Achieve High Efficiency
U-Shaped Grooved Bearing with Double Row Balls
Factory Direct Sales, Free Shipping on One Piece, Complete Specifications
Six core advantages
| High-speed operation | Selected raw materials | Low noise |
| Full range of specifications | High hardness | Quality guaranteed |
Quality You Can See, Buy with Confidence
Dedicated Service / Quality Assurance / Worry-Free After-Sales Service
High-Quality U-Shaped Groove Bearings. Superior Quality, Worthy of Our Trust
Quality Assurance Quality Service Guarante | Actual product photos; real product display | Worry-free shopping, professional after-sales team. |
Product Feature
| Built-in double-row ball bearings High-strength manufacturing Superior pressure resistance and durability A lasting guarantee, bringing you a safe life. |
U-groove bearings offer smooth sliding. These guide rail roller bearings are specifically designed for embroidery machines and are ISO9000 certified. |
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| Selected high-quality bearing steel Good wear resistance Bearing steel has high and uniform hardness and wear resistance, as well as high elasticity It is one of the steel grades with the most stringent requirements. |
Specialized screws Quality guaranteed Specialized screws are used for double-row ball bearings, ensuring safe operation Committed to creating industry-leading products |
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| Specialized high-quality eccentric wheel Used with the SG15 dedicated eccentric wheel for convenient and quick operation |
Choose your style and model freely. Made of precision bearing steel, various models are available; purchase as needed. |
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Product parameter
*The tolerance for dimensions other than d and M between each batch is approximately 0.2mm. The overall length L tolerance is approximately 1mm.
| d (mm) | M | L (mm) | D (mm) | A (mm) | C1 (mm) | W (mm) | C2 (mm) | L1 (mm) | |
| M4*17 | 4 | M4 | 17 | ≈7 | ≈2 | ≈1 | ≈4.5 | ≈2 | ≈7.5 |
| M5*18 | 5 | M5 | 18 | ≈7.8 | ≈1.6 | ≈0.4 | ≈6.5 | ≈1 | ≈8.5 |
| M5*23 | 5 | M5 | 23 | ≈8 | ≈2.2 | ≈1.8 | ≈5.5 | ≈1.5 | ≈12 |
| M6*18 | 6 | M6 | 18 | ≈7.8 | ≈2 | ≈1 | ≈7 | ≈1 | ≈7 |
| M6*23 | 6 | M6 | 23 | ≈8 | ≈2 | ≈1 | ≈6 | ≈2 | ≈12 |
| M8*28 | 8 | M8 | 28 | ≈12 | ≈2.3 | ≈1.7 | ≈11 | ≈2 | ≈11 |
Note: The total length L of each batch of screws has a tolerance of approximately 1mm. Dimensions marked with ≈ are measured manually and may have slight errors.
Note: The eccentric wheel dimensions are measured manually and have a slight error; the tolerance for each batch is approximately 0.1–0.2 mm.
| M | D (mm) | A | S (mm) | H (mm) | |
| M4 | M4 | 12 | M3 | 2.3 | 6 |
| M5 | M5 | 16 | M4 | 3.15 | 6 |
| M6 | M6 | 16 | M4 | 3.4 | 5.5 |
| d | D | C | B | D2 | dw | Cw | Cow | H | g | |
| SG10 | 4 | 13 | 6 | 3.52 | 16.08 | 5 | 1.05 | 0.85 | 0.8 | 7 |
| SG15 | 5 | 17 | 8 | 5.75 | 20.46 | 6 | 1.27 | 0.82 | 1 | 8 |
| SG15-10 | 5 | 17 | 8 | 5.75 | 25.5 | 10 | 1.27 | 0.82 | 1 | 9 |
| SG20 | 6 | 24 | 11 | 7.25 | 28.62 | 8 | 3.4 | 1.7 | 1.2 | 25 |
| SG25 | 8 | 30 | 14 | 8.5 | 35.77 | 10 | 3.67 | 2.28 | 1.5 | 49 |
| SG66 | 6 | 22 | 10 | 11 | 25.52 | 6 | 3.45 | 1.75 |
| 【Name】U-type grooved bearing 【Balls】Double row ball bearing 【Model】SG10 [U-groove] 4*1 (groove depth*groove depth) [Dimensions] 4*13*6*8.2 (Inner diameter*Outer diameter*Thickness*Inner ring thickness) |
【Name】U-groove Bearing 【Balls】Double row ball bearing 【Model】SG15 【U-groove】5*1.35 (groove depth*groove depth) 【Dimensions】5*17*8*9.75 (Inner diameter*Outer diameter*Thickness*Inner ring thickness) |
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| 【Name】U-groove Bearing 【Balls】Double row ball bearing 【Model】SG20 【U Groove】6.5*1.75 (groove depth*groove depth) 【Dimensions】6*24*11*12.7 (Inner diameter*Outer diameter*Thickness*Inner ring thickness) |
【Name】U-groove Bearing 【Balls】Double row ball bearing 【Model】SG25 【U Groove】8.2*2.25 (groove depth*groove depth) 【Dimensions】8*30*14*15.5 (Inner diameter*Outer diameter*Thickness*Inner ring thickness) |
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Product application areas
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| Medical equipment | 3D printers | Automated machinery | Machine tools |
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| Aviation | Ships | Automobiles | Light rail |
