenching g6 tolerance.
Related Documents of Linear Bushings
Usage Method of Linear Bushings.For anti-rust performance and maintenance of metal materials and their surface treatment, please refer to
Anti-rust Performance.Application Industries of Linear Bushings
| Electronic & Electrical Appliances | Automotive | Lithium battery | ||
 |  |  | ||
| LCD | Smart phone | Semiconductor | ||
 |  |  |
Related Products of Linear Bushings
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-LB6DMUU |
| E-LB6DUU |
| E-LB8DMUU |
| E-LB8DUU |
| E-LB10DMUU |
| E-LB10DUU |
| E-LB12DMUU |
| E-LB12DUU |
| E-LB16DMUU |
| E-LB16DUU |
| E-LB20DMUU |
| E-LB20DUU |
| E-LB25DMUU |
| E-LB25DUU |
| E-LB30DMUU |
| E-LB30DUU |
| 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 21.72 | 1 Piece(s) | Available | 1 Day(s) | 6 | 29 | [Surface Treatment] Electroless Nickel Plating | 12 | 0.02 | 226 | 310 | |
MYR 17.22 | 1 Piece(s) | Available | 1 Day(s) | 6 | 29 | No Surface Treatment | 12 | 0.02 | 226 | 310 | |
MYR 21.44 | 1 Piece(s) | Available | 14 Day(s) | 8 | 37 | [Surface Treatment] Electroless Nickel Plating | 15 | 0.02 | 310 | 452 | |
MYR 16.98 | 1 Piece(s) | Available | 14 Day(s) | 8 | 37 | No Surface Treatment | 15 | 0.02 | 310 | 452 | |
MYR 21.72 | 1 Piece(s) | Available | 14 Day(s) | 10 | 47 | [Surface Treatment] Electroless Nickel Plating | 19 | 0.02 | 508 | 718 | |
MYR 17.22 | 1 Piece(s) | Available | 14 Day(s) | 10 | 47 | No Surface Treatment | 19 | 0.02 | 508 | 718 | |
MYR 22.24 | 1 Piece(s) | Available | 1 Day(s) | 12 | 47 | [Surface Treatment] Electroless Nickel Plating | 21 | 0.02 | 634 | 814 | |
MYR 17.52 | 1 Piece(s) | Available | 14 Day(s) | 12 | 47 | No Surface Treatment | 21 | 0.02 | 634 | 814 | |
MYR 25.64 | 1 Piece(s) | Available | 14 Day(s) | 16 | 56 | [Surface Treatment] Electroless Nickel Plating | 28 | 0.02 | 1164 | 1448 | |
MYR 19.88 | 1 Piece(s) | Available | 1 Day(s) | 16 | 56 | No Surface Treatment | 28 | 0.02 | 1164 | 1448 | |
MYR 31.66 | 1 Piece(s) | Available | 14 Day(s) | 20 | 65 | [Surface Treatment] Electroless Nickel Plating | 32 | 0.025 | 1554 | 2068 | |
MYR 24.58 | 1 Piece(s) | Available | 14 Day(s) | 20 | 65 | No Surface Treatment | 32 | 0.025 | 1554 | 2068 | |
MYR 45.80 | 1 Piece(s) | Available | 14 Day(s) | 25 | 83 | [Surface Treatment] Electroless Nickel Plating | 40 | 0.025 | 1725 | 3068 | |
MYR 32.70 | 1 Piece(s) | Available | 14 Day(s) | 25 | 83 | No Surface Treatment | 40 | 0.025 | 1725 | 3068 | |
MYR 58.64 | 1 Piece(s) | Available | 1 Day(s) | 30 | 90 | [Surface Treatment] Electroless Nickel Plating | 45 | 0.025 | 2440 | 3974 | |
MYR 41.62 | 1 Piece(s) | Available | 14 Day(s) | 30 | 90 | No Surface Treatment | 45 | 0.025 | 2440 | 3974 |
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 | Equivalent to SUJ2 | |||||
■Dimension Specification Table
| Part Number | D Tolerance | L | B | W | D1 | Lateral Misalignment (maximum) | Number of ball rows | Basic Rated Load | Allowable Static Moment (N·m) | Weight (g) | ||||||
| dr | Tolerance | No Surface Treatment | With Surface Treatment | Tolerance | Tolerance | C (Dynamic) N | Co (Static) N | |||||||||
| 6 | 0 -0.12 | 12 | 0 -0.013 | 0 -0.018 | 29 | 0 -0.3 | 20 | 0 -0.5 | 1.1 | 11.5 | 0.02 | 4 | 226 | 310 | 1.42 | 12 |
| 8 | 15 | 37 | 25 | 14.3 | 310 | 452 | 2.12 | 27 | ||||||||
| 10 | 19 | 0 -0.016 | 0 -0.023 | 47 | 30 | 1.3 | 18 | 508 | 718 | 4.37 | 49 | |||||
| 12 | 21 | 0 -0.3 | 20 | 634 | 814 | 6.2 | 54 | |||||||||
| 13 | 23 | 22 | 640 | 826 | 6.2 | 69 | ||||||||||
| 16 | 28 | 0 -0.018 | 0 -0.025 | 56 | 35 | 1.6 | 27 | 5 | 1164 | 1448 | 13.1 | 112 | ||||
| 20 | 0 -0.15 | 32 | 0 -0.021 | 0 -0.028 | 65 | 0 -0.35 | 40 | 0 -0.8 | 30.5 | 0.025 | 5 | 1554 | 2068 | 18.3 | 152 | |
| 25 | 40 | 83 | 55 | 1.85 | 38 | 6 | 1725 | 3068 | 25.3 | 332 | ||||||
| 30 | 0 -0.18 | 45 | 90 | 71.3 | 42.5 | 2440 | 3974 | 42.7 | 422 | |||||||
If there are requirements for rust prevention, give priority to products with surface treatment of electroless nickel plating.Basic Information
| Type | Straight | Style | Standard | Outer Cylinder Material | SUJ2 Equivalent |
|---|---|---|---|---|---|
| Lubrication Type | Not Provided | Accuracy | High Grade | Ball Recirculating Type | Double |
| Motion | Linear | Types | Straight | Length | Medium |
| Ball Material | Equivalent to SUJ2 | Retainer Material | Resin | Seal | Provided |
| Greased Filled | Not Provided |
Specification/Dimensions
-
Inscribed Circle Dia. dr(Ø)
-
Overall Length L(mm)
-
Outer Cylinder Surface Treatment
- No Surface Treatment
- Surface Treatment
-
Outer Dia. D(Ø)
-
Eccentricity(µm)
-
type
- C-LM□DMUU
- C-LM□DUU
-
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.
Additional Products in this Category
- Shaft-sliding Linear Bushing Housing Units - Single / Double
- Linear Bushing Housing Unit - Wide Blocks, Single[RoHS Compliant]
- Linear Bushing Slit (Opening) Type [LKBMUUOP]
- Linear Bushing Housing Unit, Standard Type [SMYC]
- Linear Bushing Housing Unit, Long Type
- Maintenance-freeflanged linear bushingsLFLKC-MF shapelongcenter positionround shape flange
- Maintenance-freelinear bushing housingCHW-MF shapedoublecompactaluminum case
- Flanged Linear Bushings LFDM-Shaped (ECO Series) Double Round-Shaped Flange
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