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Linear Ball Bushings - Double, special length. (LMUD20G)
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- Volume Discount
New grease options (Type A: Alvania Grease S2, Type Y: AFF by THK) are added. [3/31/23]
Full Length is 1.5 times of Single and Allowable Moment 4.3 times. Suitable for insufficient space for Double Type
- METRIC
- inCAD Components
Part Number
Configured Part Number is shown.
LMUD20G
・Materials
| Type | Outer Cylinder | Balls | Retainer | Ambient Operating Temp. | [ A ]Accessories | ||
| Straight | [ M ]Material | [ H ]Hardness | [ S ]Surface Treatment | [ M ]Material | [ M ]Material | ||
| LMUD | 52100 Bearing Steel | 58HRC~ | - | 52100 Bearing Steel | Plastic (Duracon M90) | -20~80°C | Seal[ M ]Material Nitrile Rubber |
| LMUDM | Electroless Nickel Plating | 440C Stainless Steel | |||||
Specifications
| Part Number | |
| LMUD8 LHFRD10  LHFSDM12L LHFSDM12G LHFSDM12H | (L Type Greased) (G Type Greased) (H Type Greased) |
For Days to Ship, Price and Performance, see >> Click here
| Part Number | D Tolerance | L | B | W | D1 | (r) | Eccentricity (Max.) | Rows of Balls | Basic Load Rating | Static Allowable Moment (N·m) | Mass (g) | |||||||
| Type | dr | Tolerance | No Surface Treatment | Surface Treatment | Tolerance | Tolerance | C (Dynamic) N | Co (Static) N | ||||||||||
| LMUD LMUDM | 6 | 0 -0.010 | 12 | 0 -0.013 | 0 -0.018 | 29 | 0 -0.3 | 20 | 0 -0.5 | 1.1 | 11.5 | 0.4 | 0.015 | 4 | 226 | 310 | 1.42 | 12 |
| 8 | 15 | 37 | 25 | 14.3 | 310 | 452 | 2.12 | 27 | ||||||||||
| 10 | 19 | 0 -0.016 | 0 -0.021 | 47 | 30 | 1.3 | 18 | 508 | 718 | 4.37 | 49 | |||||||
| 12 | 21 | 20 | 0.8 | 634 | 814 | 6.2 | 54 | |||||||||||
| 13 | 23 | 22 | 640 | 826 | 6.2 | 69 | ||||||||||||
| 16 | 28 | 56 | 35 | 1.6 | 27 | 1164 | 1448 | 13.1 | 112 | |||||||||
| 20 | 0 -0.012 | 32 | 0 -0.019 | 0 -0.025 | 65 | 40 | 0 -0.6 | 30.5 | 0.02 | 5 | 1554 | 2068 | 18.3 | 152 | ||||
| 25 | 40 | 83 | 55 | 1.85 | 38 | 2.0 | 6 | 1725 | 3068 | 25.3 | 332 | |||||||
| 30 | 45 | 90 | 71.3 | 42.5 | 2440 | 3974 | 42.7 | 422 | ||||||||||
kgf=Nx0.101972
Price list
| dr | Unit Price | |||||||
| Straight | Round Flange | Square Flange | Compact Flange | |||||
| LMUD | LMUDM | LHFRD | LHFRDM | LHFSD | LHFSDM | LHFCD Cast Iron | LHFCD Cast IronM | |
| 6 | 480 | 710 | 860 | 1,070 | 1,000 | 1,280 | 940 | 1,180 |
| 8 | 470 | 700 | 860 | 1,070 | 1,000 | 1,280 | 940 | 1,180 |
| 10 | 480 | 710 | 860 | 1,110 | 1,050 | 1,330 | 950 | 1,220 |
| 12 | 500 | 740 | 930 | 1,190 | 1,110 | 1,420 | 1,030 | 1,310 |
| 13 | 530 | 790 | 1,030 | 1,390 | 1,220 | 1,560 | 1,130 | 1,450 |
| 16 | 630 | 920 | 1,120 | 1,510 | 1,330 | 1,800 | 1,220 | 1,670 |
| 20 | 860 | 1,230 | 1,350 | 1,830 | 1,610 | 2,180 | 1,490 | 2,000 |
| 25 | 1,150 | 1,750 | 2,220 | 3,010 | 2,660 | 3,590 | 2,440 | 3,310 |
| 30 | 1,560 | 2,350 | 3,140 | 4,220 | 3,740 | 5,050 | 3,450 | 4,640 |
■Volume Discount Rate ([ ! ]Round down to nearest one cent.) P.89
· LMUDM
[ ! ]For orders larger than indicated quantity, please request a quotation.
· Other than LMUDM
[ ! ]For orders larger than indicated quantity, please request a quotation.
· LMUDM
| Quantity | 1~19 | 20~34 | 35~49 | 50~99 |
| Discount Rate | Unit Price | 5% | 10% | 18% |
| Days to Ship | Standard | To Be Quoted | ||
· Other than LMUDM
| Quantity | 1~19 | 20~34 | 35~49 | 50~99 |
| Discount Rate | Unit Price | 5% | 10% | 18% |
| Days to Ship | Standard | To Be Quoted | ||
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.
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| Part Number |
|---|
| LMUD20G |
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Technical Information
Applications for Different Types of Grease
| Type | Product Name | Main Characteristic |
|---|---|---|
| Type L | ET-100K (Made by Kyodo Yushi) | Excellent heat resistance and oxidation stability. Also high adhesion and cohesion with limited spatter or leakage. |
| Type G | LG2 (Made by NSK Ltd.) | Suitable for clean environments due to low particle generation grease. Also good anti-rust properties. |
| Type H | FGL (Lubriplate) | Suitable for the pharmaceutical, food and beverage industry (NSF H-1 Reg. NO.043534). |
Support Information
Reference: Tolerance Range of Linear Bushing and Shafts made by MISUMI
For MISUMI Linear Bushing, it is recommended to use the combination with MISUMI Shafts (hardened to g6 tolerance).
| H6 | H7 | H8 | H9 | Applicable Part | Functional Classification | Application Example | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Can be Moved Relatively | Clearance Fit | Roll Fit | f6 | f7 | f7 f8 | Fitted to provide adequate clearance to permit movement (high quality fit). Regular normal temperature bearing lubricated with grease or oil. | Regular Fitting (Often comes apart.) | Part into which a cooled exhaust valve box is inserted. Regular Shaft and Bushing Link lever and bushing | ||
| Fine Roll Fit | g5 | g6 | Continuously revolving part of a precision machine under a light load. Fitting with a narrow gap so as to permit movement (spigot and positioning). Precision sliding part. | Part required for precise motion with virtually no backlash. | Link Device Pin and Lever Key and its groove Precision control valve rod | |||||
| Cannot be Moved Relatively | Transition Fit | Sliding Fit | h5 | h6 | h7 h8 | h9 | Fitting so as to permit movement by hand, with a lubricant applied (high-quality positioning). Special High Precision Sliding Part Unimportant Stationary Part | Can be disassembled and reassembled without damaging components. | Force cannot be transmitted by the fitting force alone. | Fitting a rim and a boss together Fitting the gear of a precision gear device |
| Push Fit | h5 h6 | js6 | Fitting that accommodates a slight gap. Precision fitting that locks both parts during use. Fitting that allows assembly and disassembly with a wooden or lead hammer. | Fitting Coupling Flanges Together Governor Path and Pin Fitting a Gear Rim and a Boss Together | ||||||
Compatible Models
Basic Information
| TYPE | Straight | Motion | Linear Motion | Style | Standard |
|---|---|---|---|---|---|
| Outer Cylinder Material | 52100 Bearing Steel Equivalent | Lubrication Type | Standard | Type | Straight |
| Ball Recirculating Type | Double | Precision | High Grade | Retainer Material | Plastic (Duracon M90 Equivalent) |
| Seals | With Seal |
Please check the type/dimensions/specifications of the part LMUD20G in the Linear Ball Bushings - Double, special length. series.
Specification/Dimensions
-
type
- LMUD
- LMUDM
-
Outer Cylinder Surface Finish
- None
- Plated
-
For Shaft Size(mm)
-
Overall Length L(mm)
-
O.D. D(mm)
-
Eccentricity(µm)
-
Ball Material
- 440C Stainless Steel Equivalent
- 52100 Bearing Steel Equivalent
-
Greased filled
- Standard (Rust Prevent Oil)
- Type G (Low Particlate)
- Type H (For Food and Beverages)
- Type L (Heat Resistance)
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- Same day
- 8 Days or Less
- 12 Days or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Products like this...
| Part Number |
|---|
| LMUD10L |
| LMUD12 |
| LMUD12G |
| LMUD20H |
| LMUD20L |
| LMUD25 |
Additional Products in this Category
- Linear Ball Bushings - Bearing type, wide block, with MX lubrication unit.
- Linear Ball Bushings - Bearing type, compact.
- Linear Ball Bushings - Single. LM-GA Series (With metal retainers).
- Linear Ball Bushings - Single. LME Series.
- Linear Ball Bushings - Round flanged, stainless steel, single. LMF-M Series.
- Linear Ball Bushings - With pilot flange, double. LMI/LMI-L Series.
- Linear Ball Bushings - Compact, single bearing type. CH Series.
- Linear Ball Bushings - Bearing type, with double open bushing. Super Smart Series (Inches).
Complementary Products
-
Shaft Supports - T-shape, slim body, with top groove. Shaft adjustment with screw.
MISUMI Days to Ship : Same day or more
Tech Support
- Technical Support
- Tel：+52-442-672-7661 ext. 2 then wait and dial 4
E-mail: soportetecnico@misumimex.com - Mon. - Fri. 8 a.m. - 6 p.m.
- Technical Inquiry
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