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Flanged Linear Bushing - Standard, Center Flanged, Medium[RoHS Compliant] (C-LHMRD20)
![Flanged Linear Bushing - Standard, Center Flanged, Medium[RoHS Compliant] C-LHMRD20](http://content.misumi-ec.com/image/upload/t_product_main/t_misumi_wm/v1/p/jp/product/series/110310862919/110310862919_20230801153159.jpg?$product_main$)
- Volume Discount
RoHS10 compliant.
Medium-precision linear bushing with relaxed O.D. tolerances such as I.D. and L dimension.
(i)Caution
- Bushings are applied with anti-rust oil harmless to lubricants. After cleaning (recommended cleaning method: ultrasonic cleaner or white kerosene) and drying the bushings, grease application is recommended before use.
Part Number
Configured Part Number is shown.
C-LHMRD20
Dimensional Drawing
| Type | Outer Cylinder | Balls | Retainer | Operating Ambient Temperature | [A] Accessory | |||
| Round Flange | Compact Flange | [M] Material | [H] Hardness | [S] Surface Treatment | [M] Material | [M] Material | ||
| C-LHMRD | C-LHMCD | SUJ2 Equivalent | 58HRC or more | — | SUJ2 Equivalent | Plastic | －20 to 80°C | Seal [M] Material Nitrile Rubber |
Specification Table
| Part Number (Type, dr) |
| C-LHMRD20 |
| C-LHMCD30 |
dr | D | L | (ℓ) | H | (T) | d | d1 | t | P.C.D. | F | A | K | Eccentricity (Max.) | Balls Rows | * Perpendicularity | Basic Load Rating | Reference Mass (g) | ||||||
Surface Treatment | Surface Treatment | ||||||||||||||||||||||
Tolerance | Not Provided | Provided | Tolerance | C (Dynamic) N | Co (Static) N | Round Flange | Compact Flange | ||||||||||||||||
Tolerance | Tolerance | ||||||||||||||||||||||
6 | +0.003 -0.013 | 12 | +0.006 -0.015 | +0.006 -0.020 | 29 | ±0.6 | 12 | 28 | 5 | 3.5 | 6 | 3.1 | 20 | — | 20 | 18 | 0.03 | 4 | 0.03 | 226 | 310 | 27 | 24 |
8 | 15 | 37 | 16 | 32 | 24 | — | 24 | 21 | 310 | 452 | 47 | 43 | |||||||||||
10 | 19 | +0.006 -0.018 | +0.006 -0.023 | 47 | 20.5 | 40 | 6 | 4.5 | 7.5 | 4.1 | 29 | — | 29 | 25 | 508 | 718 | 85 | 77 | |||||
12 | 21 | 42 | 32 | — | 32 | 27 | 634 | 814 | 89 | 81 | |||||||||||||
13 | 23 | 43 | 33 | — | 33 | 29 | 640 | 826 | 109 | 102 | |||||||||||||
16 | 28 | 56 | 25 | 48 | 38 | 22 | 31 | 34 | 5 | 1164 | 1448 | 157 | 149 | ||||||||||
20 | 0.003 -0.015 | 32 | +0.006 -0.021 | +0.006 -0.027 | 65 | 28.5 | 54 | 8 | 5.5 | 9 | 5.1 | 43 | 24 | 36 | 38 | 0.04 | 0.04 | 1554 | 2068 | 232 | 219 | ||
25 | 40 | 83 | 37.5 | 62 | 51 | 32 | 40 | 46 | 6 | 1725 | 3068 | 481 | 452 | ||||||||||
30 | 45 | 90 | 40 | 74 | 10 | 6.6 | 11 | 6.1 | 60 | 35 | 49 | 51 | 2440 | 3974 | 560 | 494 | |||||||
[ ! ] Anti-rust oil is applied at the time of delivery.
[ ! ] Flanged Type Height-Adjusting Spacers can be selected from here.
[ ! ] For shaft and housing tolerances, see "Recommended Tolerance of Shaft Diameter / Housing Diameter."
dr | Shaft Dia. | Housing Dia. | |
g6 Tolerance | Tolerance | ||
6 | −0.004 −0.012 | 12 | +0.024 +0.006 |
8 | −0.005 −0.014 | 15 | |
10 | 19 | +0.027 +0.006 | |
12 | −0.006 −0.017 | 21 | |
13 | 23 | ||
16 | 28 | ||
20 | −0.007 −0.020 | 32 | +0.031 +0.006 |
25 | 40 | ||
30 | 45 | ||
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 |
|---|
| C-LHMRD20 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Overall Length L (mm) | Eccentricity (µm) | Basic Load Rating: Static Load (N) | Inscribed Circle Dia. Tolerance (Negative Side) (mm) | Flange Shape | Basic Rated Load, Dynamic Rating (N) |
|---|---|---|---|---|---|---|---|---|---|---|---|
SGD 18.07 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | 65 | 40 | 2068 | -0.015 | Round Flange | 1554 |
Loading...
(1) For grease lubrication, apply grease to the ball rows within the linear bushings before use, then periodically apply grease during the use.
The grease has an effect of reducing friction by forming a layer between the balls and shaft rolling surfaces, preventing seizures.
Grease loss and deterioration will cause shorter life of linear guides.
(2) Recommended Grease: Lithium soap based grease
(3) Recommended Lubrication Intervals: Every 6 month
Recommended lubrication is that every 3 months when travel distance is extensive, or every 1000 km when travel distance exceeds 1000 km within the period.
(4) If large moment load (offset load) is to be applied, Short / Single Type Linear Bushings are not suitable.
Use of Double Type or Multiple Linear Bushings is recommended.
■Dust-Proofing Measures
Please be aware that if foreign objects or dusts get inside the linear bushing, it will interfere with the circulation of the steel balls and cause failures.
Please attach a dust cover or protection cover for harsh usage environments.
■Use of a hardened shaft with g6 tolerance is recommended for MISUMI Linear Bushings.
| Illustration | Instructions for Use |
 | If large load (offset load) is to be applied, Single Type Linear Bushings are not suitable. Use of Double Type or Multiple Linear Bushings is recommended. |
 | Linear Bushings are not suitable for rotating motion due to their structure. Forcing to rotate may cause failures. |
 | Linear Bushings are not suitable for usage with repetitive insertion and extraction of shafts. |
 | When assembling with linear shafts, forcing the shaft into the bushing with angular misalignment may cause the ball retainers to deform and balls to fall out. Be sure to align the centers and insert the shaft gently. |
Basic Information
| Type | Center Flange | Flange Type | Center Flanged | Outer Cylinder Material | SUJ2 Equivalent |
|---|---|---|---|---|---|
| Outer Cylinder Surface Treatment | No Surface Treatment | Lubrication Type | Not Provided | Types | Center Flanged |
| Length | Medium | Linear Motion / Rotational Motion | Linear Bushing (Linear Motion Only) | Ball Material | SUJ2 Equivalent |
| Retainer Material | Plastic | Seal | With Seal |
Please check the type/dimensions/specifications of the part C-LHMRD20 in the Flanged Linear Bushing - Standard, Center Flanged, Medium[RoHS Compliant] series.
Specification/Dimensions
-
type
- C-LHMCD
- C-LHMRD
-
Overall Length L(mm)
-
Eccentricity(µm)
-
Flange Shape
- Round Flange
- Compact Flange
-
Basic Rated Load, Dynamic Rating(N)
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 4 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 .
Similar Part Numbers
| Part Number |
|---|
| C-LHMCD16 |
| C-LHMCD20 |
| C-LHMCD25 |
| C-LHMRD25 |
| C-LHMRD30 |
| C-LHMRD6 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Overall Length L (mm) | Eccentricity (µm) | Basic Load Rating: Static Load (N) | Inscribed Circle Dia. Tolerance (Negative Side) (mm) | Flange Shape | Basic Rated Load, Dynamic Rating (N) |
|---|---|---|---|---|---|---|---|---|---|---|---|
SGD 17.79 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | 56 | 30 | 1448 | -0.013 | Compact Flange | 1164 | |
SGD 21.24 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | 65 | 40 | 2068 | -0.015 | Compact Flange | 1554 | |
SGD 32.94 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | 83 | 40 | 3068 | -0.015 | Compact Flange | 1725 | |
SGD 28.56 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | 83 | 40 | 3068 | -0.015 | Round Flange | 1725 | |
SGD 34.88 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | 90 | 40 | 3974 | -0.015 | Round Flange | 2440 | |
SGD 9.40 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | - | 30 | 310 | -0.013 | Round Flange | 226 |
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