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THK Standard Linear Guides（Set / Single Item：Set）
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Caged Ball LM Guide, Miniature, SRS Type
THK
A miniature type with a compact structure. Can be mounted in areas where space is at a premium. Part of the LM block is made of resin for a lighter overall weight.
[Features]
· The adoption of the ball retainer has eliminated mutual friction between the balls, providing excellent high speed characteristics, low noise, good sound quality and a long lifespan, and keeps it maintenance-free for an extended period.
· The ball retainer eliminates mutual friction between the balls, improving how well the grease is maintained and reducing the amount of dust raised.
· The LM block and LM rail are both made with highly rust-preventive stainless steel.
· The rail cross-section height is kept low, and it has a compact structure with a single ball row on the right and left, allowing it to be mounted in areas where space is at a premium.
· A lightweight and low-inertia type where part of the LM block (around the ball escape hole, etc.) has been molded with resin using insert molding.
[Applications]
· Surface grinders,electric discharge machining, high-speed conveyors, NC lathes, injection molding machines
· Woodworking machines, semiconductor manufacturing devices, inspection devices, food processing machineryDays to Ship: 38 Day(s) or more -
Full-Ball Type LM Guide, International Standard, HSR Type
THK
A standard full-ball type. Incurs load from four directions which allows it to be used in any position. A series with the most abundance in variations in size and shape, etc.
* When ordering multiple shaft types, please input a multiple of the number of required shaft types as your order quantity.
(Example) required shafts: 2(-II)⇒ Order quantity: "2, 4, 6..."
Required shafts: 3 3(-III)⇒ Order quantity: "3, 6, 9..."
Please place your orders in this manner.Days to Ship: 38 Day(s) or more -
Full-Ball Type LM Guide, Radial Type, SR Model
THK
A type with a compact structure that has a low cross-section height and is resilient against loads in the radial direction. More advantageous than HSR when incurring loads in the radial direction (longevity, precision, rigidity, etc.).
[Features]
· Circulates the ball row using the end plate that is assembled in the LM block when the ball rotates the rotating side with four rows that have been precision ground into the LM block and LM rail.
· The ball will not fall out even if the LM block is removed from the LM rail because it is held by a holding plate.
· Has a low cross-section height, and the LM block has been designed with a high rigidity, which allows for highly precise and consistent linear motion.
· A compact type with a low cross-sectional height, which is ideal for horizontal guide parts for ball contact structures that are strong against loads in the radial direction.
· This is a self-aligning type that can easily absorb error in the level precision and the degree of parallelism for the two shafts, which is capable of highly precise and smooth movements.
· The retainer part on each of the ball rows can obtain rolling motions with limited sound because of the balls being designed to smoothly circulate using the guiding part on the end plate.
· It is possible to maintain precision of long periods of time, have excellent abrasion resistance and limited differential slipping even when there is a preload or uneven loads.
· LM block, LM rail, and LM rail are all compatible with stainless steel.Days to Ship: 7 Day(s) or more -
[Short Delivery Size] Full-Ball Type LM Guide, International Standard, HSR Type
THK
A best selling THK product. The HSR series can be used in any position.
*When ordering multiple shaft types, input multiples of the number of required shafts as the order quantity.
(Example) required shafts: 2(-II)⇒ Order quantity: "2, 4, 6..."
Required shafts: 3 3(-III)⇒ Order quantity: "3, 6, 9..."
Please place your orders in this manner.Days to Ship: 6 Day(s) or more -
Caged Ball LM Guide, International Standard, SHS Type
THK
Each of the ball rows are arranged at a contact point of 45°, allowing the guide to be used with any posture
[Features]
· The adoption of the ball retainer has eliminated mutual friction between the balls, providing excellent high speed characteristics, low noise, good sound quality and a long lifespan, and keeps it maintenance-free for an extended period.
· The ball retainer eliminates mutual friction between the balls, improving how well the grease is maintained and reducing the amount of dust raised.
· Each of the ball raceways have been positioned at a 45° contact angle so that the rated load will be the same in all 4 directions (radial direction, reverse radial direction, horizontal directions) that act on the LM block, allowing it to be used from any position and in a broad range of applications.
· The self-aligning capability achieved from THK's proprietary circular arched-groove front face assembly (DF set) makes it possible to absorb any mounting error, even when there is a preload. It also delivers a smooth linear motion at high accuracies.
· Developed by THK, a pioneer of linear motion systems, it features a dimensional design that conforms to the full-ball type LM guide HSR type, the de-facto global standard.
· The cross-section of the LM rail has been made more compact, lowering the center of gravity and further increasing rigidity.
[Applications]
· Surface grinders,electric discharge machining, high-speed conveyors, NC lathes, injection molding machines
· Woodworking machines, semiconductor manufacturing devices, inspection devices, food processing machineryDays to Ship: 38 Day(s) or more -
Caged Ball LM Guide, Radial Type, SSR Type
THK
Radial type that is strong against loads in the radial direction. More advantageous than SHS when incurring loads in the radial direction (longevity, precision, rigidity, etc.). A stainless steel type not featured with the SHS is also available.
*When ordering multiple shaft types, input multiples of the number of required shafts as the order quantity.
(Example) required shafts: 2(-II)⇒ Order quantity: "2, 4, 6..."
Required shafts: 3 3(-III)⇒ Order quantity: "3, 6, 9..."
Please place your orders in this manner.Days to Ship: 38 Day(s) or more -
Full-Ball Type LM Guide Wide Rail HRW Type
THK
A structure with a wide rail width and low center of gravity. HSR It is advantageous when there are Mc moment requirements and is thin compared with.
[Features]
· Circulates the ball row using the end plate that is assembled in the LM block when the ball rotates the rotating side with four rows that have been precision ground into the LM block and LM rail.
· Compact heavy load: A high number of effective balls makes it possible to obtain high rigidity in all directions. Has a wide rail width and can adequately withstand moments with a single shaft.
There is a high rigidity in the horizontal direction and there is no need to for reinforcement such as horizontal pressing due to large secondary moments being incurred on the rail cross-section.
· The self-aligning capability achieved from the unique circular arched-groove front face combination (DF set) makes it possible to absorb the mounting error even when there is a preload incurred, and it is also capable of obtaining a smooth linear motion at a high accuracy.Days to Ship: 7 Day(s) or more -
Miniature Full-Ball Type LM Guide SRS-G Type
THK
Lightweight and compact structure.
[Features]
· The LM block is designed to ensure rigidity within a limited space.
· Combining with large diameter balls can provide rigidity in each direction.
· Capable of receiving loads in all directions, and a single-rail guide can adequately operate under a small moment load.
· Despite its compact-size, it is a finite stroke type of cross roller guide and ball slide.
· A highly reliable and compact linear motion system with no problematic cage misalignment.
· LM block, LM rail, and ball are all compatible with stainless steel.Days to Ship: 19 Day(s) or more -
[Short Delivery Size] Caged Ball LM Guide, International Standard, SHS Type
THK
A best selling THK product. The SHS series can be used in any position.
*When ordering multiple shaft types, input multiples of the number of required shafts as the order quantity.
(Example) required shafts: 2(-II)⇒ Order quantity: "2, 4, 6..."
Required shafts: 3 3(-III)⇒ Order quantity: "3, 6, 9..."
Please place your orders in this manner.Days to Ship: 6 Day(s) or more -
Full-Ball Type LM Guide for High Temperatures Model HSR-M1
THK
High temperature specifications that can be used in maximum temperatures of 150°C, and the grease can also be used in high temperature environments. Has low rolling resistance fluctuation in response to changes in temperature and a dimension consistency treatment has been applied, which has provided excellent dimensional consistency.
[Features]
· Circulates the ball row using the end plate that is assembled in the LM block when the ball rotates the rotating side with four rows that have been precision ground into the LM block and LM rail.
· Each of the rail rows has been positioned at a 45° contact angle so that the rated load will be the same for all four directions (radial direction, reverse radial direction, horizontal direction) that act on the LM block, which allows it to be used from any position.
· The LM guide for use in high temperatures can be used in even higher temperatures of up to 150°C as a result of using a unique technology for the materials, heat treatment, and lubricant.
· Can now be used in temperatures of up to 150°C by using stainless steel end rails and end rails that utilize rubber materials for use in high temperatures.
· A dimensional consistency treatment has been applied to achieve excellent dimensional consistency after applying heat or cooling (may thermally expand under high temperatures).
· The LM block, LM rail, and balls all use stainless steel with excellent corrosion resistance, which is ideal for use in clean rooms.
· Uses a grease for use in high temperatures with limited rolling resistance fluctuations resulting from grease even when the temperature fluctuates from a normal temperature to a high temperature.- CAD ：
- 2D
Days to Ship: 38 Day(s) or more -
Full-Ball Type LM Guide, Low Floor Wide Rail HRW Type
THK
Wide rail width and low center of gravity. It has a lower profile than HSR and is suitable for designs that require Mc moment rigidity.
[Features]
・ The balls roll on the 4 rows of rolling surfaces that have been precision ground on the LM rail and LM block, and the end plates incorporated in the LM block circulate the ball rows.
・ Compact heavy load: Since the number of effective balls is large, high rigidity can be obtained in all directions. Has a wide rail width and can adequately withstand moments with a single shaft.
In addition, since the rail has a large second moment of inertia, it has high lateral rigidity and does not require lateral reinforcement, etc.
・ Automatic adjustment ability: The unique front face combination (DF set) of the circular arc groove has the effect of automatic adjustment, which can absorb the mounting error even if a preload is applied, resulting in highly accurate and smooth linear motion.Days to Ship: 6 Day(s) or more -
Caged Ball LM Guide Low Floor Wide Rail SHW Type
THK
A structure with a wide rail and low center of gravity. Thinner than the SHS type, which is advantageous when Mc moment rigidity is required.
[Features]
· A highly rigid LM guide with superior high speed performance and that is maintenance-free over long periods of time. Also generates little noise thanks to the adoption of a ball retainer.
· The SHW, which has a structure with a wide LM rail and a low center of gravity, is ideal for use in locations where there are space limitations or when there are MC moment rigidity requirements.
· Each of the ball raceways have been positioned at a 45° contact angle so that the rated load will be the same in all 4 directions (radial direction, reverse radial direction, horizontal directions) that act on the LM block, allowing it to be used from any position and in a broad range of applications.
· The self-aligning capability achieved from the manufacturer's proprietary circular arched-groove front face assembly (DF set) makes it possible to absorb any mounting error, even when there is a preload. It also delivers a smooth linear motion at high accuracies.
· The ball retainers eliminate friction generated by the balls rubbing against each other, while the lubricant oil (agent) is maintained, providing superior low-dust performance.Days to Ship: 7 Day(s) or more -
[Short Delivery Size] Caged Ball LM Guide, Radial Type, SSR Type
THK
A best selling THK product. The SSR series is designed for spaces which require rigidity in the radial direction.
*When ordering multiple shaft types, input multiples of the number of required shafts as the order quantity.
(Example) required shafts: 2(-II)⇒ Order quantity: "2, 4, 6..."
Required shafts: 3 3(-III)⇒ Order quantity: "3, 6, 9..."
Please place your orders in this manner.Days to Ship: 7 Day(s) or more -
Caged Ball LM Guide, Low Floor Wide Rail SHW Type
THK
Wide rail width and low center of gravity. It has a lower profile than SHS and is suitable for designs that require Mc moment rigidity.
[Features]
・ A wide-type, high-rigidity LM guide that uses a ball retainer to enable low noise, long-term maintenance-free operation, and excellent high-speed performance.
・ The SHW type with a low center of gravity and a wide LM rail width is ideal for places where space saving is required and Mc moment rigidity is required.
・ Since each ball row is arranged with a contact angle of 45° so that the load rating is the same in the 4 directions (radial direction, reverse radial direction, lateral direction) acting on the LM block, it can be used in any position. It can be used for a wide range of purposes.
・ The unique front face combination (DF set) of the circular arc groove enables the automatic adjustment capability to absorb the mounting error even if a preload is applied, resulting in a highly accurate and smooth linear motion.
・ The ball retainer eliminates mutual friction between balls and retains lubricant oil (agent) so that dust is unlikely to occur.Days to Ship: 6 Day(s) or more
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| CAD |
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| Rail Length L(mm) |
| Block Type(mm) |
| Rail Width(mm) |
| Mounting Height H(mm) |
| Nominal Part Number |
| Rail Type |
| Set / Single Item |
| Preload(N・m) |
| Accuracy(N・m) |
| Material |
| Ball Arrangement |
| No. of Blocks(mm) |
| Retainer |
| Block Mounting Hole Pitch (Width Direction)(mm) |
| Block Mounting Hole Pitch (Length Direction)(mm) |
| Block Mounting Hole Diameter |
| Rail Mounting Hole Pitch(mm) |
| Rail Mounting Hole Diameter |
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| Brand | THK | THK | THK | THK | THK | THK | THK | THK | THK | THK | THK | THK | THK | THK |
| Product Series | [Short Delivery Size] Full-Ball Type LM Guide, International Standard, HSR Type | [Short Delivery Size] Caged Ball LM Guide, International Standard, SHS Type | [Short Delivery Size] Caged Ball LM Guide, Radial Type, SSR Type | |||||||||||
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| Days to Ship | 38 Day(s) or more | 38 Day(s) or more | 7 Day(s) or more | 6 Day(s) or more | 38 Day(s) or more | 38 Day(s) or more | 7 Day(s) or more | 19 Day(s) or more | 6 Day(s) or more | 38 Day(s) or more | 6 Day(s) or more | 7 Day(s) or more | 7 Day(s) or more | 6 Day(s) or more |
| Rail Length L(mm) | 30 ～ 2000 | 25 ～ 3000 | 47 ～ 3000 | 73 ～ 3000 | 71 ～ 3000 | 47 ～ 3000 | 38 ～ 3000 | 32 ～ 2000 | 73 ～ 3000 | 67 ～ 1500 | - | 38 ～ 3000 | 1481 ～ 3000 | 53 ～ 3000 |
| Block Type(mm) | Standard / Wide / Long | Standard / Wide | Standard / Short / Wide / Wide Short | Standard / Wide | Standard / Wide | Standard / Short / Wide | Wide | Standard / Wide | Standard / Wide | Standard | Wide | Wide | Standard / Wide | Wide |
| Rail Width(mm) | 7 ～ 42 | 8 ～ 63 | 15 ～ 70 | 15 ～ 34 | 15 ～ 63 | 15 ～ 34 | 18 ～ 120 | 9 ～ 42 | 15 ～ 34 | 15 ～ 28 | 18 ～ 69 | 18 ～ 90 | 15 ～ 34 | 18 ～ 69 |
| Mounting Height H(mm) | 6.5 ～ 25 | 11 ～ 90 | 24 ～ 85 | 24 ～ 55 | 24 ～ 90 | 24 ～ 48 | 12 ～ 60 | 10 ～ 25 | 24 ～ 55 | 28 ～ 45 | 12 ～ 35 | 12 ～ 50 | 24 ～ 48 | 12 ～ 35 |
| Nominal Part Number | 5W ～ 25 | 8 ～ 65 | 15 ～ SR70 | 15 ～ 35 | 15 ～ 65 | 15 ～ 35 | 12 ～ 60 | 9W ～ 25 | 15 ～ 35 | 15 ～ 30 | 12 ～ 35 | 12 ～ 50 | 15 ～ 35 | 12 ～ 35 |
| Rail Type | Standard / Wide | Standard | Standard | Standard | Standard | Standard | Wide | Standard / Wide | Standard | Standard | Wide | Wide | Standard | Wide |
| Set / Single Item | Set | Set | Set | Set | Set | Set | Set | Set | Set | Set | Set | Set | Set | Set |
| Preload(N・m) | Standard / Light Preload | Standard / Light Preload / Medium Preload | Standard / Light Preload / Medium Preload | Standard | Standard / Light Preload / Medium Preload | Standard / Light Preload | Standard / Light Preload / Medium Preload | Standard / Light Preload | Standard | Standard / Light Preload / Medium Preload | - | Standard / Light Preload / Medium Preload | Standard | Standard |
| Accuracy(N・m) | Standard Grade / High Grade / Precision Grade | Standard Grade / High Grade / Precision Grade / High Precision Grade / Ultra Precision Grade | Standard Grade / High Grade / Precision Grade / High Precision Grade / Ultra Precision Grade | Standard Grade | Standard Grade / High Grade / Precision Grade / High Precision Grade / Ultra Precision Grade | Standard Grade / High Grade / Precision Grade / High Precision Grade / Ultra Precision Grade | Standard Grade / High Grade / Precision Grade / High Precision Grade / Ultra Precision Grade | Standard Grade / High Grade / Precision Grade | Standard Grade | Standard Grade / High Grade / Precision Grade / High Precision Grade / Ultra Precision Grade | - | Standard Grade / High Grade / Precision Grade / High Precision Grade / Ultra Precision Grade | Standard Grade | Standard Grade |
| Material | Stainless Steel | Carbon Steel / Stainless Steel | Carbon Steel / Stainless Steel | Carbon Steel | Carbon Steel | Carbon Steel / Stainless Steel | Carbon Steel / Stainless Steel | Stainless Steel | Carbon Steel | Stainless Steel | Carbon Steel / Stainless Steel | Carbon Steel / Stainless Steel | Carbon Steel | Carbon Steel / Stainless Steel |
| Ball Arrangement | Standard | 4-Row, Circular | 4-Row, Circular | 4-Row, Circular | 4-Row, Circular | 4-Row, Circular | 4-Row, Circular | Standard | 4-Row, Circular | 4-Row, Circular | 4-Row, Circular | 4-Row, Circular | 4-Row, Circular | 4-Row, Circular |
| No. of Blocks(mm) | 1 ～ 9 | 1 ～ 9 | 1 ～ 9 | 1 ～ 9 | 1 ～ 9 | 1 ～ 9 | 1 ～ 9 | 1 ～ 9 | 1 ～ 9 | 1 ～ 9 | - | 1 ～ 9 | 1 ～ 9 | 1 ～ 4 |
| Retainer | Available | N/A | N/A | N/A | Available | Available | N/A | N/A | Available | N/A | N/A | Available | Available | Available |
| Block Mounting Hole Pitch (Width Direction)(mm) | 15 ～ 45 | 10 ～ 142 | 26 ～ 90 | 26 ～ 82 | 26 ～ 142 | 26 ～ 60 | 21 ～ 180 | 15 ～ 45 | 26 ～ 82 | 11.5 ～ 40 | 21 ～ 107 | 21 ～ 144 | - | 21 ～ 107 |
| Block Mounting Hole Pitch (Length Direction)(mm) | 10 ～ 35 | 10 ～ 120 | 26 ～ 90 | 26 ～ 72 | 26 ～ 120 | 26 ～ 50 | 12 ～ 80 | 10 ～ 35 | 26 ～ 72 | 18 ～ 60 | 12 ～ 60 | 12 ～ 80 | - | 12 ～ 60 |
| Block Mounting Hole Diameter | 3 ～ 6 | 2 ～ 16 | 4 ～ 16 | 4 ～ 10 | 4 ～ 16 | 4 ～ 8 | 3 ～ 10.5 | 3 ～ 6 | 4 ～ 8.5 | 4 ～ 8 | 3 ～ 8 | 2.5 ～ 10 | - | 3 ～ 8 |
| Rail Mounting Hole Pitch(mm) | 20 ～ 60 | 20 ～ 150 | 60 ～ 150 | 60 ～ 80 | 60 ～ 150 | 60 ～ 80 | 40 ～ 105 | 20 ～ 60 | 60 ～ 80 | 60 ～ 80 | 40 ～ 80 | 40 ～ 80 | - | 40 ～ 80 |
| Rail Mounting Hole Diameter | 3 ～ 7 | 2.4 ～ 18 | 3.5 ～ 18 | 4.5 ～ 9 | 4.5 ～ 18 | 4.5 ～ 9 | 4.5 ～ 11 | 3.5 ～ 7 | 4.5 ～ 9 | 4.5 ～ 9 | 4.5 ～ 7 | 4.5 ～ 9 | - | 4.5 ～ 7 |
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Specification/Dimensions
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Rail Length L(mm)
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- 75
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[25-3000/1mm Unit(s)]
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Block Type(mm)
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Wide Short
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Rail Width(mm)
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Mounting Height H(mm)
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Nominal Part Number
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Rail Type
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Standard -
Wide
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Set / Single Item
- Set
- Block Only
- Rail Only
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Preload(N・m)
- Standard
- Light Preload
- Medium Preload
- Clearance
- Heavy Preload
See the accuracy standard of each manufacturer.
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Accuracy(N・m)
- Standard Grade
- High Grade
- Precision Grade
- High Precision Grade
- Ultra Precision Grade
See the accuracy standard of each manufacturer.
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Material
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Ball Arrangement
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No. of Blocks(mm)
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Retainer
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Block Mounting Hole Pitch (Width Direction)(mm)
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Block Mounting Hole Pitch (Length Direction)(mm)
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Block Mounting Hole Diameter
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Rail Mounting Hole Pitch(mm)
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Rail Mounting Hole Diameter
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