Product Overview
The Linear Motion Block SBR16UU (SBR...UU series) is a high-precision, open-type linear motion ball slide unit engineered for heavy-duty and high-speed linear transmission systems. Manufactured by SIQIANG BEARING (SQ), a leading high-tech enterprise and vice president unit of the Lishui Rolling Functional Components Association, this slider block is designed to deliver exceptional rigidity, smooth movement, and minimal friction.
Featuring a robust aluminum alloy housing and an integrated high-grade linear slide bush (LM16UU-OP), the SBR16UU is the ideal standard component for building stable, deflection-resistant linear guide systems using supported rails.
Key Technical Specifications
MGN7 Linear Rail dimensional reference. All dimensions in mm. Refer to the parameter letters (H, W, B, C, L, WR, HR, D, P, E) in the tables below.
Table 1 - Block Dimensions (mm)
| Parameter |
Specification / Dimension |
| Model Designation |
SBR16UU |
| Matching Slide Bush |
LM16UU-OP |
| Housing Material |
High-strength Aluminum Alloy (Box-type)+ 2 |
| Shaft Diameter (h) | 20 mm |
| Dimensions (E×W×L×F) |
22.5 mm×45 mm×45 mm×33 mm |
| Open Slot Width (h1) / Angle (θ) |
10 mm / 80∘ |
| Mounting Hole Size (S×L1) |
M5×12 mm |
| Basic Dynamic Load Rating (CN) | 774 N |
| Basic Static Load Rating (C0N) | 1180 N |
| Unit Weight | 150 g |
Product Features & B2B Advantages
Precision Engineering & Zero Deflection
Designed to wrap securely around supported linear rails, the open-type SBR16UU bearing eliminates shaft bending and deflection under heavy loads, ensuring absolute accuracy for long-stroke industrial applications.
Premium Material & Quality Control
Produced in our modern 19,800 m2 facility utilizing over 100 sets of industry-leading CNC grinders and machining centers. Our strict quality control processes are backed by ISO9001 Quality Management System Certification, RoHS, and REACH compliance.
Excellent Industrial Durability
The built-in high-carbon chromium steel ball bearings provide a low friction coefficient, high load capacities (up to 1180 N static load), and an extended service lifespan.
Standardized & Interchangeable
Fully compliant with standard global dimensions, allowing direct replacement of worn parts in existing automated machinery without structural modifications.
Industrial Applications
Our Linear Motion Block SBR16UU is widely utilized by global OEMs and machinery builders in the following sectors:
CNC routers, laser engravers, and 3D printers
Factory automation systems and industrial robots
Packaging, textile, printing, and medical machinery
Precision measuring equipment and linear alignment systems
Why Choose SQ (SIQIANG BEARING)?
As an established manufacturer since 2007, SQ is a trusted supply chain partner for top-tier automation distributors like MISUMI, Yiheda, and i-Ant. We don't just supply products; we provide scalable manufacturing solutions:
B2B Customization (OEM/ODM)
We offer full custom flexibility for seals, plastic bags, inner boxes, master cartons, and custom logo laser marking.
Comprehensive Support
We provide operational installation videos and comprehensive assembly tutorials to assist your engineering teams.
Fast Prototyping & Sampling
Dedicated design support with physical sample testing available before bulk ordering.
Worry-Free Warranty
Enjoy a 1-year warranty alongside free replacement components for any operational wear-and-tear parts.
Gain a deeper understanding of why SQ is worthy of trust.
Packing & Global Logistics
Standard Packaging: Anti-rust oil coating → Sealed Plastic Bag → Individual Box → Industrial Master Carton. Custom branding is gladly accepted.
Global Export Capability: Possessing independent import and export rights, SQ bearings are successfully exported to Southeast Asia, Europe, the Americas, and Africa. We support flexible shipping terms for international B2B volume buyers.
Frequently Asked Questions
Q1: What are the exact dimensions and load capacities of the Linear Motion Block SBR16UU?
The Linear Motion Block SBR16UU features the following standardized technical specifications:
Shaft Diameter (h): 20 mm
Main Block Dimensions: E = 22.5 mm, W = 45 mm, L = 45 mm, and F = 33 mm
Open Slot Width (h₁): 10 mm with an open angle (Θ) of 80°
Mounting Bolt Holes (S× L₁): M5 × 12 mm
Load Ratings: Basic dynamic load rating (CN) of 774 N and a basic static load rating (C0N) of 1,180 N
Matching Slide Bush: It comes integrated with a premium LM16UU-OP open-type linear bearing.
Q2: Does SIQIANG Bearing offer OEM/ODM customization for B2B wholesale orders?
Yes, we provide full customization options to meet your brand's supply chain requirements. We can customize the seals (matching rings), plastic bags, inner paper boxes, and outer shipping cartons. Additionally, we offer custom laser logo marking directly on the aluminum slider blocks to support your proprietary product line. Custom design sampling and prototyping services are also available upon request.
Q3: What international quality and environmental certifications do your linear motion blocks hold?
Zhejiang Siqiang Bearing Manufacturing Co., Ltd. strictly adheres to rigorous global manufacturing standards. Our facility and production systems are ISO9001 Quality Management System certified (certified by Zhejiang Quanpin Certification Co., Ltd.). Furthermore, our products have successfully passed independent testing to obtain RoHS and REACH compliance certifications through Foxconn's Univis (Yuer Hongxin) testing laboratories, making them fully eligible for import into environmentally regulated markets like Europe and North America.
Q4: Which industries and brands commonly use your box-type aluminum slider blocks?
Our linear slider units are widely used in industrial automation, electronic packaging machinery, chemical and medical equipment, textile printing machinery, CNC routers, and 3D printing equipment. As an established Tier-1 manufacturer, we have long-standing supplier relationships with world-renowned automation component distributors, including MISUMI , Yiheda , and i-Ant .
Q5: What are your international shipping capabilities and target export regions?
We possess independent, self-operated import and export rights. Our high-precision Linear Motion Block SBR16UU units are exported worldwide, with a strong customer base and frequent shipments to Southeast Asia, Europe, the United States, and Brazil (South America). We accommodate flexible shipping terms to integrate seamlessly with your existing global logistics networks.
Q6: What kind of technical and after-sales support do you provide to engineering teams?
To ensure hassle-free machinery assembly for our global B2B clients, we provide detailed operational installation videos and comprehensive assembly tutorials. All SQ linear motion blocks come with a 1-year warranty. If any operational components suffer wear-and-tear damage during normal operation within the warranty period, we provide free replacement parts. (Note: To maximize product lifespan and prevent oxidization during storage or operation, we highly recommend regularly applying anti-rust oil.)
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