Long Type Linear Bearings with ball Motions
The long type linear bearing carries heavier load and guides better than the standard type, apart from a large increase in the length.
It is built with two cages, and each cage is provided with steel balls. This makes the product especially suitable for use in torque
load occasions. LM-LUU, LME-LUU, LMB-LUU three series are manufactured for different regions. For example,
the LM-LUU series is more suitable for use in Asia, while the LME-LUU series with difference in the size and tolerance
is more suitable for use in machines of European countries. In addition, the LMB-LUU series available in inch sizes enjoys
strengthened load capacity. As each series of long type linear bearing has a variety of dimensions for option, so that it can be applied in machines of different sizes.
The LM-LUU metric linear bearing available in metric sizes is widely used in Asian countries, such as Japan, South Korea,
China, and so on. It can be divided into a plurality of types according to different nominal shaft diameters, ranging from 6mm to 60mm.
With 80mm length and 32mm outer diameter, the product can be used to support the shaft with a nominal diameter of 20 mm.
Due to the smooth surface, the product is convenient to be processed. In addition, it can be installed in any direction,
and can work accurately requiring only one axis as the support. This metric linear bearing can well support the rotation
of the shaft and the parts on the shaft, and can maintain the normal working position and rotating precision of the shaft. Hence, it is a good choice for users.
Technical Parameters
| Nominal shaft dia. mm |
Long type LM...LUU |
Ball circuit |
Major dimensions and tolerance(T) |
Eccentricity µM |
Basic load rating |
Weight (gf) |
| mm |
dr |
mm |
D |
mm |
L |
mm |
B |
W mm |
D1 mm |
| T μm |
T μm |
T μm |
T μm |
Dynamic C N |
Static Co N |
| 6 |
LM6LUU |
4 |
6 |
0 -10 |
12 |
0 -13 |
35 |
0 -300 |
27 |
0 -300 |
1.1 |
11.5 |
15 |
323 |
530 |
16 |
| 8 |
LM8LUU |
4 |
8 |
15 |
45 |
35 |
1.1 |
14.3 |
431 |
784 |
31 |
| 10 |
LM10LUU |
4 |
10 |
19 |
0 -16 |
55 |
44 |
1.3 |
18 |
588 |
1100 |
62 |
| 12 |
LM12LUU |
4 |
12 |
21 |
57 |
46 |
1.3 |
20 |
813 |
1570 |
80 |
| 13 |
LM13LUU |
4 |
13 |
23 |
61 |
46 |
1.3 |
22 |
813 |
1570 |
90 |
| 16 |
LM16LUU |
5 |
16 |
28 |
70 |
53 |
1.6 |
27 |
1230 |
2350 |
145 |
| 20 |
LM20LUU |
5 |
20 |
0 -12 |
32 |
0 -19 |
80 |
61 |
1.6 |
30.5 |
20 |
1400 |
2740 |
180 |
| 25 |
LM25LUU |
6 |
25 |
40 |
112 |
0 -400 |
82 |
0 -400 |
1.85 |
38 |
1560 |
3140 |
440 |
| 30 |
LM30LUU |
6 |
30 |
45 |
123 |
89 |
1.85 |
43 |
2490 |
5490 |
480 |
| 35 |
LM35LUU |
6 |
35 |
0 -15 |
52 |
0 -22 |
135 |
99 |
2.1 |
49 |
25 |
2650 |
6270 |
795 |
| 40 |
LM40LUU |
6 |
40 |
60 |
151 |
121 |
2.1 |
57 |
3430 |
8040 |
1170 |
| 50 |
LM50LUU |
6 |
50 |
80 |
192 |
148 |
2.6 |
76.5 |
6080 |
15900 |
3100 |
| 60 |
LM60LUU |
6 |
60 |
0 -20 |
90 |
0 -25 |
209 |
170 |
3.15 |
86.5 |
30 |
7550 |
20000 |
3500 |
The size unit of LME-LUU long linear motion bearing belongs to the metric system, making the product extensively used
in the European countries, such as Germany, Italy and other regions. Its applicable straight shaft diameter tolerance is
generally g6. Compared with the LM-LUU, these two series of long type linear bearings are approximately equal in structure and different in dimensions and bore diameter tolerances.
Technical Parameters
| Nominal shaft dia. mm |
Long type LME ...LUU |
Ball circuit |
Major dimensions and tolerance(T) |
Eccentricity µM |
Basic load rating |
Weight (gf ) |
| mm |
dr |
mm |
D |
mm |
L |
mm |
B |
W mm |
D1 mm |
| T μm |
T μm |
T μm |
T μm |
Dynamic C N |
Static Co N |
| 8 |
LME8LUU |
4 |
8 |
+9 -1 |
16 |
0 -9 |
46 |
0 -300 |
33 |
0 -300 |
1.1 |
15 |
15 |
421 |
804 |
40 |
| 12 |
LME12LUU |
4 |
12 |
22 |
0 -11 |
61 |
45.8 |
1.3 |
21 |
813 |
1570 |
80 |
| 16 |
LME16LUU |
5 |
16 |
+11 -1 |
26 |
68 |
49.8 |
1.3 |
25 |
921 |
1780 |
115 |
| 20 |
LME20LUU |
5 |
20 |
32 |
0 -13 |
80 |
61 |
1.6 |
31 |
17 |
1370 |
2740 |
180 |
| 25 |
LME25LUU |
6 |
25 |
+13 -2 |
40 |
112 |
0 -400 |
82 |
0 -400 |
1.9 |
38 |
1570 |
3140 |
430 |
| 30 |
LME30LUU |
6 |
30 |
47 |
123 |
104 |
1.9 |
45 |
2500 |
5490 |
615 |
| 40 |
LME40LUU |
6 |
40 |
+16 -4 |
62 |
0 -15 |
151 |
121 |
2.2 |
59 |
20 |
3430 |
8040 |
1400 |
| 50 |
LME50LUU |
6 |
50 |
75 |
192 |
155 |
2.7 |
72 |
6080 |
15900 |
2320 |
| 60 |
LME60LUU |
6 |
60 |
90 |
0 -20 |
209 |
170 |
3.2 |
87 |
25 |
7550 |
20000 |
3920 |
The LMB-LUU long linear bushing consists of a variety of types. The nominal diameter of shaft varies from 1/4 inch to 2 inch. In comparison with the standard type, this long type product enjoys larger load capacity. It can meet the demand of machinery in the Americas, so that it can be commonly found in this region. According to the size of the long linear bearing, 3-6 rows of balls can be installed to provide sufficient force, so as to further ensure the normal working of the shaft itself and the relevant parts on the shaft.
Technical Parameters
| Nominal shaft dia. inch mm |
Long type LMB...LUU |
Weight (gf) |
Ball circuit |
inch mm |
| 1/4 6.350 |
LMB4L |
17.5 |
3* |
0.2500 6.350 |
| 3/8 9.525 |
LMB6LUU |
28 |
4 |
0.3750 9.525 |
| 1/2 12.700 |
LMB8LUU |
80 |
4 |
0.5000 12.700 |
| 5/8 15.875 |
LMB10LUU |
160 |
4 |
0.6250 15.875 |
| 3/4 19.050 |
LMB12LUU |
195 |
5 |
0.7500 19.050 |
| 1 25.400 |
LMB16LUU |
410 |
6 |
1.0000 25.400 |
| 1-1/4 31.750 |
LMB20LUU |
820 |
6 |
1.2500 31.750 |
| 1-1/2 38.100 |
LMB24LUU |
1250 |
6 |
1.5000 38.100 |
| 2 50.800 |
LMB32LUU |
1350 |
6 |
2.0000 50.800 |
| dr |
Major dimensions and tolerance(T) |
Eccentricity inch/µm |
Basic load rating |
| Tolerance inch/µm |
inch mm |
D |
inch mm |
L |
inch mm |
B |
W inch mm |
D1 inch mm |
| T inch μm |
T inch μm |
T inch μm |
Dynamic C N |
Static Co N |
| 0 -.00040 0 -10 |
0.5000 12.700 |
0 -0.00050 0 - 13 |
1.3750 34.925 |
0 -0.012 |
1.0220 25.959 |
0 - 0.012 |
0.0390 0.992 |
0.4687 11.906 |
0.0006 15 |
323 |
530 |
| 0.6250 15.875 |
0 - 0.00065 0 - 16 |
1.5938 40.481 |
1.2716 32.298 |
0.0390 0.992 |
0.5880 14.935 |
353 |
630 |
| 0.8750 22.225 |
2.3750 60.325 |
0 -300 |
1.9250 48.895 |
0 -300 |
0.0459 1.168 |
0.8209 20.853 |
813 |
1570 |
| 1.1250 28.575 |
2.8125 71.438 |
2.2079 56.080 |
0.0559 1.422 |
1.0590 26.899 |
1,230 |
2,350 |
| 0 -.00050 0 -12 |
1.2500 31.750 |
0 -0.00075 0 - 19 |
3.0937 78.581 |
2.3314 59.218 |
0.0559 1.422 |
1.1760 29.870 |
0.0008 20 |
1,370 |
2,740 |
| 1.5625 39.688 |
4.2831 108.744 |
0 - 0.016 |
3.5049 89.139 |
0 - 0.016 |
0.0679 1.727 |
1.4687 37.306 |
1,570 |
3,140 |
| 0 -.00060 0 -15 |
2.0000 50.800 |
0 -0 .00090 0 - 22 |
5.0000 127.000 |
4.0094 101.839 |
0.0679 1.727 |
1.8859 47.904 |
0.0010 25 |
2,500 |
5,490 |
| 2.3750 60.325 |
5.6875 144.463 |
0 -400 |
4.8236 122.519 |
0 -400 |
0.0859 2.184 |
2.2389 56.870 |
3,430 |
8,040 |
| 3.0000 76.200 |
0 - 0.00100 0 - 25 |
7.7500 196.850 |
6.3834 162.138 |
0.1029 2.616 |
2.8379 72.085 |
0.0012 30 |
6,080 |
15,900 |
As a professional standard linear bearing manufacturer and supplier in China, we also offer adjustable type linear bearing, round flange mount linear bearing, SC-UU slide block, SHF horizontal shaft support, and much more.
The LM-UU linear motion bearing is manufactured in line with Asia's mechanical standards, so that it is suitable for use in Asia. The products we offer include many models with the applicable shaft nominal diameter ranging from 3mm to 150mm. They differ in the main dimensions and tolerances, the degree of eccentricity, the maximum radial clearance, and the rated load. Therefore, this linear bearing for Asia market can be used in different sizes and models of machinery, serving to reduce friction and extend life of the equipment.
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