Product Overview
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Miniature: Compact design for small-scale equipment.
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Material: Rail and block made of stainless steel (corrosion resistant).
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Low Friction: Designed for smooth circulation and low noise.
Lubrication
Pre-lubricated with Lithium soap-based grease (ISO VG32-68). Replenish every 100km or 3-6 months.
Grease Volume (cm³)
| Model |
Initial Volume |
Replenish Volume |
|
LRM5 (N / L) |
0.02 / 0.03 |
0.01 / 0.015 |
|
LRM7 (N / L) |
0.1 / 0.13 |
0.05 / 0.07 |
|
LRM9 (N / L) |
0.2 / 0.28 |
0.1 / 0.14 |
|
LRM12 (N / L) |
0.34 / 0.45 |
0.17 / 0.23 |
|
LRM15 (N / L) |
1.0 / 0.50 |
0.50 / - |
Handling Precautions
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Dummy Rail: Use a dummy rail when removing the block to prevent balls from falling out.
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Temperature: Max operating temp is 80°C (Momentary 100°C).
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Cleaning: If washed, dry and re-grease immediately to prevent rust.
1. Assembled Set Ordering
Example: LRM 7 N 1 X 40 S5 A H T
| No. |
Item |
Options / Description |
| 1 |
Series |
LRM: Miniature Linear Guide |
| 2 |
Surface |
Blank: Natural BB: Black Chrome |
| 3 |
Width |
5, 7, 9, 12, 15 mm |
| 4 |
Spec |
N: Standard L: Long |
| 5 |
Block Qty |
1, 2...: Quantity per rail |
| 6 |
Rail Length |
Length in mm (e.g., 40) |
| 7 |
Hole Pitch |
S: Standard (Equal ends) Value: Custom (e.g., S5) |
| 8 |
Preload |
A: No Preload (Clearance)
B: Light Preload
C: Medium Preload |
| 9 |
Accuracy |
H: High P: Precision |
| 10 |
Rail Lock |
Blank: Upper Lock T: Lower Lock |
2. Jointed Rail Ordering
Example: LRM 7 N 1 X 705 T 705 A H T
Used when rail length exceeds the maximum standard single-piece length.
| Position |
Description |
| 1X705 |
1st Rail Segment Length |
| T |
Joint Mark (Always aligned during installation) |
| 705 |
2nd Rail Segment Length |
Individual Component Ordering
1. Block Only
Example: LRM 7 BK - N - H - D
| Item |
Options |
| Model |
LRM + Width (7/9/12/15) + BK
|
| Spec |
N: Standard L: Long |
| Accuracy |
H: High P: Precision |
| Assembly |
A, B, C, D, E (See Preload Table below) |
2. Rail Only
Example: LRM 7 RL X 985 - H - D - T
| Item |
Options |
| Model |
LRM + Width + RL
|
| Length |
Rail Length in mm |
| Accuracy |
H: High P: Precision |
| Assembly |
D, E (See Preload Table below) |
| Lock |
Blank: Upper T: Lower |
3. Assembly Code (Preload Match)
| Preload |
Block Code |
Rail Code |
| B (Medium) |
D |
D |
| C (Light) |
E |
E |
| A (No Preload) |
A/B/C |
- |
4. Accessories (Bolt Cap)
Example: L - BC - M3 - 10P
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L-BC: Linear Guide Bolt Cap
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M3: Bolt Size (M3, etc.)
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10P: Quantity (10 pcs/pack)
1. Dimensions & Load Ratings
| Model |
Dimensions (mm) |
Load (kN) |
Static Moment (N.m) |
| H |
W |
L |
Dynamic (C) |
Static (Co) |
Mp |
My |
Mr |
| LRM5N |
6 |
12 |
18.2 |
0.33 |
0.55 |
1.68 |
0.99 |
0.99 |
| LRM7N |
8 |
17 |
24.3 |
1.02 |
1.53 |
5.42 |
3.17 |
3.17 |
| LRM9N |
10 |
20 |
31.0 |
1.97 |
2.60 |
11.8 |
8.19 |
8.19 |
| LRM12N |
13 |
27 |
37.6 |
3.04 |
3.86 |
23.6 |
12.5 |
12.5 |
| LRM15N |
16 |
32 |
48.0 |
4.27 |
5.70 |
45.0 |
23.0 |
23.0 |
| LRM5L |
6 |
12 |
21.2 |
0.48 |
0.90 |
2.40 |
2.08 |
2.08 |
| LRM7L |
8 |
17 |
32.5 |
1.43 |
2.45 |
9.27 |
7.96 |
7.96 |
| LRM9L |
10 |
20 |
42.1 |
2.61 |
4.11 |
19.7 |
18.9 |
18.9 |
| LRM12L |
13 |
27 |
48.4 |
3.96 |
5.90 |
40.9 |
32.5 |
32.5 |
| LRM15L |
16 |
32 |
65.0 |
6.53 |
9.53 |
70.0 |
63.6 |
63.6 |
2. Accuracy & Preload
Accuracy Grades (mm)
| Item |
High (H) |
Precision (P) |
| Height H Tolerance |
±0.02 |
±0.01 |
| Width N Tolerance |
±0.025 |
±0.015 |
| Pair Height Variation |
0.015 |
0.007 |
| Pair Width Variation |
0.020 |
0.010 |
Preload (Radial Clearance μm)
| Class |
LRM5 |
LRM7 |
LRM9/12/15 |
| A (None) |
-1~+2 |
-2~+2 |
-2~+3 |
| B (Light) |
-3~-1 |
-4~-2 |
-6~-2 |
| C (Medium) |
-6~-2 |
-7~-3 |
-9~-5 (varies) |
3. Installation (Shoulder Height & Torque)
| Model |
Shoulder H1 (mm) |
Shoulder H2 (mm) |
Bolt Size |
Torque (N.cm) [Steel] |
| LRM5 |
1.2 |
1.5 |
M2 |
58.8 |
| LRM7 |
1.2 |
1.5 |
M2 |
58.8 |
| LRM9 |
1.7 |
2.0 |
M3 |
196 |
| LRM12 |
1.7 |
2.0 |
M3 |
196 |
| LRM15 |
3.2 |
3.5 |
M3 |
196 |
