Spherical Roller Bearing
LM20-40UU Linear Bearings High Precision Miniatur Motion
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

LM20-40UU Linear Bearings High Precision Miniatur Motion

Achieve smooth, precise linear motion in your miniaturized applications with the LM20-40UU Linear Bearings, designed to eliminate unwanted vibration and ensure consistent performance even in tight spaces. Crafted with P0-P2 precision ratings and a choice of Cc Iron, Ca Copper, or Nylon cages, these bearings balance durability and adaptability for everything from 3D printers to automated machinery.

  • Double-row spherical roller structure delivers reliable radial load handling, reducing maintenance needs in high-cycle operations
  • Grease or oil lubrication flexibility lets you tailor performance to your specific speed and environment requirements
  • Unseparated design ensures easy installation and alignment, minimizing downtime during setup

Technical Specifications
Product Name
LM20-40UU Linear Bearings High Precision Miniatur Motion
Category
Spherical Roller Bearing
Quality Standard
ISO 9001 / TS 16949
Lead Time
8-12 Weeks Custom
Minimum Order
Negotiable

15+ Certified Engineers On-Call

Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.

Product Specifications

Parameter Details
Model Number 23232/23232k/23232E
Bearing Type Spherical Roller Bearings
Precision Rating P0, P6, P5, P4, P2
Load Direction Radial Bearing
Rows Number Double
Clearance C0, C3, C4
Structure Spherical Roller
Rolling Body Roller Bearings
Seals Type Zz, 2RS, Open
Separated Unseparated
Cage Cc Iron Cage, Ca Copper Cage, Nylon Cage
Lubricate Grease or Oil
Outer Dimension 25mm-540mm
Specification 160*290*104 mm
Service OEM, ODM
Origin China

Application Suitability

Industry Typical Applications
Engineering Machinery Hydraulic cylinder pivot points, conveyor systems
Steel Metallurgy Rolling mill equipment, continuous casting machines
Mining Crushing machinery, vibrating screens
Automation Equipment Precision linear motion systems

Finding Reliable LM20-40UU Linear Bearings? Here’s What Actually Matters

Many buyers face the same frustration: spending hours searching for bearings that match both dimensional requirements and performance needs, only to receive products with inconsistent precision or early failure. When your equipment relies on smooth linear motion—whether in automation systems or precision machinery—choosing the wrong bearing can lead to costly downtime and rework.

Engineered for Consistent Miniature Motion Performance

The LM20-40UU Linear Bearings address these challenges with high-precision manufacturing and versatile design. As a supplier with extensive experience across bearing types—from spherical rollers to linear motion components—we ensure our products meet ISO 9001 standards through rigorous material and成品检验. This bearing’s compact size makes it ideal for miniature motion applications, while its compatibility with both grease and oil lubrication allows adaptation to various operating environments.

Optimal Conditions for LM20-40UU Linear Bearings

This linear bearing performs best in applications requiring smooth axial movement with moderate radial loads, such as automated assembly lines, 3D printing equipment, and small-scale robotics. Its precision rating options (P0 to P2) accommodate needs from general industrial use to high-accuracy positioning systems. The double-row roller design enhances load capacity, making it suitable for continuous operation under stable conditions where misalignment tolerance is critical.

Key Engineering Features That Impact Performance

Three critical specifications determine this bearing’s suitability for your application: precision rating, clearance, and cage material. The precision rating (P0-P2) directly affects positional accuracy—P2 grade, for example, minimizes runout in precision CNC systems. Clearance options (C0, C3, C4) allow adjustment for thermal expansion: C3 is recommended for high-temperature environments to prevent seizure. Cage material choice matters too: iron cages (Cc) offer durability in heavy-duty applications, while nylon cages reduce noise in low-speed, precision setups.

Why Precision Bearings Lower Total Operating Costs

Choosing a high-precision linear bearing like the LM20-40UU reduces long-term costs by minimizing unplanned downtime. Inferior bearings with poor dimensional control often cause excessive vibration, leading to premature wear of adjacent components. Our bearings undergo strict size and hardness testing, ensuring they meet tolerance requirements and resist deformation under load. This attention to quality translates to longer service life, fewer replacements, and lower maintenance labor costs over time.

Quality Assurance You Can Verify

Our production process follows ISO 9001 standards, with raw material inspections and成品检测 for dimensions, hardness, and surface finish. Each bearing comes with a warranty covering manufacturing defects, providing assurance that issues will be addressed promptly. We maintain a diverse inventory of bearings—including this LM20-40UU model—to support quick delivery, and our ability to handle OEM/ODM requests means we can adapt to custom specifications when needed.

Packaging & Shipping

  • Packaged in cartons with pallet options for bulk orders
  • Available from stock for immediate dispatch
  • Flexible shipping via courier, air, or sea freight
  • Low minimum order quantity, supporting both small and large volume purchases

Get Pricing for LM20-40UU Linear Bearings

Whether you need the standard LM20-40UU model or require a specific precision grade or cage material, we can provide a tailored quote. Share your application details, required quantity, and delivery location, and our team will confirm availability and pricing within 24 hours. Early inquiry ensures faster processing and helps avoid delays in your project timeline.

Frequently Asked Questions

Q: Can you supply bearings from other brands or models?

A: Yes, we support inquiries for all bearing brands and models, and can supply products according to your specified brand or dimensional requirements.

Q: How do I confirm if this bearing fits my equipment?

A: Provide your equipment’s required bearing dimensions (inner diameter, outer diameter, width) or model number, and our technical team will verify compatibility.

Q: What is your warranty policy for bearings?

A: We offer a warranty covering manufacturing defects; specific terms are outlined in the sales contract, and defective products can be replaced or refunded.

Q: What is the minimum order quantity for this bearing?

A: We accept low minimum order quantities, including small trial orders to test compatibility with your equipment.

Q: How long does shipping take, and what methods are available?

A: In-stock items ship immediately; delivery time depends on location, with options for express courier, air freight, or sea freight as needed.

Q: Do you offer OEM or ODM services for bearings?

A: Yes, we support OEM/ODM customization based on your drawings, specifications, or sample requirements.

Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
Contact us via email or phone for immediate assistance.

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Steel & Metallurgy

Rolling mill and continuous casting bearings rated for extreme temperatures, heavy loads, and aggressive lubricants.

Automotive & EV

Hub units, transmission, and electric motor bearings meeting TS 16949 requirements for passenger and commercial vehicles.

Precision Machinery

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Pumps, fans, compressors, and conveyor systems across all manufacturing sectors requiring reliable, cost-effective bearing solutions.

01

Authorized SKF Engineering Partner

Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.

02

15+ Certified Engineers On-Staff

In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.

03

ISO 9001 & TS 16949 Certified QC

Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.

04

Global Logistics to 50+ Countries

Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.

Performance Metrics

35%

Failures Prevented

70%

Downtime Reduction

25+

Years Experience

24h

Quote Response

78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.

Application Design

Engineering

Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.

Failure Analysis

Diagnostics

Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.

Predictive Maintenance

IIoT

IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.

Custom Modification

Custom

Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.

On-Site Installation

Support

Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.

Lifecycle Support

Lifecycle

Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.

Free samples available for orders over $50K

Validated against your KPIs before full production commitment.

Contact Engineering Team

-- Get In Touch

Request a Technical Consultation & Quote

Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.

Address

No. 377 Bansongyuan Road, Huangpu District, Shanghai, China

Free Sample Program

Orders over $50K qualify for free product samples

Test against your KPIs before full production commitment. Ask our engineers for details.

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ISO 9001 · TS 16949 · Authorized SKF Partner · Since 1998

SKF Authorized Engineering Partner

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