![[THK] — LM-GA-OP Linear Bush Metal Retainer Open Type (LM12GA-OP~LM120A-OP)](https://img.prosourcemro.com/2026/05/001-977-1024x825.png)
Linear Bushings
THK
[THK] — LM-GA-OP Linear Bush Metal Retainer Open Type (LM12GA-OP~LM120A-OP)
Family ID: THK-LM-GA-OP
LM-GA-OP type Linear Bush — metal retainer, open type. One ball circuit (50~80°) cut away from outer shell. Usable at shaft deflection support points. Clearance adjustable. For high-temperature environments. Oil hole standard. Shaft diameters: 12~120mm.
14 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| LM12GA-OP | THK Linear Bush metal retainer OP, shaft φ12mm, OD φ21mm, L=30mm | THK | Shaft Dia.: D0=12mm | Outer Dia.: D=21mm | Length: L=30mm | Retainer: Metal (high-temperature use) | Type: Open type (1 circuit cutaway, 50~80°) | Feature: Usable at shaft deflection support points | Oil Hole: Standard equipped | Clearance: Adjustable | ||
| LM13GA-OP | THK Linear Bush metal retainer OP, shaft φ13mm, OD φ23mm, L=32mm | THK | Shaft Dia.: D0=13mm | Outer Dia.: D=23mm | Length: L=32mm | Retainer: Metal (high-temperature use) | Type: Open type (1 circuit cutaway, 50~80°) | Feature: Usable at shaft deflection support points | Oil Hole: Standard equipped | Clearance: Adjustable | ||
| LM16GA-OP | THK Linear Bush metal retainer OP, shaft φ16mm, OD φ28mm, L=37mm | THK | Shaft Dia.: D0=16mm | Outer Dia.: D=28mm | Length: L=37mm | Retainer: Metal (high-temperature use) | Type: Open type (1 circuit cutaway, 50~80°) | Feature: Usable at shaft deflection support points | Oil Hole: Standard equipped | Clearance: Adjustable | ||
| LM20GA-OP | THK Linear Bush metal retainer OP, shaft φ20mm, OD φ32mm, L=42mm | THK | Shaft Dia.: D0=20mm | Outer Dia.: D=32mm | Length: L=42mm | Retainer: Metal (high-temperature use) | Type: Open type (1 circuit cutaway, 50~80°) | Feature: Usable at shaft deflection support points | Oil Hole: Standard equipped | Clearance: Adjustable | ||
| LM25GA-OP | THK Linear Bush metal retainer OP, shaft φ25mm, OD φ40mm, L=59mm | THK | Shaft Dia.: D0=25mm | Outer Dia.: D=40mm | Length: L=59mm | Retainer: Metal (high-temperature use) | Type: Open type (1 circuit cutaway, 50~80°) | Feature: Usable at shaft deflection support points | Oil Hole: Standard equipped | Clearance: Adjustable | ||
| LM30GA-OP | THK Linear Bush metal retainer OP, shaft φ30mm, OD φ45mm, L=64mm | THK | Shaft Dia.: D0=30mm | Outer Dia.: D=45mm | Length: L=64mm | Retainer: Metal (high-temperature use) | Type: Open type (1 circuit cutaway, 50~80°) | Feature: Usable at shaft deflection support points | Oil Hole: Standard equipped | Clearance: Adjustable | ||
| LM35GA-OP | THK Linear Bush metal retainer OP, shaft φ35mm, OD φ52mm, L=70mm | THK | Shaft Dia.: D0=35mm | Outer Dia.: D=52mm | Length: L=70mm | Retainer: Metal (high-temperature use) | Type: Open type (1 circuit cutaway, 50~80°) | Feature: Usable at shaft deflection support points | Oil Hole: Standard equipped | Clearance: Adjustable | ||
| LM38GA-OP | THK Linear Bush metal retainer OP, shaft φ38mm, OD φ57mm, L=76mm | THK | Shaft Dia.: D0=38mm | Outer Dia.: D=57mm | Length: L=76mm | Retainer: Metal (high-temperature use) | Type: Open type (1 circuit cutaway, 50~80°) | Feature: Usable at shaft deflection support points | Oil Hole: Standard equipped | Clearance: Adjustable | ||
| LM40GA-OP | THK Linear Bush metal retainer OP, shaft φ40mm, OD φ60mm, L=80mm | THK | Shaft Dia.: D0=40mm | Outer Dia.: D=60mm | Length: L=80mm | Retainer: Metal (high-temperature use) | Type: Open type (1 circuit cutaway, 50~80°) | Feature: Usable at shaft deflection support points | Oil Hole: Standard equipped | Clearance: Adjustable | ||
| LM50GA-OP | THK Linear Bush metal retainer OP, shaft φ50mm, OD φ80mm, L=100mm | THK | Shaft Dia.: D0=50mm | Outer Dia.: D=80mm | Length: L=100mm | Retainer: Metal (high-temperature use) | Type: Open type (1 circuit cutaway, 50~80°) | Feature: Usable at shaft deflection support points | Oil Hole: Standard equipped | Clearance: Adjustable | ||
| LM60GA-OP | THK Linear Bush metal retainer OP, shaft φ60mm, OD φ90mm, L=110mm | THK | Shaft Dia.: D0=60mm | Outer Dia.: D=90mm | Length: L=110mm | Retainer: Metal (high-temperature use) | Type: Open type (1 circuit cutaway, 50~80°) | Feature: Usable at shaft deflection support points | Oil Hole: Standard equipped | Clearance: Adjustable | ||
| LM80GA-OP | THK Linear Bush metal retainer OP, shaft φ80mm, OD φ120mm, L=140mm | THK | Shaft Dia.: D0=80mm | Outer Dia.: D=120mm | Length: L=140mm | Retainer: Metal (high-temperature use) | Type: Open type (1 circuit cutaway, 50~80°) | Feature: Usable at shaft deflection support points | Oil Hole: Standard equipped | Clearance: Adjustable | ||
| LM100GA-OP | THK Linear Bush metal retainer OP, shaft φ100mm, OD φ150mm, L=175mm | THK | Shaft Dia.: D0=100mm | Outer Dia.: D=150mm | Length: L=175mm | Retainer: Metal (high-temperature use) | Type: Open type (1 circuit cutaway, 50~80°) | Feature: Usable at shaft deflection support points | Oil Hole: Standard equipped | Clearance: Adjustable | ||
| LM120A-OP | THK Linear Bush metal retainer OP, shaft φ120mm, OD φ180mm, L=200mm | THK | Shaft Dia.: D0=120mm | Outer Dia.: D=180mm | Length: L=200mm | Retainer: Metal (high-temperature use) | Type: Open type (1 circuit cutaway, 50~80°) | Feature: Usable at shaft deflection support points | Oil Hole: Standard equipped | Clearance: Adjustable |
