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Round, Center Flanged Linear Bushings, Medium
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Part Number
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Economy Round Center Flanged Linear Bushing - Medium
- Versatile medium-sized linear bushing for industrial use.
- Available in various shaft diameters
- High-efficiency movement with low friction resistance.
- Good interchangeability with standard shafts.
- Cost-effective alternative to standard linear guides.
MISUMI Standard
Cheaper Price
Product Variety
3D CAD Support
Product Overview of Linear Bushings
The middle flanged linear bearing allows workpieces to be installed near the center of the linear bearing body, ensuring good balance on two sides of the flange, as well as decentralized load space.
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: 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 |  Attachments | ||
 Material |  Hardness |  Surface Treatment | Material | Material | ||
| Equivalent to SUJ2 | 58HRC～ | Electroless Nickel Plating | Equivalent to SUJ2 | Resin | -20 to 80℃ | Seal packing Material Nitrile Rubber (-20 to 120℃) |
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.
■ 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 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
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-LBFC6DMUU |
| E-LBFC8DMUU |
| E-LBFC10DMUU |
| E-LBFC12DMUU |
| E-LBFC16DMUU |
| E-LBFC20DMUU |
| E-LBFC25DMUU |
| E-LBFC30DMUU |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Inscribed Circle Dia. dr (Ø) | Overall Length L (mm) | Outer Dia. D (Ø) | Eccentricity (µm) | Basic Load Rating: Dynamic Load (Details) (N) | Basic Load Rating: Static Load (N) |
|---|---|---|---|---|---|---|---|---|---|---|
SGD 18.21 | 4 Piece(s) | Available | 5 Day(s) | 6 | 29 | 12 | 0.03 | 226 | 310 | |
SGD 18.42 | 4 Piece(s) | Available | 5 Day(s) | 8 | 37 | 15 | 0.03 | 310 | 452 | |
SGD 20.09 | 4 Piece(s) | Available | 5 Day(s) | 10 | 47 | 19 | 0.03 | 508 | 718 | |
SGD 20.25 | 4 Piece(s) | Available | 5 Day(s) | 12 | 47 | 21 | 0.03 | 634 | 814 | |
SGD 23.53 | 4 Piece(s) | Available | 5 Day(s) | 16 | 56 | 28 | 0.03 | 1164 | 1448 | |
SGD 25.15 | 4 Piece(s) | Available | 5 Day(s) | 20 | 65 | 32 | 0.038 | 1554 | 2068 | |
SGD 33.34 | 4 Piece(s) | Available | 5 Day(s) | 25 | 83 | 40 | 0.038 | 1725 | 3068 | |
SGD 41.03 | 4 Piece(s) | Available | 5 Day(s) | 30 | 90 | 45 | 0.038 | 2440 | 3974 |
Loading...
| Housing | Ball | Retainer | Operating Environment Temperature |  Attachments | ||
 Material |  Hardness |  Surface Treatment | Material | Material | ||
| Equivalent to SUJ2 | 58HRC～ | Electroless Nickel Plating | Equivalent to SUJ2 | Resin | -20 to 80℃ | Seal packing Material Nitrile Rubber (-20 to 120℃) |
■Dimension Specification Table
| Part Number | D | L | ℓ | H | T | d | d1 | t | P.C.D. | Lateral misalignment | Number of ball rows | * Perpendicularity | Basic Rated Load | Allowable Static Moment (N·m) | Weight (g) | ||||
| dr | Tolerance | Tolerance | Tolerance | C (Dynamic) N | Co (Static) N | Round Flanged | |||||||||||||
| 6 | 0 -0.01 | 12 | 0 -0.021 | 29 | ±0.3 | 12 | 28 | 5 | 3.5 | 6 | 3.1 | 20 | 0.03 | 4 | 0.04 | 226 | 310 | 1.42 | 27 |
| 8 | 15 | 37 | 16 | 32 | 24 | 310 | 452 | 2.12 | 47 | ||||||||||
| 10 | 19 | 0 -0.023 | 47 | 20.5 | 40 | 6 | 4.5 | 7.5 | 4.1 | 29 | 508 | 718 | 4.37 | 85 | |||||
| 12 | 21 | 42 | 32 | 634 | 814 | 6.2 | 89 | ||||||||||||
| 16 | 28 | 56 | 25 | 48 | 38 | 5 | 1164 | 1448 | 13.1 | 157 | |||||||||
| 20 | 0 -0.012 | 32 | 0 -0.028 | 65 | 28.5 | 54 | 8 | 5.5 | 9 | 5.1 | 43 | 0.038 | 0.04 | 1554 | 2068 | 18.3 | 232 | ||
| 25 | 40 | 83 | 37.5 | 62 | 51 | 6 | 1725 | 3068 | 25.3 | 481 | |||||||||
| 30 | 45 | 90 | 40 | 74 | 10 | 6.6 | 11 | 6.1 | 60 | 2440 | 3974 | 42.7 | 560 | ||||||
* mark shows the verticality between Part D and the flange mounting surface.For information on the flanged height adjusting ring, please refer to the 
Adjusting Ring. L, G and H are not engraved on the product.Basic Information
| Type | Flange | Flange Type | Center Flanged | Style | Standard |
|---|---|---|---|---|---|
| Outer Cylinder Material | SUJ2 Equivalent | Outer Cylinder Surface Treatment | Electroless Nickel Plating | Lubrication Type | Not Provided |
| Accuracy | High Grade | Ball Recirculating Type | Double | Motion | Linear |
| Types | Center Flanged | Length | Medium | Flange Shape | Round Flange |
| 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 Dia. D(Ø)
-
Eccentricity(µm)
-
type
- C-LMFC□DMUU
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 5 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.
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