SR15TB1UU+160L
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Overview |
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| Part Number | SR15TB1UU+160L |
Brand: LILY ![]() |
Interchangeable With: THK |
Characteristics |
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| System of Measurement | Metric |
| Series | LM Linear Guide (Full Ball Type) |
| Assembly Type | Low Assembly |
| Block Model | SR15TB1UU(GK)BLOCK |
| Block Type | Flange Type |
| Load Type | Heavy Load |
| Rail Mounting Type | Locking |
| Number of blocks | 1 |
| Standard Lubrication Nipple | PB1021B |
| Rail Model | SR15-160L |
| Number of Rail Holes | 3 |
Dimensions |
|
| Size | 15 mm |
| Assembly Height (H) | 24 mm |
| Distance from Block Bottom to Rail Bottom (H1) | 5.8 mm |
| Distance from Both Sides of Rail to Both Sides of Block (N) | 18.5 mm |
| Block Width (W) | 52 mm |
| Block Mounting hole Width (B) | 41 mm |
| Grease Nipple Length (G) | 5.5 mm |
| Block Mounting hole Length (C) | 26 mm |
| Block Length (L) | 57 mm |
| Rail Length | 160 mm |
| Rail Width (WR) | 15 mm |
| Rail Height (HR) | 12.5 mm |
| Outer Diameter (D) | 6 mm |
| Hole Depth (h) | 4.5 mm |
| Inner Diameter (d) | 3.5 mm |
| Pitch (P) | 60 mm |
| End Distance (E) | 20/20 mm |
Performance |
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| Accuracy Classs | Normal C |
| Preload Code | ★Unmarked, Radial clearance with Preload -4~+2μm ★C1 Light Preload,Radial clearance with Preload -12~-4μm ★C0 Medium Preload |
| Basic Dynamic Rated Load (C) | 13.8 kN |
| Basic Static Rated Load (C0) | 20.5 kN |
| Static Rated Moment (MR) | 0.122 kN-m |
| Static Rated Moment (MP) | 0.0984 kN-m |
| Static Rated Moment (MY) | 0.0604 kN-m |
Properties |
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| Block weight | 0.2 kg |
| Rail weight | 1.2 kg-m |
The Heavy Low Profile Ball Type Linear Guideway features a Flange Type block, characterized by its extended flange base that provides a wider mounting surface, delivering enhanced stability and superior resistance to overturning moments. Despite its low-profile design that offers a reduced overall height for space-constrained installations, the Flange Type block maintains outstanding structural stability and precision linear motion, making it the ideal choice for heavy-duty industrial applications such as CNC machining centers and gantry systems where a compact footprint, secure mounting, and high performance are all required.
The Heavy Low Profile Ball Type Linear Guideway is designed for Heavy Load applications, capable of withstanding exceptionally high radial, lateral, and reverse loads simultaneously. Despite its low-profile design that offers a reduced overall height for space-constrained installations, its robust construction and precision ball recirculation system ensure smooth, reliable linear motion even under demanding load conditions, making it the ideal choice for heavy-duty industrial environments such as CNC machining centers, large gantry systems, and heavy press machines where both a compact form factor and high load capacity are essential.
How does the Flange Type block resist overturning moments in a Low Profile guideway system?
The Flange Type block excels at resisting overturning moments in a Low Profile guideway system precisely because its wide flange base effectively compensates for the reduced vertical height of the overall system. In a low-profile configuration, the decreased block height naturally reduces the vertical moment arm available to resist tipping forces, which could potentially make the system more susceptible to overturning under offset or cantilevered loading. The extended flange base directly addresses this limitation by significantly increasing the horizontal contact area between the block and the mounting surface, distributing overturning forces across a much wider footprint. This results in greatly reduced stress concentration at the mounting interface, preventing structural deformation and maintaining motion accuracy even when persistent overturning loads are applied, making the Flange Type block the most effective choice for low-profile guideways subjected to asymmetric or offset loading conditions.
What are the typical applications that require a Heavy Load rated Low Profile Ball Type Linear Guideway?
Heavy Load rated Low Profile Ball Type Linear Guideways are deployed in applications that simultaneously demand high load capacity and a reduced installation height — a combination that conventional full-height guideways cannot provide. Typical applications include compact CNC machining centers where the machine structure has limited vertical clearance between the guideway mounting surface and the moving components, yet must withstand substantial cutting forces during heavy milling or boring operations; low-profile hydraulic and pneumatic press machines where the slide system must support large compressive loads within a restricted vertical envelope; flat-bed laser and plasma cutting machines where heavy steel plate workpieces exert significant loads on the guideway while the overall machine height must remain low for ease of material handling; compact automated stamping and forming lines where high cyclic loads are applied repeatedly within a space-constrained production environment; and precision coordinate measuring machines with low-profile slide systems where heavy workpieces must be supported and moved with exceptional accuracy. In all these cases, the Heavy Load rated Low Profile guideway provides the only viable solution that satisfies both the spatial and load performance requirements simultaneously.





