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LMFP-L-UU/LMKP-L-UU Recessed Flange Long Type Linear Bearing

Home · Products · Linear Bearing · LMFP-L-UU/LMKP-L-UU Recessed Flange Long Type Linear Bearing
  • LMFP-L-UU/LMKP-L-UU Recessed Flange Long Type Linear Bearing
  • LMFP-L-UU/LMKP-L-UU Recessed Flange Long Type Linear Bearing
LMFP-L-UU/LMKP-L-UU Recessed Flange Long Type Linear Bearing

LMFP-L-UU/LMKP-L-UU Recessed Flange Long Type Linear Bearing

The LMFP-L/LMKP-L series linear bearings are linear bearings that combine three core features: embedded flange (P-type), extended design (L-type), and round/square flange (F/K-type). While providing excellent heavy-duty capacity and bending rigidity, the embedded design achieves unparalleled installation stability and structural integrity. It is specifically designed for heavy-duty, high-end equipment with limited space, demanding operating conditions, and requirements for long-term operational accuracy and reliability.

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PREV: LMHP-L-UU Recessed Double-Cut Long Type Linear Bearing Next: LMHP-UU Recessed Double-Cut Linear Bearing

Technology

Core Sub-series Comparison and Selection Guide

Product Features LMFP-L-UU (Embedded Extended Circular Flange Type) LMKP-L-UU (Embedded Extended Flange Type) Core Selection Logic
Core Positioning A high-load, high-stability, flush-mounted solution for directional reinforcement. A comprehensive reinforcement solution offering ultra-heavy-duty moment resistance and flush mounting. For heavy loads, select the extended L-type first; if top-tier installation stability and torque resistance are also required, choose the embedded P-type and select either an F or K flange depending on the torque.
Design Integration and Advantages Embedded circular flange (P) + extended body (L).
Advantages: 1. High load capacity and rigidity: The extended body delivers a significant increase in load-bearing and bending resistance.
2. Ultra-stable connection: The embedded design provides optimal installation rigidity, offering resistance to vibration and impact.
3. Flush mounting: Compact and safe structure.		 Embedded flange (P) + extension body (L).
Advantages: 1. Unrivalled resistance to combined loads: the extended body provides bending resistance, the flange offers torsional resistance, and the embedded design ensures vibration resistance – a triple combination of benefits.
2. Unparalleled dynamic precision: maintains exceptional motion stability and positioning accuracy even under heavy loads and at high speeds.
3. Long-term reliability: minimises micro-movement and deformation at the source, resulting in a longer service life.		 The FP-L is the specialist for heavy-load stability, whilst the KP-L is the all-rounder for the most complex operating conditions.
Performance Extremely high. Minimal deformation and smooth operation when subjected to massive axial or directional loads. Extreme conditions. When subjected to combined harsh operating conditions such as heavy loads, large eccentric torques, and vibration impacts, its performance is unrivalled among standard components. When both ‘heavy’ and ‘unbalanced’ loads are present, the KP-L’s advantages are decisive.
Installation Requirements Requires precision-machined countersunk holes to match the embedded flange, ensuring optimal contact and stability. Requires precision machining of a rectangular recessed seat; whilst this involves the highest machining complexity and cost, it also delivers the greatest return on performance. To achieve ultimate performance, a corresponding investment in precision installation is required.
Typical Applications Embedded tool magazine drive shafts for heavy-duty vertical machine tools; flush-mounted heavy-duty lifting mechanisms for large-scale experimental equipment. Applications include: the embedded heavy-duty milling head attachment interface on high-end gantry machining centres; the high-stability core laying head guide on large composite filament laying machines; and the main guide shaft on heavy-duty precision presses. Intended for critical equipment where the asset value is high, downtime costs are substantial, and failures caused by support components are unacceptable.

Technical Focus: The Synergistic Effect of Three Features
1. Extension (L) is fundamental: It fundamentally improves the mechanical performance of the bearing body (load and bending rigidity), serving as the physical basis for addressing "heavy load" issues.
2. Embedded design (P) is key: It transmits the high performance provided by the extended body to the equipment frame through an optimal force flow path (short and direct), avoiding the weakness of standard flanges that can become a rigidity bottleneck, thus ensuring "stability".
3. Flange shape (F/K) is strategic: The round flange (F) provides convenience and directional support, while the square flange (K) provides comprehensive anti-torque capabilities, representing a strategic choice for addressing "load complexity".

Applications
The LMFP-L-UU/LMKP-L-UU recessed flange long type linear bearing is the ideal choice for core motion components in high-end equipment of national strategic importance:
Ultra-precision heavy-duty machine tools: Used in the core feed axes of five-axis linkage blade machining centers and ultra-heavy-duty CNC roll grinding machines.
New energy and aerospace manufacturing: Precision positioning mechanisms for giant main shaft processing equipment in wind power generation and large assembly platforms for spacecraft components.
Cutting-edge scientific research facilities: Heavy-duty sample stages and optical component adjustment mechanisms in synchrotron radiation sources and giant particle accelerators.

The LMFP-L-UU/LMKP-L-UU recessed flange long type linear bearing has surpassed the scope of traditional standard parts; it is an "industrial work of art" embodying deep engineering thinking. Through its ingenious design and combination of features, it unifies seemingly contradictory requirements such as heavy-duty capacity, extreme rigidity, and lasting stability into a single, ready-to-use, standardized product.

Parameters

NomInal shaft
diameter
(mm)		 Part No. Major dimenslons and tolerance
Steel dr D L Flange
LMF(K)P...LUU mm Tolerance(μm) mm Tolerance(μm) mm Tolerance(μm) I
mm		 Df
mm		 K
mm
6 LMFP 6L-UU 6 0-10 12 0-13 35 ±300 5 28 22
LMKP 6L-UU
8 LMFP 8L-UU 8 0-10 15 0-13 45 ±300 5 32 25
LMKP 8L-UU
10 LMFP 10L-UU 10 0-10 19 0-16 55 ±300 6 40 30
LMKP 10L-UU
12 LMFP 12L-UU 12 0-10 21 0-16 57 ±300 6 42 32
LMKP 12L-UU
13 LMFP 13L-UU 13 0-10 23 0-16 61 ±300 6 43 34
LMKP 13L-UU
16 LMFP 16L-UU 16 0-10 28 0-16 70 ±300 6 48 37
LMKP 16L-UU
20 LMFP 20L-UU 20 0-12 32 0-19 80 ±300 8 54 42
LMKP 20L-UU
25 LMFP 25L-UU 25 0-12 40 0-19 112 ±300 8 62 50
LMKP 25L-UU
30 LMFP 30L-UU 30 0-12 45 0-19 123 ±300 10 74 58
LMKP 30L-UU
35 LMFP 35L-UU 35 0-15 52 0-22 135 ±300 10 82 64
LMKP 35L-UU
40 LMFP 40L-UU 40 0-15 60 0-22 151 ±300 13 96 75
LMKP 40L-UU
50 LMFP 50L-UU 50 0-15 80 0-22 192 ±300 13 116 92
LMKP 50L-UU
60 LMFP 60L-UU 60 0-20 90 0-25 209 ±300 18 134 106
LMKP 60L-UU

Part No. Major dimenslons and tolerance Eccentricity(μm) Squareness(μm) Basic load rating Weight
g		 NomInal shaft
diameter
(mm)
Steel Flange dynamic
(C N)		 static
(Co N)
LMF(K)P...LUU t
mm		 Dp
mm		 X
mm		 Y
mm		 Z
mm
LMFP 6L-UU 5 20 3.5 6.5 3.1 15 15 323 529 31 6
LMKP 6L-UU 25
LMFP 8L-UU 5 24 3.5 6.5 3.1 15 15 431 784 51 8
LMKP 8L-UU 43
LMFP 10L-UU 6 29 4.5 8 4.1 15 15 588 1100 98 10
LMKP 10L-UU 78
LMFP 12L-UU 6 32 4.5 8 4.1 15 15 813 1570 110 12
LMKP 12L-UU 90
LMFP 13L-UU 6 33 4.5 8 4.1 15 15 813 1570 130 13
LMKP 13L-UU 108
LMFP 16L-UU 6 38 4.5 8 4.1 15 15 1230 2350 190 16
LMKP 16L-UU 165
LMFP 20L-UU 8 43 5.5 9.5 5.1 20 20 1400 2740 260 20
LMKP 20L-UU 225
LMFP 25L-UU 8 51 5.5 9.5 5.1 20 20 1560 3140 540 25
LMKP 25L-UU 500
LMFP 30L-UU 10 60 6.6 11 6.1 20 20 2490 5490 680 30
LMKP 30L-UU 590
LMFP 35L-UU 10 67 6.6 11 6.1 25 25 2650 6270 1020 35
LMKP 35L-UU 930
LMFP 40L-UU 13 78 9 14 8.1 25 25 3430 8040 1570 40
LMKP 40L-UU 1380
LMFP 50L-UU 13 98 9 14 8.1 25 25 6080 15900 3600 50
LMKP 50L-UU 3400
LMFP 60L-UU 18 112 11 17.5 11.1 30 30 7550 20000 4500 60
LMKP 60L-UU 4060

Drawings

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