![[THK] — LMK Linear Bush Square Flange Type (LMK6~LMK60)](https://img.prosourcemro.com/2026/05/001-992-1024x823.png)
Linear Bushings
THK
[THK] — LMK Linear Bush Square Flange Type (LMK6~LMK60)
Family ID: THK-LMK
LMK type Linear Bush — square (4-flat) flange type. Four flats on the round flange of LMF type; lower center height for compact design. Direct bolt mount to housing. Shaft diameters: 6~60mm. Short type (LMK8S) available for φ8mm. Synthetic resin retainer (max 80°C). Oil hole option (suffix OH).
14 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| LMK6 | THK Linear Bush square flange, shaft φ6mm, OD φ12mm, L=19mm, K=22mm | THK | Shaft Dia.: D0=6mm | Outer Dia.: D=12mm | Length: L=19mm | Flange OD: D1=28mm | Square Width: K=22mm | Type: Square flange (4-flat, compact center height) | Max Temp.: 80°C (standard retainer) | Oil Hole: Add suffix OH on order | ||
| LMK8S | THK Linear Bush square flange, shaft φ8mm, OD φ15mm, L=17mm, K=25mm | THK | Shaft Dia.: D0=8mm | Outer Dia.: D=15mm | Length: L=17mm | Flange OD: D1=32mm | Square Width: K=25mm | Type: Square flange (4-flat, compact center height) | Max Temp.: 80°C (standard retainer) | Oil Hole: Add suffix OH on order | ||
| LMK8 | THK Linear Bush square flange, shaft φ8mm, OD φ15mm, L=24mm, K=25mm | THK | Shaft Dia.: D0=8mm | Outer Dia.: D=15mm | Length: L=24mm | Flange OD: D1=32mm | Square Width: K=25mm | Type: Square flange (4-flat, compact center height) | Max Temp.: 80°C (standard retainer) | Oil Hole: Add suffix OH on order | ||
| LMK10 | THK Linear Bush square flange, shaft φ10mm, OD φ19mm, L=29mm, K=30mm | THK | Shaft Dia.: D0=10mm | Outer Dia.: D=19mm | Length: L=29mm | Flange OD: D1=39mm | Square Width: K=30mm | Type: Square flange (4-flat, compact center height) | Max Temp.: 80°C (standard retainer) | Oil Hole: Add suffix OH on order | ||
| LMK12 | THK Linear Bush square flange, shaft φ12mm, OD φ21mm, L=30mm, K=32mm | THK | Shaft Dia.: D0=12mm | Outer Dia.: D=21mm | Length: L=30mm | Flange OD: D1=42mm | Square Width: K=32mm | Type: Square flange (4-flat, compact center height) | Max Temp.: 80°C (standard retainer) | Oil Hole: Add suffix OH on order | ||
| LMK13 | THK Linear Bush square flange, shaft φ13mm, OD φ23mm, L=32mm, K=34mm | THK | Shaft Dia.: D0=13mm | Outer Dia.: D=23mm | Length: L=32mm | Flange OD: D1=43mm | Square Width: K=34mm | Type: Square flange (4-flat, compact center height) | Max Temp.: 80°C (standard retainer) | Oil Hole: Add suffix OH on order | ||
| LMK16 | THK Linear Bush square flange, shaft φ16mm, OD φ28mm, L=37mm, K=37mm | THK | Shaft Dia.: D0=16mm | Outer Dia.: D=28mm | Length: L=37mm | Flange OD: D1=48mm | Square Width: K=37mm | Type: Square flange (4-flat, compact center height) | Max Temp.: 80°C (standard retainer) | Oil Hole: Add suffix OH on order | ||
| LMK20 | THK Linear Bush square flange, shaft φ20mm, OD φ32mm, L=42mm, K=42mm | THK | Shaft Dia.: D0=20mm | Outer Dia.: D=32mm | Length: L=42mm | Flange OD: D1=54mm | Square Width: K=42mm | Type: Square flange (4-flat, compact center height) | Max Temp.: 80°C (standard retainer) | Oil Hole: Add suffix OH on order | ||
| LMK25 | THK Linear Bush square flange, shaft φ25mm, OD φ40mm, L=59mm, K=50mm | THK | Shaft Dia.: D0=25mm | Outer Dia.: D=40mm | Length: L=59mm | Flange OD: D1=62mm | Square Width: K=50mm | Type: Square flange (4-flat, compact center height) | Max Temp.: 80°C (standard retainer) | Oil Hole: Add suffix OH on order | ||
| LMK30 | THK Linear Bush square flange, shaft φ30mm, OD φ45mm, L=64mm, K=58mm | THK | Shaft Dia.: D0=30mm | Outer Dia.: D=45mm | Length: L=64mm | Flange OD: D1=74mm | Square Width: K=58mm | Type: Square flange (4-flat, compact center height) | Max Temp.: 80°C (standard retainer) | Oil Hole: Add suffix OH on order | ||
| LMK35 | THK Linear Bush square flange, shaft φ35mm, OD φ52mm, L=70mm, K=64mm | THK | Shaft Dia.: D0=35mm | Outer Dia.: D=52mm | Length: L=70mm | Flange OD: D1=82mm | Square Width: K=64mm | Type: Square flange (4-flat, compact center height) | Max Temp.: 80°C (standard retainer) | Oil Hole: Add suffix OH on order | ||
| LMK40 | THK Linear Bush square flange, shaft φ40mm, OD φ60mm, L=80mm, K=75mm | THK | Shaft Dia.: D0=40mm | Outer Dia.: D=60mm | Length: L=80mm | Flange OD: D1=96mm | Square Width: K=75mm | Type: Square flange (4-flat, compact center height) | Max Temp.: 80°C (standard retainer) | Oil Hole: Add suffix OH on order | ||
| LMK50 | THK Linear Bush square flange, shaft φ50mm, OD φ80mm, L=100mm, K=92mm | THK | Shaft Dia.: D0=50mm | Outer Dia.: D=80mm | Length: L=100mm | Flange OD: D1=116mm | Square Width: K=92mm | Type: Square flange (4-flat, compact center height) | Max Temp.: 80°C (standard retainer) | Oil Hole: Add suffix OH on order | ||
| LMK60 | THK Linear Bush square flange, shaft φ60mm, OD φ90mm, L=110mm, K=106mm | THK | Shaft Dia.: D0=60mm | Outer Dia.: D=90mm | Length: L=110mm | Flange OD: D1=134mm | Square Width: K=106mm | Type: Square flange (4-flat, compact center height) | Max Temp.: 80°C (standard retainer) | Oil Hole: Add suffix OH on order |
