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THK LM4
Linear Bushing
THK LM4
Linear Bushing
THK LM4 linear bushing, 4mm ID, 8mm OD, 12mm length. Compact linear bushing for precision instruments and small actuators.
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THK LM4 linear bushing, 4mm ID, 8mm OD, 12mm length. Compact linear bushing for precision instruments and small actuators.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
Technical Dimensions & Load Ratings
Confirm these values match your shaft, housing and application requirements before ordering.
Dimensions
| Bore Diameter (d) | 4mm |
| Outer Diameter (D) | 8mm |
| Width (B) | 12mm |
THK LM4
Linear Bushing
Technical Specifications
| Part Number | THK LM4 |
| Brand | THK |
| Bearing Type | Linear Bushing |
| Seal Type | Open |
| Bore (Inner Diameter) | 4 mm |
| Outer Diameter | 8 mm |
| Width / Thickness | 12 mm |
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Technical Datasheet
Download full specifications for THK LM4 — dimensions, load ratings, and material data.
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About the THK THK LM4
The THK THK LM4, is a linear bushing, in an open configuration for maximum speed and easy relubrication, featuring a 4mm bore, 8mm outer diameter, and 12mm width, and is in stock at Buy Bearings.
THK LM4 linear bushing, 4mm ID, 8mm OD, 12mm length. Compact linear bushing for precision instruments and small actuators.
Key Specifications
The THK LM4 linear bushing is specified with 4mm bore (inner diameter), 8mm outer diameter, 12mm width. The Open sealing arrangement protects against contamination and retains lubricant for extended service life.
Common Applications
Linear Bushings are commonly used in:
About Linear Bushings
Linear bearings are designed to provide smooth, low-friction motion along a straight line. They are essential in precision applications such as CNC machines, 3D printers, and automation systems.
Why Buy the THK LM4 from Buy Bearings?
- UK-authorised distributor with genuine THK products
- Expert technical support from our engineering team
- Competitive pricing with fast UK dispatch
- Full technical datasheet and cross-reference support
- 30-day returns on standard products
Frequently Asked Questions
What is a THK LM4 bearing?
The THK LM4 is a THK Linear Bushing with a 4mm bore, 8mm outer diameter and 12mm width. It is In Stock at Buy Bearings.
What are the THK LM4 dimensions?
The THK LM4 measures 4mm bore (inner diameter) × 8mm outer diameter × 12mm width.
What does Open mean on a bearing?
Open bearings have no seals or shields, allowing maximum speed and easy relubrication — best for clean, lubricated environments.
Is the THK LM4 in stock?
The THK LM4 is In Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).