Heavy-Duty Ball Bearing Linear Slides - SDC Series
Ways to Order
Ball bearing linear slide with a 43mm width, 1330mm length, and 610mm internal carriage for contained, high-load guided motion. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather than telescoping outward like a..
$1,420.39
Ball bearing linear slide with a 43mm width, 1970mm length, and 530mm internal carriage for high-load guided motion with a maximum stroke of 1390mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather..
$1,490.13
Ball bearing linear slide with a 43mm width, 1810mm length, and 530mm internal carriage for high-load guided motion with a maximum stroke of 1230mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather..
$1,455.21
Ball bearing linear slide with a 43mm width, 1650mm length, and 530mm internal carriage for high-load guided motion with a maximum stroke of 1070mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather..
$1,420.30
Ball bearing linear slide with a 43mm width, 1490mm length, and 530mm internal carriage for high-load guided motion with a maximum stroke of 910mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather..
$1,385.39
Ball bearing linear slide with a 43mm width, 1330mm length, and 530mm internal carriage for high-load guided motion with a maximum stroke of 750mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather..
$1,315.56
Ball bearing linear slide with a 43mm width, 1170mm length, and 530mm internal carriage for high-load guided motion with a maximum stroke of 590mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather..
$1,244.08
Ball bearing linear slide with a 43mm width, 1970mm length, and 450mm internal carriage for high-load guided motion with a maximum stroke of 1470mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather..
$1,420.21
Ball bearing linear slide with a 43mm width, 1810mm length, and 450mm internal carriage for high-load guided motion with a maximum stroke of 1310mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather..
$1,385.30
Ball bearing linear slide with a 43mm width, 1490mm length, and 450mm internal carriage for high-load guided motion with a maximum stroke of 990mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather..
$1,280.56
Ball bearing linear slide with a 43mm width, 1330mm length, and 450mm internal carriage for high-load guided motion with a maximum stroke of 830mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather..
$1,209.08
Ball bearing linear slide with a 43mm width, 1170mm length, and 450mm internal carriage for high-load guided motion with a maximum stroke of 670mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather..
$1,139.25
Ball bearing linear slide with a 43mm width, 1010mm length, and 450mm internal carriage for high-load guided motion with a maximum stroke of 510mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather..
$1,067.76
Ball bearing linear slide with a 43mm width, 930mm length and 450mm internal carriage for high-load guided motion with a maximum stroke of 430mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather..
$997.94
Ball bearing linear slide with a 43mm width, 1810mm length and 370mm internal carriage for high-load guided motion with a maximum stroke of 1390mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather..
$1,350.30
Ball bearing linear slide with a 43mm width, 1650mm length and 370mm internal carriage for high-load guided motion with a maximum stroke of 1230mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather..
$1,315.39
Ball bearing linear slide with a 43mm width,1490mm length and 370mm internal carriage for high-load guided motion with a maximum stroke of 1070mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather than..
$1,245.56
Ball bearing linear slide with a 43mm width, 1330mm length and 370mm internal carriage for high-load guided motion with a maximum stroke of 910mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather..
$1,174.08
Ball bearing linear slide with a 43mm width, 1170mm length and 370mm internal carriage for high-load guided motion with a maximum stroke of 750mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather..
$1,104.25
Ball bearing linear slide with a 43mm width,1010mm length and 370mm internal carriage for high-load guided motion with a maximum stroke of 590mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C-shaped rail profile, keeping the internal carriage captured inside the rail rather than..
$1,032.76
Heavy-duty ball bearing linear slides are guided linear motion assemblies in which an internal carriage travels inside a fixed C-shaped rail instead of telescoping beyond the rail like a full-extension drawer slide. The carriage carries the load, while a separate precision ball cage holds the steel balls between the carriage and rail surfaces. As the carriage moves, the ball cage floats between the carriage and rail and typically travels about half the carriage distance. This rolling contact provides low-friction guidance, distributes load across the bearing surfaces, and reduces wear. Because the carriage remains captured inside the rail envelope, the system provides contained linear motion with high rigidity and load support.
PBC Linear SDC Series slides use hardened steel rail and precision ball-cage technology in a fixed C-shaped linear guide configuration. Integrated mechanical end stops limit carriage travel and help protect internal components. The C-shaped rail can also support multiple internal carriages on a single rail, allowing modular and multi-carriage systems for heavy industrial motion. The enclosed geometry helps shield the rolling elements from debris while maintaining consistent guided travel.
SDC Series slides are available with single- or double-direction travel, strokes up to 1,310mm, rail lengths from 130mm to 1,970mm, and load capacities up to 65,272N. Typical applications include heavy industrial platforms, large access panels, robotics staging systems, machine access systems, and other equipment requiring high load capacity, durability, and motion contained within a fixed rail.
- Heavy-duty ball bearing linear slide with fixed C-shaped rail
- Internal load-carrying carriage remains within the rail envelope
- Precision ball cage provides low-friction rolling guidance
- Ball cage typically travels about half the carriage distance
- Multiple carriages can operate on a single rail
- Integrated mechanical end stops limit travel and protect internal components
- Single- and double-direction travel available
- Maximum stroke: up to 1,310mm
- Available rail lengths: 130mm to 1,970mm
- Load capacity: up to 65,272N
- Enclosed C-shaped geometry helps protect rolling elements from debris
Frequently Asked Questions
What is a ball bearing linear slide?
A ball bearing linear slide is a guided linear motion assembly that uses steel balls between a fixed rail and a moving carriage. The balls roll instead of slide, allowing the carriage to move with low friction while supporting and guiding the load.
What is a C-shaped rail in a ball bearing linear slide?
A C-shaped rail is a fixed linear guide rail with an open-sided cross section that surrounds and captures the moving carriage. In a ball bearing linear slide, the rail provides the stationary running surfaces for the steel balls.
How does a C-shaped ball bearing linear slide work?
In a C-shaped ball bearing linear slide, a carriage moves inside a fixed rail while steel balls roll between the carriage and rail surfaces. A precision ball cage holds and spaces the balls as they roll, providing low-friction guided motion under load.
What is the difference between a ball bearing linear slide and a drawer slide?
A ball bearing linear slide generally keeps its moving carriage inside a fixed guide rail, while a drawer slide typically uses two or more rail sections that telescope beyond one another. Both can use ball bearings, but their travel geometry and mounting purposes are different.
What does a captured carriage mean in a ball bearing linear slide?
A captured carriage remains mechanically retained inside the linear guide rail throughout its travel. It moves along the rail without telescoping completely outside the supporting structure.
What is a ball cage in a ball bearing linear slide?
A ball cage is a separate component that holds and spaces the steel balls between the moving carriage and fixed rail. It keeps the balls correctly positioned while allowing them to roll along the bearing surfaces.
Why does the ball cage travel about half the carriage distance in a ball bearing linear slide?
The fixed rail does not move, while the carriage moves over the steel balls. As each ball rolls between the stationary rail and moving carriage, its bottom contact point is momentarily stationary while its top contact point moves with the carriage. This makes the center of the ball travel at about half the carriage speed. Because the ball cage follows the centers of the balls, it also travels about half the carriage distance.
How do ball bearings reduce friction in a linear slide?
In a ball bearing linear slide, steel balls roll between the carriage and rail instead of allowing the two surfaces to slide directly against each other. Rolling contact generally creates less friction and wear than sliding contact.
What are mechanical end stops in a ball bearing linear slide?
Mechanical end stops are physical features that limit carriage travel at the ends of a ball bearing linear slide. They help keep the carriage and ball cage within their intended travel range.
Can a ball bearing linear slide use multiple carriages on one rail?
Yes. Some ball bearing linear slides can use multiple carriages on a single guide rail. This can distribute a load across more bearing points or allow several moving components to share the same rail.
What is single-direction versus double-direction travel in a ball bearing linear slide?
Single-direction travel allows the carriage to move mainly toward one end of the rail from its starting position. Double-direction travel allows the carriage to move in both directions from a central or intermediate starting position.
Why use a captured-carriage ball bearing linear slide instead of a telescoping slide?
A captured-carriage ball bearing linear slide keeps motion within a fixed rail envelope. This can provide greater containment and rigidity where the load does not need to extend beyond the guide rail.
Does a C-shaped ball bearing linear slide help protect the bearings from debris?
A C-shaped rail can partially shield the ball cage, steel balls, and running surfaces from direct exposure to debris. The amount of protection depends on the specific rail design and operating environment.
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