Linear bearing

Linear bearing

Precision Rolled Ball Screw for High-Load Industrial Automation Systems

Stop losing uptime to premature ball screw wear in high-cycle automation lines — this precision ball screw delivers consistent positioning accuracy and extended service life, even under sustained 150 kN dynamic loads. Engineered for OEMs and Tier-1 suppliers who can’t afford unplanned gearbox downtime in wind turbine drivetrains or steel mill actuators, it integrates seamlessly with existing SKF-compatible mounts and lubrication interfaces. LM-series profile with ground C7 lead accuracy (±23 µm/m) — critical for closed-loop servo repeatability Alloy steel core with optimized case hardening depth (0.8–1.2 mm) for fatigue resistance in bidirectional shock loading OEM/ODM support includes custom preload adjustment and anti-backlash nut assemblies Shipped pre-greased with Klüberplex BEM 41-132 and protected in moisture-barrier carton/pallet packaging

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Linear bearing

Rolled Ball Screw SFU2505-4 for Precision Automatic Control Machines

Get repeatable, sub-micron positioning accuracy in high-cycle automated systems — without the downtime or recalibration headaches common with worn or low-grade leadscrews. The rolled ball screw SFU2505-4 delivers OEM-grade precision for automatic control machines where motion integrity directly impacts yield and machine uptime. Preloaded double-nut design (SFU2505-4/2 variant available) eliminates axial backlash — critical for closed-loop servo systems Made from hardened alloy steel with ground raceways, not just rolled threads, ensuring 30%+ longer service life under continuous 10,000+ km stroke cycles OEM/ODM supported with custom shaft ends, lubrication ports, and preload tuning — no minimum order for engineering collaboration Backed by our in-house SKF-certified motion engineers who’ve solved >200 bearing & actuator integration cases in wind, steel, and automotive lines

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Linear bearing

Flange Linear Bearings LMF25UU–LMF40UU for High-Precision Motion Control

Get rock-solid motion control and repeatable positioning in CNC machines, robotic arms, and precision assembly systems — without unexpected downtime or costly alignment rework. Our flange linear bearing series (LMF25UU–LMF40UU) delivers true SKF-compatible performance with an oval flange design that eliminates rotational slip under high moment loads — a common failure point in open-type linear guides. Oval flange geometry ensures precise bolt-hole registration and resists torque-induced twisting during high-speed reciprocation Alloy steel construction with hardened raceways meets ISO 3095 vibration resistance specs for industrial automation Open-type LM-series profile allows direct integration with standard aluminum extrusion rails — no custom mounting brackets needed Backed by our in-house SKF-certified engineering team for application validation and predictive maintenance support

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Linear bearing

Precision Ground Ball Screw 5012 for High-Load Industrial Automation

Stop losing precision and uptime in high-load automation systems — the Precision Ground Ball Screw 5012 delivers repeatable sub-micron positioning under sustained radial loads, even after thousands of cycles. Engineered for OEMs and heavy-industry operators who can’t afford drift or downtime, it eliminates the costly guesswork behind retrofitting legacy motion systems. LM series design with hardened alloy steel core and precision-ground P1-grade lead accuracy (±0.023 mm/300 mm) OEM/ODM supported — including custom preload adjustment and integrated lubrication grooves for extreme-duty cycles Carton + pallet packaging ensures zero transit deformation — critical for long, slender screws prone to bending during global logistics Made in China under ISO 9001–certified production, with full traceability down to heat lot and grinding batch

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Linear bearing

LM20–LM40UU Linear Bearings for Precision Motion Control

Get smoother, longer-lasting motion control in high-precision CNC machines and wind turbine pitch systems—without compromising on speed or corrosion resistance. The LM20UU linear bearing delivers true SKF-compatible performance with tighter internal tolerances (P5-grade shaft fit) and optimized recirculation geometry that reduces heat buildup at sustained 2.5 m/s speeds. Alloy steel construction with hard-chrome plating for extended service life in humid, saline, or particulate-heavy environments OEM/ODM-ready with full dimensional compliance to ISO 10285—no retrofitting needed for existing LM20–LM40UU bearing housings Pre-lubricated with synthetic grease rated for –30°C to +120°C operation, eliminating early-stage maintenance headaches Carton-and-pallet packaging ensures zero transit damage—critical when your production line waits on one missing component

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Linear bearing

High Precision Square Flange Linear Bearing LMF35UU–12mm for CNC Machinery

Get smoother, more repeatable motion in your CNC machinery — with zero compromise on rigidity or positional accuracy. The High Precision Square Flange Linear Bearing LMF35UU–12mm delivers true SKF-compatible performance for demanding precision applications, especially where misalignment tolerance and mounting stability are non-negotiable. Features a hardened alloy raceway with micro-ground square flange surfaces — critical for eliminating rotational play under high lateral loads OEM/ODM-ready with full traceability and ISO 9001-certified production (10,000 units/month capacity) Pre-lubricated with high-temperature lithium complex grease — extends service life in continuous-duty CNC environments Drop-in replacement for existing LMF35UU linear bearing systems, including exact 12mm shaft compatibility and identical mounting bolt pattern

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Linear bearing

LMF30LUU Linear Bearing with Circular Flange for CNC Precision Motion

Eliminate positional drift and extend CNC machine uptime with the LMF30LUU linear bearing, engineered for repeatable sub-micron accuracy in continuous high-cycle motion. Built for industrial automation teams who can’t afford unplanned stops or rework due to guide rail misalignment. Features a precision-ground circular flange with ±0.015 mm runout tolerance — critical for maintaining parallelism between carriage and base plate in multi-axis gantries Alloy steel housing with hardened raceways ensures consistent preload retention under 25+ kN radial loads, even after 500,000+ strokes Fully compatible with standard SKF LM30UU rail profiles — no redesign, no recalibration, just drop-in reliability OEM/ODM supported with rapid prototyping and custom flange bolt patterns for legacy machine retrofits

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Linear bearing

LM10UU Linear Bearing for CNC Machines – High-Precision 10mm Shaft Support

Eliminate positional drift and extend CNC machine uptime with the LM10UU linear bearing — a high-precision 10mm shaft support engineered for repeatable accuracy under continuous load cycles. Open-type design allows easy re-lubrication without disassembly — critical for minimizing unplanned downtime in high-utilization machining environments Alloy steel construction with P5 precision rating ensures sub-micron runout control, even after thousands of reciprocating strokes Compact 12×21×30mm footprint fits tight-mounting CNC axes while maintaining full 10mm shaft engagement depth — a detail that separates true motion-system compatibility from generic substitutes In stock and shipped within 3–7 days globally, backed by SKF-certified engineering support for application-specific alignment and preload validation

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Linear bearing

Stainless Steel Linear Motion Bearings LM3UU–LM8SUU for Corrosion-Resistant Applications

Eliminate unexpected downtime in humid, saline, or washdown environments—these stainless steel linear motion bearings deliver consistent, low-friction guidance where standard carbon steel units would pit, seize, or fail prematurely. Engineered for food processing lines, marine equipment, and outdoor renewable energy systems, the stainless steel linear bearing range (LM3UU–LM8SUU) resists corrosion without sacrificing precision or load capacity. True marine-grade 440C stainless construction—not just plated or coated—ensures long-term dimensional stability under cyclic moisture exposure Circular flange + open design enables rapid integration into existing LM-series guide shafts while simplifying cleaning and inspection Pre-lubricated with food-grade grease (ISO 21469 compliant), eliminating re-lubrication intervals in sealed or hard-to-access installations Each unit features ground inner race geometry—critical for maintaining ≤0.005 mm runout in high-speed indexing applications

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Linear bearing

LM12UU linear bearing 12mm for 3D printers – precision GCr15 steel

Get smoother, quieter, and more repeatable motion in your 3D printer or light-duty CNC — without sacrificing rigidity or precision. The LM12UU linear bearing 12mm delivers true GCr15 steel hardness (HRC 60–64) and ground inner/outer raceways for consistent preload retention and minimal runout — a detail that separates reliable guidance from premature wobble or binding. Engineered for high-cycle applications where shaft deflection and thermal drift matter — not just static load ratings Fully compatible with standard 12mm hardened chrome shafts (Ø12h6 tolerance), eliminating fit uncertainty during assembly OEM/ODM support available if you need custom seals, lubrication, or flange modifications for integration-critical builds Backed by our ISO 9001-certified supply chain and SKF-trained application engineers — ready to help optimize your full linear motion system

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Linear bearing

LMK40UU Square Flange Linear Bearing for Punching Machines

Stop downtime from misalignment and premature wear in high-cycle punching machines — the LMK40UU square flange linear bearing delivers rock-solid guidance under shock loads and repetitive impacts. Built for metal stamping lines where precision and repeatability are non-negotiable, it’s engineered to maintain tight running clearance even after thousands of strokes. Alloy steel housing with hardened raceways — not just surface-treated — ensures dimensional stability during thermal cycling OEM/ODM-ready with ISO-standard mounting dimensions (40 mm square flange, 25 mm bore), drop-in compatible with existing SKF-based tooling Packed in anti-rust cartons on pallets — no field corrosion risk, even after extended warehouse storage Rated for continuous operation at 1.2× standard dynamic load — critical when your press runs 24/7 with minimal maintenance windows

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Linear bearing

Self-Lubricating LM8UU Linear Bearings for 3D Printers – Maintenance-Free Operation

Stop worrying about seized rods, sticky motion, or unexpected downtime in your 3D printer’s gantry — this self-lubricating LM8UU linear bearing delivers maintenance-free operation for thousands of print hours. Engineered for precision repeatability and smooth travel under light-to-moderate loads, it eliminates the need for periodic grease reapplication — a common pain point when running high-duty-cycle machines across shifts or unattended prints. Features an open-type housing with circular flange design — critical for proper shaft contact and thermal expansion relief in enclosed printer frames Made from hardened alloy steel with PTFE-impregnated bronze liner (not just coated plastic), ensuring true low-friction performance even after 50k+ cycles OEM/ODM-ready with ISO-compliant tolerances: inner diameter held to ±0.005 mm — no more wobble or layer shifting from bearing play Corrosion-resistant surface treatment withstands humid workshop environments and incidental exposure to cleaning solvents

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