SR15SB2UU+460L
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Overview |
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| Part Number | SR15SB2UU+460L |
Brand: LILY  |
Interchangeable With: THK |
Characteristics |
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| System of Measurement | Metric |
| Series | LM Linear Guide (Full Ball Type) |
| Set/Single Item | Set |
| Assembly Type | Low Assembly |
| Block Model | SR15SB1UU(GK)BLOCK |
| Block Type | Wide Short |
| Load Type | Medium Load |
| Rail type | Standard |
| Rail Mounting Type | Locking |
| Number of blocks | 2 |
| Standard Lubrication Nipple | PB1021B |
| Rail Model | SR15-460L |
| Number of Rail Holes | 8 |
Dimensions |
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| Nominal Part Number | 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 Length (L) | 40.4 mm |
| Rail Length | 460 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) | 9.1 kN |
| Basic Static Rated Load (C0) | 11.7 kN |
| Static Rated Moment (MR) | 0.0694 kN-m |
| Static Rated Moment (MP) | 0.234 kN-m |
| Static Rated Moment (MY) | 0.149 kN-m |
Properties |
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| Block weight | 1.15 kg |
| Rail weight | 1.2 kg/m |
The Heavy Low Profile Ball Type Linear Guideway is designed for Medium Load applications, capable of withstanding moderate radial, lateral, and reverse loads with consistent precision and reliability. 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 under balanced load conditions, making it the ideal choice for industrial environments such as CNC machining centers, large gantry systems, and press machines where both a compact form factor and dependable medium load performance are required.
How does the Medium Load Low Profile guideway achieve smooth and precise motion under operating conditions?
Smooth and precise motion is achieved through a precision ball recirculation system that ensures continuous, uniform redistribution of load-bearing balls within the block. Under medium load conditions, contact stresses allow the lubricant film to maintain full separation between metal surfaces throughout the operating cycle, resulting in exceptionally smooth, low-friction motion with minimal heat generation. Combined with a precision-ground rail surface and a light to medium preload setting, the system delivers consistent positional accuracy across the full stroke length.
