Dongfeng Bearing
SBS16 Single-Axis Linear Motion Slide Unit with Low-Profile Carriage
SBS16 single-axis low-profile linear motion slide unit with 18mm total system height - 40% lower than SBR16. Integrates 16mm hardened shaft, aluminum support rail, and low-profile bearing block delivering 5.2 kN dynamic load. Designed for desktop 3D printers, laser engravers, and compact automation equipment.
Key Features
- 18mm total system height - 40% lower than SBR16 and 60% lower than HGR15 guideway systems
- 5.2 kN dynamic load via double-row bearing block despite ultra-compact envelope
- 25mm mounting hole pitch for flexible positioning on compact machine frames
- Pre-assembled shaft + aluminum support + low-profile carriage - ready to bolt on
- Standard lengths 150-500mm with custom up to 1000mm
- Designed for desktop 3D printers, laser engravers, and compact automation equipment
Common Sourcing Problems & How We Solve Them
Buyer Pain Points
- Inconsistent dimensional tolerances across batches cause machine downtime and re-work costs
- Suppliers unable to provide material certs, inspection reports or CE documentation for customs clearance
- Long lead times and high MOQ requirements make sample evaluation and first orders difficult
Dongfeng Solution
- ISO 9001:2015 process controls with CMM dimensional inspection on every production batch
- Full documentation package: material cert, SGS test report, CE declaration, packing list on request
- Flexible MOQ from 1 piece for samples; bulk order lead time 15–20 working days
Performance Data
- 10+ years of linear motion component manufacturing — 50+ export markets served
- Hardness tested to HRC 58–62; dimensional tolerance held to JIS / ISO / DIN standard grade
- CE & SGS certified; ISO 9001:2015 quality management system in production
Utility record
| Unit Series | SBS 12 / 16 / 20 |
|---|---|
| Shaft Diameter | 16 mm |
| System Height | 18 mm |
| Shaft Material | GCr15 Chrome Steel, HRC 58-62 |
| Support Rail | Anodized Aluminum 6063-T5 |
| Dynamic Load | 5.2 kN |
| Static Load | 8.0 kN |
| Standard Lengths | 150-500 mm |
| Mounting Pitch | 25 mm |
| Max Length | 1000 mm (custom) |
Application fit notes
User Pain Point + Solution + Data
Desktop 3D printers, small-format laser engravers, and compact pick-and-place machines need single-axis linear motion with a profile height under 25mm - the SBR16 at 30mm height is too tall, and bare shaft-and-pillow-block systems lack the rigidity for precise deposition. The SBS16 solves this with a low-profile carriage design that reduces total system height to 18mm - 40% lower than the SBR16. The unit integrates a 16mm hardened shaft on an aluminum support rail with a single low-profile bearing block delivering 5.2 kN dynamic load. At 300mm standard length, the SBS16 fits within the compact envelope of desktop fabrication equipment.
Complete Specifications
| Parameter | Value |
|---|---|
| Unit Series | SBS 12 / 16 / 20 (low-profile) |
| Shaft Diameter | 16 mm |
| Total System Height | 18 mm (vs 30mm SBR16) |
| Shaft Material | GCr15 Chrome Steel, HRC 58-62 (induction hardened) |
| Support Rail | Anodized aluminum 6063-T5 |
| Carriage Type | Single low-profile bearing block |
| Dynamic Load (SBS16) | 5.2 kN |
| Static Load (SBS16) | 8.0 kN |
| Standard Lengths | 150 mm / 200 mm / 300 mm / 500 mm |
| Max Standard Length | 500 mm (custom up to 1000 mm) |
| Mounting Holes | Every 25 mm along support rail |
| Carriage Mounting Bolts | 4x M4 top-face |
Product Advantages
18mm Ultra-Low Profile
Total system height is 18mm - 40% lower than SBR16 and 60% lower than HGR15 guideway systems. Critical for compact desktop 3D printers, laser engravers, and portable measurement devices where vertical space is constrained.
18mm Height5.2 kN Load at Low Profile
Despite the compact envelope, the SBS16 delivers 5.2 kN dynamic load via its double-row bearing block. This is sufficient for desktop 3D printer gantries, small laser cutting heads, and compact pick-and-place Z-axes.
5.2 kN25mm Mounting Pitch
Denser mounting hole pitch (25mm vs 50mm on SBR) provides more flexible mounting positions on compact machine frames. Directly compatible with 20mm and 40mm aluminum extrusion bolt patterns.
25mm PitchPre-Assembled Unit
Shaft, aluminum support rail, and low-profile carriage arrive pre-assembled and aligned. Bolt the unit to a flat surface and the axis is functional - no separate component sourcing or alignment needed.
Ready to InstallEnterprise Strength
Xiamen Dongfeng Bearing Mechanical & Electrical Co., Ltd.Ltd. - established 2014, 10+ years in linear motion system manufacturing. Our 5,000 m² Xiamen facility operates 12 production lines with 200+ employees. The low-profile slide unit cell produces SBS series at 20,000+ units per month, serving desktop fabrication and compact automation markets.
Certifications: ISO 9001:2015, CE conformity, SGS factory audit. Export markets: 50+ countries including USA, Germany, Japan, South Korea, and Netherlands. Partners: Supplying desktop 3D printer manufacturers, laser engraver OEMs, and compact automation equipment builders.
Pre-sales: Application envelope verification and carriage load calculation. After-sales: 18-month warranty, installation guidance. Customer case: Supplied 8,000 SBS16-300 units to a Dutch desktop 3D printer manufacturer - 3-year supply, 0.03% defect rate, zero height-related design change requests.
Manufacturing, Exhibition & Quality Controltrol
Production Process & Quality Assuranceance
Process: GCr15 raw bar -> turning -> induction hardening (HRC 58-62) -> precision grinding (Ra ≤0.4 µm) -> aluminum extrusion cutting and drilling (25mm pitch) -> low-profile carriage machining -> ball circuit assembly -> unit pre-assembly with height verification (18mm ±0.1mm) -> packaging.�0.1mm) -> packaging.ng.
Quality testing: System height verified per unit (18mm ±0.1mm), shaft hardness batch-tested, carriage running smoothness 100% tested, mounting hole position verified on gauge. Exhibitions: Exhibited at Formnext (3D printing, Frankfurt), TCT Asia, and Maker Faire Shenzhen to reach desktop fabrication equipment builders.
FAQ
What is the MOQ for SBS16 low-profile slide units?
MOQ is 50 sets (1 rail + 1 carriage per set). Mixed lengths accepted with 50-set minimum per length. For custom lengths above 500mm, MOQ is 30 sets. Sample sets of 2-5 units available for qualified buyers.
What are the shipping options and lead time?
FOB Xiamen. In-stock standard lengths (150-300mm): 7-10 business days. Custom lengths (400-1000mm): 15-25 business days. Express courier (DHL/FedEx): 5-7 days for samples. Sea freight: 25-35 days to Europe, 18-25 days to USA.
How are SBS units packaged?
Each unit is anti-corrosion oiled, wrapped in foam, and packed in individual cartons. The low-profile design allows compact stacking - 20 units per outer carton for SBS12-SBS16. Bulk orders use pallet packing.
What payment methods do you accept?
T/T (30% deposit, 70% before shipment). L/C at sight for orders above USD 15,000. PayPal for sample orders under USD 2,000. Western Union for small orders on request.
Can I get a sample for testing?
Yes. Sample SBS16-200 units (200mm rail + 1 carriage) are available with buyer covering shipping. For bulk orders of 100+ sets, sample cost is fully credited. Provide your required length to arrange.
Do you offer OEM branding and custom lengths?
Yes. Custom laser-engraved logo on carriage for 100+ set orders. Custom rail lengths to 1000mm for 30+ set orders. OEM packaging for 300+ set orders. Custom mounting hole pitch for 500+ set orders - share your drawing.
Request a Quote for SBS16 Slide Units
Send your required length, quantity, and application details - we reply within one business day with pricing and lead time.
Request a QuoteWhy Buyers Choose Dongfeng Bearing
Xiamen Dongfeng Bearing Mechanical & Electrical Co., Ltd. — direct factory, 10+ years precision linear motion manufacturing
ISO 9001:2015, CE Declaration of Conformity, SGS test reports. Documentation available for EU and North American import requirements.
12 precision grinding and CNC machining lines; monthly output 500,000+ pieces across linear bearing and guideway series.
Germany, USA, Japan, South Korea, India, Southeast Asia and 40+ other countries. FOB Xiamen with DHL / FedEx / sea freight options.
Technical selection support before order. Dimensional drawing, material cert and inspection report with shipment. 12-month warranty on manufacturing defects.
Manufacturing Process & Quality Assurance
Precision Machining
CNC grinding centers hold ball raceway geometry to ±0.003 mm. Induction hardening targets contact zones to HRC 58–62 without embrittling the full body.
CMM Dimensional Inspection
Every batch passes coordinate measuring machine (CMM) verification. Key dimensions — bore, OD, length, raceway radius — are logged against JIS / ISO tolerance bands.
Certification & QC
ISO 9001:2015 controls govern raw material intake, in-process check, and final inspection. SGS and CE documentation issued on request for each shipment.
Trade Shows & Partnerships
Regular exhibitor at Canton Fair and Hannover Messe. Established supply partnerships with automation integrators and machine tool OEMs across Europe and Asia.
