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SBR Series Cylindrical Guide Set

Home · Products · Roller / Cylindrical Linear Guide Set · SBR Series Cylindrical Guide Set
  • SBR Series Cylindrical Guide Set
SBR Series Cylindrical Guide Set

SBR Series Cylindrical Guide Set

The SBR series is a standardized, modular cylindrical linear guide assembly. Its core components are high-strength, hardened, and chrome-plated precision shafts as rails, paired with high-performance linear ball bearings (linear bushings) and corresponding bearing housings and support bases. With its excellent cost-effectiveness, installation flexibility, wide availability, and reliable performance, it has become one of the most widely used guiding solutions in automation equipment, instrumentation, and various mechanical designs.

Inquiry
PREV: TBR Series High-precision Heavy-duty Cylindrical Guide Set Next: Built-in Type SGR Series Roller Guide

Technology

The core value of the SBR series lies in "achieving reliable linear motion at a lower cost," making it an excellent choice for engineers starting out and addressing a wide range of guiding needs.

Performance characteristics SBR Series Cylindrical Guide Rails Ball-screw linear guides (e.g. HGH series) Core Values
Core positioning An economical, flexible and versatile basic guidance solution. A professional solution offering high precision, high rigidity and high load capacity. An excellent value-for-money choice for the vast majority of non-extreme operating conditions.
System cost Very low. Components are highly standardised and widely available on the market, offering significant advantages in terms of procurement and replacement costs. Relatively high. Effectively controls overall costs in projects with limited budgets or high-volume applications.
Installation flexibility Very high. The spacing, quantity and arrangement (horizontal, vertical, suspended) of the guide shafts and support brackets can be flexibly configured, making it easy to achieve multi-axis parallel or special structures. Layout flexibility is limited by the mounting hole positions of the sliders. Offers greater design freedom and adaptability for mechanical engineering.
Load capacity Good. Suitable for light to medium loads. Load and torque resistance can be enhanced by increasing the number of guide shafts (e.g. dual-shaft support) or using extended bearings. High, with strong resistance to torsional forces. Meets a wide range of load requirements through flexible configuration options.
Accuracy grade Standard precision. Meets the guidance accuracy requirements for most automated equipment, conveyor lines, door opening and closing applications, etc. For higher precision requirements, precision-ground shafts and high-precision linear bearings can be selected. Available in a range of grades from standard to ultra-high precision. Achieves the optimal balance between precision and cost.
Maintenance and replacement Extremely straightforward. Individual components (shafts, bearings) can be replaced separately if damaged, without the need to scrap the entire system, resulting in low maintenance costs. Usually requires replacement of the entire set of sliders or guides. Reduces operating and maintenance costs throughout the equipment’s entire lifecycle.

Main System Components and Selection
1. Core Components:
Shaft: High-frequency hardened and chrome-plated hard shaft, with high surface hardness and wear resistance. (S45C and GCr15 materials are available for the shaft) Available in various diameters (e.g., φ12, φ16, φ20, φ50mm) and tolerance grades (e.g., g6, h7).
Linear Bearing: Standard linear ball bearing, available in metal housing type (LM OP series) and engineering plastic housing type (LM OP series), some with sealing rings for dust protection.
Support Unit: Includes fixed-end support base, floating-end support base, and intermediate support ring, used to fix the shaft and ensure its straightness.
2. Configuration Diversity:
Single-axis support: Basic form.
Dual-axis parallel support: Significantly improves torque resistance and load stability.
Matching linear bearing unit: The linear bearing is pre-installed in a block-shaped housing with mounting holes, forming a ready-to-use module for easier installation.
3. Selection Key Points:
Determine Load and Layout: Calculate the load, decide whether to use single-axis or dual-axis support, and plan the shaft length and support point positions.
Select Shaft Specifications: Choose the diameter based on load and rigidity requirements, select the length based on the stroke, and consider the support spacing to prevent shaft bending.
Select Bearing Type: Standard type for general environments, sealed type for dusty environments, and stainless steel type for corrosion resistance. 

Main Applications
Thanks to its cost-effectiveness and flexibility, the SBR series is used in almost all industrial fields:
Factory automation: Conveyor line push rods, material stops, automatic door slides, simple robotic arms.
Packaging and printing equipment: Paper feeding mechanisms, ink cartridge moving platforms, packaging machine folding mechanisms.
Medical and office equipment: Hospital bed adjustment mechanisms, printer head movement, scanner slides.
Agricultural and textile machinery: Seed drill furrow opener adjustment, textile machine spindle traverse devices.
Any application requiring reliable, low-cost linear guidance.

The SBR series cylindrical guide rail system is a timeless classic design in the field of linear motion. It may not have the most impressive performance parameters, but it is undoubtedly the most widely used, trustworthy, and cost-effective basic solution. Choosing the SBR series means choosing a reliable, economical, and highly flexible technological path, enabling you to incorporate reliable linear motion functions into your equipment with minimal risk and investment. It is a solid foundation for quickly transforming creative ideas into stable prototypes and mass-produced equipment.

Parameters

Model No.
Shaft
Diameter		 Dimensions of
Assembly (mm)		 Dimensions of Block(mm) Dimensions of Rail(mm) Basic Load
Rating		 Weight
Rail Block H W e h F W L B C S1 h1 B1 C1 P T S2 dyn.c stat.co slider
kg/pc		 guide rail
kg/m
SBRC10 SBR10UU φ10 33 36 10 15 24 36 32 25 20 M5 18 22 22 100 4 φ4.5 372 549 0.065 1.2
SBR10LUU 68  46  774  1020  0.13 
SBR12G SBR12UU φ12 39.5  40  10  17  27.6  40  39  28  26  M5 22.5  30  22  100  4  φ4.5 500  770  0.1  1.6 
SBR12LUU 75  50  1020  1548  0.2 
SBRC12 SBR12UU φ12 36  40  10  17  27.6  40  39  28  26  M5 19  32  22  100  4  φ4.5 500  770  0.1  1.6 
SBR12LUU 75  50  1020  1548  0.2 
SBRC13 SBR13UU φ13 36.5  40  10  17  27.6  40  39  28  26  M5 19.5  32  22  100  4  φ4.5 510  784  0.1  1.8 
SBRC16 SBR16UU φ16 45  45  12  20  33  45  45  32  30  M5 25  40  30  150  5  φ5.5 774  1180  0.15  2.6 
SBR16LUU 85  60  1548  2360  0.3 
SBRC20 SBR20UU φ20 50  48  12  23  39  48  50  35  35  M6 27  45  30  150  5  φ5.5 882  1370  0.2  3.6 
SBR20LUU 96  70  1764  2740  0.4 
SBRC25 SBR25UU φ25 60  60  12  27  47  60  65  40  40  M6 33  55  35  200  6  φ6.6 980  1570  0.45  5.4 
SBR25LUU 130  100  1960  3140  0.9 
SBRC30 SBR30UU φ30 70  70  18  33  56  70  70  50  50  M8 37  60  40  200  7  φ6.6 1570  2740  0.63  7.5 
SBR30LUU 140  110  3140  5480  1.26 
SBRC35 SBR35UU φ35 80  80  18  37  63  80  80  55  55  M8 43  65  45  200  8  φ9 1670  3140  0.92  10 
SBR35LUU 160  120  3440  6280  1.8 
SBRC40 SBR40UU φ40 90  90  20  42  72  90  90  65  65  M10 48  75  55  200  9  φ9 2160  4020  1.33  13.2 
SBR40LUU 175  140  4320  8040  2.66 
SBRC50 SBR50UU φ50 115  120  20  53  92  120  110  94  80  M10 62  95  70  200  11  φ11 3820  7940  3  20.7 
SBR50LUU 215  160  M12 7640  15880  6 

Drawings

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