Circular Flange Model LMCF-L SERIES

The THK LMCF L SERIES Linear Bushing, specifically the flanged type Circular Flange Model, represents a high-performance linear motion solution engineered for precision, durability, and ease of integration in demanding applications. This compact, flanged linear bushing is designed to facilitate smooth and accurate linear guidance along a shaft, utilizing a ball-bushing mechanism that minimizes friction and ensures reliable operation under various load conditions. Its circular flange design allows for straightforward mounting and secure fixation, making it an ideal choice for applications where space constraints and precise alignment are critical.

Key technical features of the LMCF L SERIES include its advanced ball retainer system, which prevents ball-to-ball contact and reduces noise and vibration during operation. The bushing is constructed from high-carbon chromium bearing steel, providing exceptional hardness and wear resistance, while the option for stainless steel components makes it suitable for corrosive environments. It incorporates a unique seal design that effectively excludes contaminants like dust, chips, and moisture, extending service life and reducing maintenance requirements. The flanged configuration enhances stability by distributing loads evenly and simplifying installation in compact assemblies, with standardized dimensions ensuring compatibility across a wide range of industrial setups.

Performance advantages of this linear bushing are evident in its high load capacity, both radial and moment loads, enabling it to handle substantial forces without compromising accuracy. The low coefficient of friction, achieved through precision-ground balls and optimized raceway geometry, results in smooth, consistent motion with minimal stick-slip, contributing to improved positioning repeatability and energy efficiency. Its long service life, even under high-speed or frequent reciprocating conditions, reduces downtime and total cost of ownership. Additionally, the LMCF L SERIES offers excellent resistance to shock and vibration, making it a dependable component in dynamic applications.

Typical applications span multiple industries, including industrial machinery, where it is commonly used in automated assembly lines, packaging equipment, and CNC machine tool slides to ensure precise linear movement. In automotive systems, it finds use in throttle controls, seat adjustment mechanisms, and transmission components, where reliability and compact design are paramount. For precision equipment, such as medical devices, semiconductor manufacturing tools, and optical instruments, the LMCF L SERIES provides the accuracy and smoothness required for sensitive operations. Its versatility also extends to robotics, material handling systems, and general automation, where it enhances performance in linear guides, actuators, and positioning stages. Overall, the THK LMCF L SERIES Linear Bushing delivers a robust, efficient solution for applications demanding high precision and durability in linear motion systems.

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Model No. Main dimensions Basic load rating
Inscribed bore diameter Outer diameter Length Flange diameter Dynamic
rating
C
Static
rating
C0

dr
Tolerance
D
Tolerance L Tolerance D1 Tolerance
mm mm mm mm mm mm mm mm N N
LMCF 6L Linear Bushing
6
12
0-0.013
35
±0.3
28
0-0.2
324
529
LMCF 8L Linear Bushing
8
15
0-0.013
45
±0.3
32
0-0.2
431
784
LMCF 10L Linear Bushing
10
19
0-0.016
55
±0.3
39
0-0.2
588
1100
LMCF 12L Linear Bushing
12
21
0-0.016
57
±0.3
42
0-0.2
657
1200
LMCF 13L Linear Bushing
13
23
0-0.016
61
±0.3
43
0-0.2
814
1570
LMCF 16L Linear Bushing
16
28
0-0.016
70
±0.3
48
0-0.2
1230
2350
LMCF 20L Linear Bushing
20
32
0-0.019
80
±0.3
54
0-0.2
1400
2750
LMCF 25L Linear Bushing
25
40
0-0.019
112
±0.3
62
0-0.2
1560
3140