Linear ball bearings / stainless steel, steel / chrome-plated, nickel-plated / double bush / double annular groove (Part Numbers - CAD Download)
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| Type | Outer Cylinder | Balls | Retainer | Ambient Operating Temp. | Accessory | ||
| Material | Hardness | Surface Treatment | Material | Material | |||
| LMUW-N | EN 1.3505 Equiv. | 58HRC~ | - | EN 1.3505 Equiv. | Plastic (Duracon M90 Equiv.) | -20~ 80°C | * SealMaterial Nitrile Rubber (-20~120°C) |
| LMUW | |||||||
| LMUWF | Stainless Steel (Stainless Steel) | -20~110°C | |||||
| LMUWR | Low Temperature Black Chrome Plating | EN 1.4125 Equiv. | Plastic (Duracon M90 Equiv.) | -20~ 80°C | |||
| LMUWM | Electroless Nickel Plating | ||||||
| LMUWMF | Stainless Steel (Stainless Steel) | -20~110°C | |||||
| SLMUW | EN 1.4125 Equiv. | 56HRC~ | - | Plastic (Duracon M90 Equiv.) | -20~ 80°C | ||
| SLMUWS | Stainless Steel (Stainless Steel) | -20~120°C | |||||
Specifications
| Part Number | |
| LMUW20 LMUW-N20  LMUWR20 LMUWR20L LMUWR20G LMUWR20H | (No Seal) (LTBC Plating) (L Type Greased) (G Type Greased) (H Type Greased) |
For Days to Ship, Price and Performance, see >> P.304.
| Part Number | D Tolerance | L | B | W | D1 | (r) | Eccentricity (Max.) | Rows of Balls | Basic Load Rating | Allowable Static Moment (N • m) | Mass (g) | |||||||
| Type | dr | Tolerance | No Surface Treatment | Surface Treatment | Tolerance | Tolerance | C (Dynamic) N | Co (Static) N | ||||||||||
| LMUW-N (No Seal) LMUW LMUWF LMUWR LMUWM LMUWMF SLMUW SLMUWS | 3 | 0 -0.010 | 7 | 0 -0.011 | 0 -0.015 | 19 | 0 -0.3 | - | - | - | - | 0.3 | 0.010 | 4 | 138 | 210 | 0.51 | 3.2 |
| 4 | 8 | 23 | - | - | - | 176 | 254 | 0.63 | 4.8 | |||||||||
| 5 | 10 | 28 | 18.2 | 0 -0.5 | 1.1 | 9.6 | 0.4 | 263 | 412 | 1.38 | 11 | |||||||
| 6 | 12 | 0 -0.013 | 0 -0.018 | 35 | 24.8 | 11.5 | 0.015 | 324 | 529 | 2.18 | 16 | |||||||
| 8 | 15 | 45 | 32.8 | 14.3 | 431 | 784 | 4.31 | 31 | ||||||||||
| 10 | 19 | 0 -0.016 | 0 -0.021 | 55 | 41.4 | 1.3 | 18 | 588 | 1100 | 7.24 | 62 | |||||||
| 12 | 21 | 57 | 43.4 | 20 | 0.8 | 657 | 1200 | 10.9 | 80 | |||||||||
| 13 | 23 | 61 | 22 | 813 | 1570 | 11.6 | 90 | |||||||||||
| 16 | 28 | 70 | 49.8 | 1.6 | 27 | 1230 | 2350 | 19.7 | 145 | |||||||||
| 20 | 0 -0.012 | 32 | 0 -0.019 | 0 -0.025 | 80 | 57.8 | 0 -0.6 | 30.5 | 0.020 | 5 | 1400 | 2740 | 26.8 | 180 | ||||
| 25 | 40 | 112 | 0 -0.4 | 78.3 | 1.85 | 38 | 1.5 | 6 | 1560 | 3140 | 43.4 | 440 | ||||||
| 30 | 45 | 123 | 85.3 | 43 | 2490 | 5490 | 82.8 | 480 | ||||||||||
| LMUW LMUWM | 35 | 0 -0.015 | 52 | 0 -0.022 | 0 -0.030 | 135 | 94.8 | 2.1 | 49 | 0.025 | 2650 | 6270 | 110 | 795 | ||||
| 40 | 60 | 151 | 116.8 | 57 | 3430 | 8040 | 147 | 1170 | ||||||||||
| 50 | 80 | 192 | 142.8 | 2.6 | 76.5 | 6080 | 15900 | 397 | 3100 | |||||||||
For Precautions for Use, see P.303.
dr=3, 4 are not available for LMUW-N and LMUWR
Products with dr=3, 4 are without seal. No-Seal Type has lower sliding resistance (0.4~1.2N). Separate dust-proofing measures are necessary to keep the dust entering into sliding parts.
For LTBC Plating, see P.304.
Spacers and Stoppers for linear bushings can be selected from P.330.
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Part Number
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| Part Number | Minimum order quantity | Volume Discount | RoHS | Diameter of Inscribed Circle dr (mm) | Overall Length L (mm) | Material of Outer Cylinder | Outer Cylinder Surface Treatment | Outer Diameter D (mm) | Basic Load Rating Dynamic Rating (Detail) (N) | Basic Load Rating Static Rating (N) | Tolerance of Inscribed Circle (Minus Side) (mm) | Eccentricity (μm) | Ball Material | Retainer Material | Seals | Greased filled |
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Example of Use
Basic information
| Type2 | Straight | Style | Standard | Motion | Linear Motion |
|---|---|---|---|---|---|
| Lubrication Type | Not Provided | The circulation type of balls | Double | Accuracy | High Grade |
| Type | Straight |
Configure
Basic Attributes
-
Diameter of Inscribed Circle dr(mm)
-
Overall Length L(mm)
-
Material of Outer Cylinder
- Steel
- EN 1.4125 Equiv.
- Steel
-
Outer Diameter D(mm)
-
Eccentricity(μm)
-
Ball Material
- EN 1.3505 Equiv.
- EN 1.4125 Equiv.
-
Retainer Material
- Plastic (POM Equiv.)
- Stainless Steel
-
Seals
- No Seal
- With Seal
-
Greased filled
- Not Provided
- Type G (Low Particlate)
- Type H (For Food and Beverages)
- Type L (Heat Resistance)
-
Type
- LMUW
- LMUW-N
- LMUWF
- LMUWM
- LMUWMF
- LMUWR
- SLMUW
- SLMUWS
-
Outer Cylinder Surface Treatment
- No Surface Treatment
- Surface Treatment
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