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Linear guides of more robust sizes ideal for heavy loads, with the option of selecting them with standard block, or wide blocks. Configurable with seals for dust protection or with metal scrapers for solid bodies on the rail. Selectable lubricant type, even with MX constant lubrication accessory. Blocks and rails cannot be purchased separately.
Part Number
Configured Part Number is shown.
SXWDL28L
Type | MX (Lubrication Units) | L Dimension | Number of Blocks | [ M ]Material [ H ]Hardness | ||
Double-Sealed | With Metal Scrapers | |||||
Standard | SXRD | SXRK | Blank: None -MX : Provided | Selectable | 1 | Carbon Steel 58HRC~ |
SX2RD | SX2RK | 2 | ||||
SXRDL | SXRKL | Configurable | 1 | |||
SX2RDL | SX2RKL | 2 | ||||
Wide Block | SXWD | SXWK | Selectable | 1 | ||
SX2WD | SX2WK | 2 | ||||
SXWDL | SXWKL | Configurable | 1 | |||
SX2WDL | SX2WKL | 2 |
Part Number | L | Block Dimension | Guide Rail Dimension | ||||||||||||||||||||||
Type | MX | H | W | L1 | B | C | Sxℓ | L2 | K | T | Cb | Grease Fitting | H1 | W1 | W2 | Ca | Counterbored Hole | F | G | ||||||
Standard | MX | Mounting Hole | E | T1 | d1xd2xh | ||||||||||||||||||||
Standard | (1 block) SXRD SXRK SXRDL SXRKL | (2 blocks) SX2RD SX2RK SX2RDL SX2RKL | Blank: None -MX : Provided | 24 | 160(220) ~1480 | 34 | 62 (58.6) | 71.6 (68.2) | 26 | 26 | M4x7 | 41 | 20 | 7 | 0.85 | M5xP0.8 | 6 | 5 | 12.5 | 15 | 9.5 | 0.5 | 3.5x6x4.5 | 60 | 20 |
28 | 220 ~1960 | 42 | 73.4 (69) | 83 (78.6) | 32 | 32 | M5x8 | 47.6 | 22.5 | 7.5 | 1 | M6xP0.75 | 13 | 6 | 15.5 | 20 | 11 | 0.6 | 6x9.5x8.5 | 60 | 20 | ||||
33 | 220(280) ~1960 | 48 | 90 (85.4) | 99.6 (95) | 35 | 35 | M6x9 | 61 | 26.5 | 8 | 1 | M6xP0.75 | 13 | 6.8 | 18 | 23 | 12.5 | 0.8 | 7x11x9 | 60 | 20 | ||||
Wide Block | (1 block) SXWD SXWK SXWDL SXWKL | (2 blocks) SX2WD SX2WK SX2WDL SX2WKL | 24 | 160(220) ~1480 | 52 | 62 (58.6) | 71.6 (68.2) | 41 | 26 | 4.5 | 41 | 20 | 7 | 0.5 | M5xP0.8 | 6 | 5 | 12.5 | 15 | 18.5 | 0.5 | 3.5x6x4.5 | 60 | 20 | |
28 | 220 ~1960 | 59 | 73.4 (69) | 83 (78.6) | 49 | 32 | 5.5 | 47.6 | 22.5 | 9 | 1 | M6xP0.75 | 13 | 6 | 15.5 | 20 | 19.5 | 0.6 | 6x9.5x8.5 | 60 | 20 | ||||
33 | 220(280) ~1960 | 73 | 90 (85.4) | 99.6 (95) | 60 | 35 | 7 | 61 | 26.5 | 10 | 1 | M6xP0.75 | 13 | 6.8 | 18 | 23 | 25 | 0.8 | 7x11x9 | 60 | 20 |
H | B3 (3-block) | B4 (4-block) |
24 | 340 | 400 |
28 | 400 | 460 |
33 | 400 | 520 |
Type | MX (Lubrication Units) | L Dimension | Number of Blocks | [ M ]Material [ H ]Hardness | ||
Double-Sealed | With Metal Scrapers | |||||
Standard | SXRD | SXRK | Blank: None -MX : Provided | Selectable | 1 | Carbon Steel 58HRC~ |
SX2RD | SX2RK | 2 | ||||
SXRDL | SXRKL | Configurable | 1 | |||
SX2RDL | SX2RKL | 2 | ||||
Wide Block | SXWD | SXWK | Selectable | 1 | ||
SX2WD | SX2WK | 2 | ||||
SXWDL | SXWKL | Configurable | 1 | |||
SX2WDL | SX2WKL | 2 |
Part Number | - | L | |
SXRD28 SXRD-MX28 SXRD28L SXRD28G | - - - - | 880 880 880 880 | (With Lubrication Units) (L Type Greased) (G Type Greased) |
Quantity | 1~4 | 5~10 | 11~15 | 16 or More |
Discount Rate | Unit Price | 5% | 10% | 18% |
Days to Ship | Standard | 5 additional days | To Be Quoted |
H | L | Unit Price | |||||||
1 block | 2 blocks | ||||||||
SXRD | SXRK | SXWD | SXWK | SX2RD | SX2RK | SX2WD | SX2WK | ||
24 | 160 | 8,070 | 9,040 | 8,570 | 9,530 | - | - | - | - |
220 | 8,560 | 9,530 | 9,060 | 10,020 | 13,790 | 15,080 | 15,450 | 16,740 | |
280 | 9,160 | 10,130 | 9,660 | 10,620 | 14,390 | 15,680 | 16,060 | 17,350 | |
340 | 9,710 | 10,680 | 10,200 | 11,160 | 14,950 | 16,240 | 16,590 | 17,880 | |
400 | 10,310 | 11,280 | 10,810 | 11,770 | 15,550 | 16,840 | 17,200 | 18,490 | |
460 | 10,920 | 11,890 | 11,400 | 12,360 | 16,140 | 17,430 | 17,800 | 19,090 | |
520 | 11,510 | 12,480 | 12,010 | 12,970 | 16,740 | 18,030 | 18,400 | 19,690 | |
580 | 12,110 | 13,080 | 12,610 | 13,570 | 17,350 | 18,640 | 19,000 | 20,290 | |
640 | 12,710 | 13,680 | 13,210 | 14,170 | 17,950 | 19,240 | 19,600 | 20,890 | |
700 | 13,310 | 14,280 | 13,810 | 14,770 | 18,550 | 19,840 | 20,200 | 21,490 | |
760 | 13,910 | 14,880 | 14,400 | 15,360 | 19,150 | 20,440 | 20,800 | 22,090 | |
820 | 14,520 | 15,490 | 15,010 | 15,970 | 19,750 | 21,040 | 21,400 | 22,690 | |
880 | 15,170 | 16,140 | 15,660 | 16,620 | 20,410 | 21,700 | 22,060 | 23,350 | |
940 | 15,820 | 16,790 | 16,320 | 17,280 | 21,060 | 22,350 | 22,710 | 24,000 | |
1000 | 16,540 | 17,500 | 17,030 | 17,990 | 21,770 | 23,060 | 23,420 | 24,710 | |
1120 | 18,200 | 19,170 | 18,710 | 19,670 | 23,450 | 24,740 | 25,080 | 26,370 | |
1240 | 19,540 | 20,500 | 20,010 | 20,970 | 24,770 | 26,060 | 26,410 | 27,700 | |
1360 | 20,850 | 21,820 | 21,330 | 22,290 | 26,080 | 27,370 | 27,730 | 29,020 | |
1480 | 22,170 | 23,140 | 22,660 | 23,620 | 27,390 | 28,680 | 29,040 | 30,330 | |
28 | 220 | 9,430 | 10,560 | 10,370 | 11,500 | 15,040 | 16,490 | 17,740 | 19,190 |
280 | 10,080 | 11,210 | 11,020 | 12,150 | 15,710 | 17,160 | 18,400 | 19,850 | |
340 | 10,690 | 11,820 | 11,630 | 12,760 | 16,300 | 17,750 | 19,000 | 20,450 | |
400 | 11,290 | 12,420 | 12,240 | 13,370 | 16,900 | 18,350 | 19,600 | 21,050 | |
460 | 11,890 | 13,020 | 12,830 | 13,960 | 17,510 | 18,960 | 20,190 | 21,640 | |
520 | 12,490 | 13,620 | 13,430 | 14,560 | 18,110 | 19,560 | 20,800 | 22,250 | |
580 | 13,140 | 14,270 | 14,090 | 15,220 | 18,760 | 20,210 | 21,450 | 22,900 | |
640 | 13,700 | 14,830 | 14,630 | 15,760 | 19,310 | 20,760 | 22,000 | 23,450 | |
700 | 14,290 | 15,420 | 15,230 | 16,360 | 19,910 | 21,360 | 22,600 | 24,050 | |
760 | 14,840 | 15,970 | 15,790 | 16,920 | 20,450 | 21,900 | 23,150 | 24,600 | |
820 | 15,440 | 16,570 | 16,380 | 17,510 | 21,060 | 22,510 | 23,750 | 25,200 | |
880 | 16,090 | 17,220 | 17,040 | 18,170 | 21,720 | 23,170 | 24,410 | 25,860 | |
940 | 16,700 | 17,830 | 17,640 | 18,770 | 22,310 | 23,760 | 25,010 | 26,460 | |
1000 | 17,350 | 18,480 | 18,290 | 19,420 | 22,980 | 24,430 | 25,660 | 27,110 | |
1120 | 18,720 | 19,850 | 19,650 | 20,780 | 24,340 | 25,790 | 27,030 | 28,480 | |
1240 | 20,080 | 21,210 | 21,020 | 22,150 | 25,700 | 27,150 | 28,390 | 29,840 | |
1360 | 22,530 | 23,660 | 23,490 | 24,620 | 28,150 | 29,600 | 30,850 | 32,300 | |
1480 | 23,960 | 25,090 | 24,900 | 26,030 | 29,580 | 31,030 | 32,260 | 33,710 | |
1600 | 25,370 | 26,500 | 26,320 | 27,450 | 30,990 | 32,440 | 33,680 | 35,130 | |
1720 | 26,810 | 27,940 | 27,750 | 28,880 | 32,410 | 33,860 | 35,110 | 36,560 | |
1840 | 28,220 | 29,350 | 29,160 | 30,290 | 33,840 | 35,290 | 36,520 | 37,970 | |
1960 | 29,640 | 30,770 | 30,590 | 31,720 | 35,250 | 36,700 | 37,960 | 39,410 | |
33 | 220 | 10,740 | 12,030 | 12,070 | 13,360 | - | - | - | - |
280 | 11,450 | 12,740 | 12,780 | 14,070 | 17,390 | 19,010 | 21,030 | 22,650 | |
340 | 12,100 | 13,390 | 13,440 | 14,730 | 18,050 | 19,670 | 21,680 | 23,300 | |
400 | 12,760 | 14,050 | 14,100 | 15,390 | 18,710 | 20,330 | 22,340 | 23,960 | |
460 | 13,420 | 14,710 | 14,760 | 16,050 | 19,360 | 20,980 | 23,000 | 24,620 | |
520 | 14,070 | 15,360 | 15,410 | 16,700 | 20,020 | 21,640 | 23,660 | 25,280 | |
580 | 14,720 | 16,010 | 16,060 | 17,350 | 20,670 | 22,290 | 24,310 | 25,930 | |
640 | 15,380 | 16,670 | 16,720 | 18,010 | 21,320 | 22,940 | 24,960 | 26,580 | |
700 | 16,090 | 17,380 | 17,430 | 18,720 | 22,040 | 23,660 | 25,680 | 27,300 | |
760 | 16,860 | 18,150 | 18,200 | 19,490 | 22,810 | 24,430 | 26,440 | 28,060 | |
820 | 17,570 | 18,860 | 18,910 | 20,200 | 23,510 | 25,130 | 27,140 | 28,760 | |
880 | 18,280 | 19,570 | 19,620 | 20,910 | 24,230 | 25,850 | 27,860 | 29,480 | |
940 | 18,990 | 20,280 | 20,330 | 21,620 | 24,930 | 26,550 | 28,560 | 30,180 | |
1000 | 19,750 | 21,040 | 21,090 | 22,380 | 25,690 | 27,310 | 29,330 | 30,950 | |
1120 | 21,220 | 22,510 | 22,560 | 23,850 | 27,170 | 28,790 | 30,800 | 32,420 | |
1240 | 22,750 | 24,040 | 24,090 | 25,380 | 28,700 | 30,320 | 32,340 | 33,960 | |
1360 | 25,330 | 26,620 | 26,670 | 27,960 | 31,270 | 32,890 | 34,910 | 36,530 | |
1480 | 26,960 | 28,250 | 28,300 | 29,590 | 32,900 | 34,520 | 36,540 | 38,160 | |
1600 | 28,580 | 29,870 | 29,920 | 31,210 | 34,520 | 36,140 | 38,160 | 39,780 | |
1720 | 30,200 | 31,490 | 31,540 | 32,830 | 36,150 | 37,770 | 39,790 | 41,410 | |
1840 | 31,830 | 33,120 | 33,170 | 34,460 | 37,780 | 39,400 | 41,420 | 43,040 | |
1960 | 33,450 | 34,740 | 34,790 | 36,080 | 39,390 | 41,010 | 43,030 | 44,650 |
H | Unit Price | |||||||
1 block | 2 blocks | |||||||
SXRDL | SXRKL | SXWDL | SXWKL | SX2RDL | SX2RKL | SX2WDL | SX2WKL | |
24 | 1,950 | 1,950 | 1,950 | 1,950 | 1,950 | 1,950 | 1,950 | 1,950 |
28 | 2,110 | 2,110 | 2,110 | 2,110 | 2,110 | 2,110 | 2,110 | 2,110 |
33 | 2,270 | 2,270 | 2,270 | 2,270 | 2,270 | 2,270 | 2,270 | 2,270 |
H | Unit Price | |
1 block | 2 blocks | |
24 | 1,700 | 3,400 |
28 | 1,900 | 3,800 |
33 | 1,900 | 3,800 |
Type of guide | Preload | Height H Dimension | Radial Clearance (µm) |
---|---|---|---|
Linear guide medium/heavy load | Normal clearance | 24 | -4 ~ +2 |
28 | -5 ~ +2 | ||
33 | -6 ~ +3 | ||
Light preload | 24,28 | -4 ~ 0 | |
30 ~ 42 | -5 ~ 0 | ||
42* | -7 ~ 0 |
* marked size is for Ultra Heavy / Extra Super Heavy Load
The following types of greases are used in MISUMI linear guides.
Grease | Linear Guide | Grease Model | Features |
---|---|---|---|
Standard | Miniature | Multemp Grease PS2 (Manufactured by Kyodo Yushi) | Grease with excellent low temperature and low torque properties. |
Miniature with MX lubrication unit | Tufflix MP2 (Manufactured by JX Nippon Oil & Energy) | Reduces temperature rise in the bearing area; extends bearing life and reduces grease replenishment interval and maintenance work. | |
Medium Load Heavy Load | Albania Grease S2 (Manufactured by Showa Shell Sekiyu) | It has excellent lubrication and shows excellent performance under normal and heavy load conditions. | |
Type L | Miniature/Medium/Heavy Load | ET-100K (Manufactured by Kyodo Yushi) | It has excellent heat resistance, oxidation stability, adhesion and tackiness. It is also a low dispersion, low leakage grease. |
Type G | LG2 (Manufactured by NSK Ltd.) | It produces little dust and has excellent wear resistance and rust resistance properties. |
The grease forms an oil film on the steel balls and on the slideways of the linear guide, reducing friction.
Loss and deterioration of the grease will greatly affect the service life of the linear guide, so it must be lubricated on time depending on the conditions of use.
MISUMI linear guides are lubricated with standard grease at the time of shipment, so they can be used as is.
Lubricate every 6 months. If linear guide is used for long distances, it is recommended to lubricate every 3 months, or if it is used more than 1000 km in a period, we recommend every 1000 km.
*The above is the distance-based lubrication interval. If the grease deteriorates or is heavily contaminated due to the operating environment, it may be necessary to shorten the lubrication interval.
By using a lubrication unit, it is possible to extend the lubrication interval considerably.
Features
Long-term Maintenance-Free Condition
The special polyurethane in MX Lubrication Unit impregnates grease, and its micropore structure provides an optimal amount of grease on the raceway surface. A constant oil film is formed between steel balls and the raceway, enabling long-term maintenance-free operation.
Cost Benefit
Extended lubrication intervals result in reduce maintenance cost.
Short Lead Time
Ship time is the same as that of standard products.
Structure
Special polyurethane (yellow color) has interconnected micropores and has excellent water-holding capacity. This allows the unit to hold more grease.
Test Results
The linear guides with MX lubrication unit achieved 2,000 km of travel, more than the standard units without grease
Test conditions
Sample | SXR24 |
---|---|
Load | 2.87 kN |
Travel speed | 750 mm/sec |
- No grease: degreased linear guide
- No grease + MX: degreased linear guide equipped with MX only MX is filled with Alvania Grease S2 by Showa Shell Sekiyu K.K.
[!] Test results are for reference only and are not guaranteed
H | Basic Load Rating | Allowable Static Moment | Mass | ||||||
---|---|---|---|---|---|---|---|---|---|
C (Dynamic) kN | Co (Static) kN | MA,MB N・m | MC N・m | Block kg | Guide Rails kg/m | ||||
Double-Sealed | Metal Scrapers | ||||||||
Standard | Wide | Standard | Wide | ||||||
24 | 8.6 | 14.2 | 69 | 98 | 0.21 | 0.26 | 0.21 | 0.26 | 1.5 |
28 | 12.5 | 21.3 | 155 | 232 | 0.32 | 0.37 | 0.32 | 0.37 | 2.4 |
33 | 20.2 | 34.5 | 275 | 393 | 0.48 | 0.63 | 0.49 | 0.64 | 3.4 |
kgf = N ・ 0.101972
kgf = kilograms force, N = Newton
- Double gasket design with two layers of side gaskets increases the sealing efficiency and prevents ingress of foreign materials into the block.
- Can be used where dust and machining chips exist.
[!]Sliding resistance of Double-Sealed Type is higher than that of Standard Type.
- Larger debris adhering to the rail can be removed by attaching metal scrapers to the outside of the side seals.
- Can be used in areas with high temperature dusts such as welding spatter.
For more information about the calculation of useful life, click here.
For more information about mounting holes and G-value, click here.
For more information about the installation click here.
If the linear guides are handled incorrectly, the quality may deteriorate. When using MISUMI linear guides, consider the following points:
Be careful when removing the blocks
MISUMI linear guidesare equipped with a retainer, so that the balls will not fall out even if the block is removed from the rail. However, if the block is removed from the rail at high speed or inserted at an angle, the balls may fall out. Be careful when removing and installing the blocks.
Blocks and rails not sold separately
Linear guides MISUMI are only sold as a block and rail assembly. For resin retainer type only, blocks and rails can be purchased separately.
Please do not replace with another product
The radial clearance and accuracy of MISUMI linear guides are guaranteed as a block and rail assembly, so the accuracy is not guaranteed when combined with another product.
Please check the reference surface before installation.
Linear guides have reference planes on both the rail and the block (the side with a straight groove is provided). When installing the linear guide, correctly align this reference surface with the mounting reference surface of the table and base and secure it. For more details, refer to"Installation" in "Support Information".
Please do not add rails
MISUMI linear guides are shipped with chamfered edges on the end of the rail. The use of additional rails is not covered under warranty.
Secure all rail mounting holes.
The rail curvature is corrected with all mounting holes clamped. Accuracy is guaranteed under these conditions.
Clamping Units | Height Adjusting Blocks | |
---|---|---|
Economy Model | Standard Linear Guides Model | |
Fall Prevention /Dust Protection | ||
Stopper Bolt | Fall Prevention Plate | Hole Cap |
Rail Fastening | ||
Linear Guide Adjustment Unit | Linear Guide Locks | Linear Guide Lock Units |
CAD Data download and 3D preview are not available because the part number has not yet been determined.
Part Number |
---|
SXWDL28L |
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Set / Single Item | Set | Rail Type | Standard | Material | Carbon Steel |
---|---|---|---|---|---|
Preload | Normal Clearance (No Preload) | Accuracy | Standard Grade | Ball Arrangement | Medium, Heavy Load Type |
Retainer | N/A | Rolling Element | Ball |
When WC is selected, be sure order quantity is a multiple of 2
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