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THK LM12
Linear Bushing
THK LM12
Linear Bushing
THK LM12 linear bushing, 12mm ID, 21mm OD, 30mm length. Standard linear bushing for 12mm shafts in automation and packaging machinery.
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Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
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THK LM12 linear bushing, 12mm ID, 21mm OD, 30mm length. Standard linear bushing for 12mm shafts in automation and packaging machinery.
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) | 12mm |
| Outer Diameter (D) | 21mm |
| Width (B) | 30mm |
THK LM12
Linear Bushing
Technical Specifications
| Part Number | THK LM12 |
| Brand | THK |
| Bearing Type | Linear Bushing |
| Seal Type | Open |
| Bore (Inner Diameter) | 12 mm |
| Outer Diameter | 21 mm |
| Width / Thickness | 30 mm |
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Technical Datasheet
Download full specifications for THK LM12 — dimensions, load ratings, and material data.
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About the THK THK LM12
The THK THK LM12, is a linear bushing, in an open configuration for maximum speed and easy relubrication, featuring a 12mm bore, 21mm outer diameter, and 30mm width, and is in stock at Buy Bearings.
THK LM12 linear bushing, 12mm ID, 21mm OD, 30mm length. Standard linear bushing for 12mm shafts in automation and packaging machinery.
Key Specifications
The THK LM12 linear bushing is specified with 12mm bore (inner diameter), 21mm outer diameter, 30mm 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 LM12 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 LM12 bearing?
The THK LM12 is a THK Linear Bushing with a 12mm bore, 21mm outer diameter and 30mm width. It is In Stock at Buy Bearings.
What are the THK LM12 dimensions?
The THK LM12 measures 12mm bore (inner diameter) × 21mm outer diameter × 30mm 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 LM12 in stock?
The THK LM12 is In Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Related Parts — Seals & Bushings
Matching seals and bushings for 12mm shaft diameter — complementary components for your bearing.
