Precision Bearings &
Industrial Components
SKDIN is a premier manufacturer specializing in miniature bearings, angular contact bearings, thrust bearings, and customized bearing solutions. We also supply high-quality fasteners including screws, nuts, bolts, and washers.
Precision Bearing Solutions
From miniature bearings as small as 1mm bore to custom-engineered solutions, we deliver precision components for the world's most demanding applications.
Slewing Bearing
Slewing bearings are our core flagship product; by utilizing premium SUJ2 (GCr15) steel and an advanced integral quenching process, we achieve P5-class precision and ensure a runout of less than 0.02 mm.
Learn More →Miniature Bearings
Precision miniature bearings from 1mm bore, ABEC-1 to ABEC-7 grades for aerospace, medical, and instrumentation.
Learn More →Angular Contact Bearings
15° to 40° contact angles with DB/DF/DT arrangements for combined radial and axial loads.
Learn More →Thrust Bearings
Single and double direction thrust bearings for heavy axial loads in machine tools and industrial equipment.
Learn More →Deep Groove Ball Bearings
Versatile bearings for high-speed applications with low friction and minimal maintenance requirements.
Learn More →Thin-section Bearings
Space-saving designs with constant cross-sections for robotics, semiconductor, and packaging equipment.
Learn More →Self-aligning Bearings
Compensate for shaft deflection and misalignment in heavy machinery and conveyor systems.
Learn More →Complete Fastener Solutions
Beyond bearings, SKDIN supplies a comprehensive range of high-quality fasteners — screws, bolts, nuts, washers, threaded rods, and pipe fittings — for construction, machinery, automotive, and electronics industries.
Screws
Machine screws, self-tapping screws, and specialty fasteners for wood, metal, and composites.
Bolts
Hex, carriage, and anchor bolts for structural and industrial high-strength connections.
Nuts
Hex, lock, wing, and flange nuts for reliable fastening across diverse applications.
Washers
Flat, spring, and lock washers for load distribution and vibration resistance.
Threaded Rods & Studs
Fully threaded rods and double-ended studs for long-span fastening and tensioning.
Pipe Fittings & Adapters
Thread adapters and pipe fittings for plumbing, HVAC, and industrial fluid systems.
Single Pass Printer
ZMK400 Single Pass Printer
The ZMK400 is a Compact Desktop high-precision, single-pass A4 inkget digital printing solution designed for the modern packaging industry. It offers unparalleled versatility, supporting a wide range of substrates including Cardboard Boxes (Cartons), Packaging Boxes, Paper Bags, Paper Sheets, Folding Boards, and various pre-formed packaging items. Whether it is Corrugated Paper, Honeycomb Paper, Kraft Paper, Kraft Board, White Cardboard, Offset Paper, Boxboard, Grey Board, or specialty materials like Paper Bag Paper, Cotton Paper, Rice Paper (Xuan Paper), Napkin Paper, Drawing Paper, and even Thin Wood Sheets.
Engineered to eliminate the high costs and long lead times of traditional plate-making, the ZMK400 is the perfect choice for both short-run custom jobs and high-volume industrial production. With an auto-adjustable printing height of up to 1–9 cm (customizable) and a standard 40cm printing width (expandable), it seamlessly adapts to various product dimensions. Capable of reaching speeds up to 30 meters per minute, it ensures your production line remains efficient and competitive.
Learn More ZMK400 Single Pass Printer
Industries We Serve
Our precision bearings and industrial components power critical applications across the world's most demanding industries.
Aerospace
Flight control systems, avionics, satellite mechanisms, and engine accessories.
Explore →Medical
Surgical robotics, diagnostic imaging, dental handpieces, and centrifuges.
Explore →Semiconductor
Wafer handling, inspection equipment, and lithography systems.
Explore →Machine Tools
High-speed spindles, CNC equipment, and precision rotary tables.
Explore →Manufacturing Excellence Since 2005
SKDIN is a premier manufacturer specializing in miniature bearings, angular contact bearings, thrust bearings, deep groove ball bearings, thin-section bearings, self-aligning bearings, and a wide array of customized bearing solutions.
Beyond manufacturing, we serve as a specialized supplier of precision bearings and industrial components. Our core product portfolio includes an extensive range of bearings alongside high-quality fasteners such as screws, nuts, bolts, and washers.
We combine exceptional manufacturing craftsmanship with profound supply chain expertise to deliver precision components for aerospace, medical, semiconductor, and machine tool applications worldwide.
Learn More About Us
Why Choose SKDIN
Custom Engineering
HMLV customization from prototype to production with application-specific designs.
Learn More →Quality Assurance
ISO 9001:2015 certified with full material traceability and certificates of conformity.
Learn More →Technical Support
One-stop support from design optimization to full-lifecycle maintenance.
Learn More →Fast Delivery
Optimized lead times with global shipping and stocking programs available.
Learn More →Manufacturing Excellence
Advanced CNC grinding, automated assembly, and precision measurement equipment.
Learn More →Global Supply Chain
Serving customers worldwide with reliable logistics and local support.
Learn More →Aerospace Bearing Solutions
Discover how SKDIN's precision bearings power critical aerospace applications — from flight control systems to satellite mechanisms.
Aerospace Case Study
Precision Bearings for Next-Gen Flight Control Systems
A leading aerospace manufacturer required ultra-precision miniature bearings for their next-generation flight control actuators. The bearings needed to withstand extreme temperature variations (-55°C to +200°C), high-speed rotation up to 30,000 RPM, and maintain ABEC-7 precision over a 25,000-hour service life.
Challenge
Extreme operating conditions requiring ABEC-7 precision with extended service life in flight-critical applications.
Solution
Custom-engineered 688 series with ceramic hybrid option, special heat-stabilized cage, and aerospace-grade lubrication.
Results
40% longer service life, 15% reduction in friction torque, zero field failures over 18 months of deployment.
Technical Resource Center
Download detailed technical specification sheets for our bearing products. Each document includes dimensional data, tolerance tables, load ratings, and customization options.
Miniature Bearings Technical Specification
- ABEC-1 to ABEC-7 precision grades
- Tolerance tables for ABEC-5 / ISO P5
- Surface treatment & customization options
Angular Contact Bearings Technical Specification
- ABEC-3 to ABEC-9 precision grades
- 4 contact angle configurations
- Arrangement options: DB, DF, DT, DBT
More Specification Sheets
Frequently Asked Questions
Find answers to common questions about our products, ordering process, and services.