LM4UU-LM12UU 10mm Linear Bearing for CNC & 3D Printers
Specifications
| Inner Diameter | 4–12 mm |
| Outer Diameter | 12–21 mm |
| Thickness | 30 mm |
Introduction
High-precision linear bearings in LM series (LM4UU to LM12UU), made of alloy steel, open-type design with cutting-edge flange. Suitable for OEM/ODM applications. Certified ISO9001:2008, lubricated with grease or oil, in stock with 3–7 days delivery.
Basic Info.
- Auto Bearing
- Angular Contact Ball Bearing
- Linear Bearing
- Thrust Needle Roller Bearing
- Self-Aligning Ball Bearing
- Deep Groove Ball Bearing
- Auto Air Conditioning Compressor
- Taper Roller Bearing
- Spherical Plain Bearing
- Needle Bearing
- Alloy Guide Rail
- Cylindrical Roller Bearing
- Thrust Ball Bearing
- Thrust Self-aligning Roller Bearing
- Spherical Roller Bearing
- Pillow Block Bearing
Related Products
Basic Specifications
| Inner Diameter | 5 mm |
| Outer Diameter | 10 mm |
| Thickness | 15 mm |
| Model Series | LM (LM3/LM4UU/LM5UU) |
| Material | Alloy |
| Stock Status | In Stock |
Product Overview
High-precision linear bearing with open design, cutting-edge flange shape, and universal application. Features P0–P2 precision rating, grease/oil lubrication, ISO9001:2008 certification, and 3–7 days delivery. Made in China.
Basic Info.
| Inner Diameter | 8 mm |
|---|---|
| Outer Diameter | 15 mm |
| Thickness | 24 mm |
| Model No. | LM8UU |
| Material | Alloy |
| Stock | In Stock |
Introduction
LM8UU linear bearing is a compact, open-type universal bearing with high precision (P0–P2), grease/oil lubrication, and ISO9001:2008 certification. Made in China, it offers reliable performance for OEM/ODM applications.
Basic Specifications
| Inner Diameter | 12 mm |
| Outer Diameter | 21 mm |
| Thickness | 30 mm |
| Model Series | LM |
| Material | Alloy |
| Stock Status | In Stock |
Product Introduction
High-precision linear bearings with open design and cutting-edge flange shape. Available in multiple sizes (LM12–LM40UU), ISO9001:2008 certified, lubricated with grease or oil. Ideal for OEM/ODM applications requiring smooth motion and durability. Fast delivery: 3–7 days.
Basic Info.
| Inner Diameter | 16 mm |
| Outer Diameter | 28 mm |
| Thickness | 70 mm |
| Model No. | LM16LUU |
| Material | Alloy |
| Stock | In Stock |
Description
High-precision linear bearing with open design and cutting-edge flange shape. Suitable for universal applications requiring smooth motion and high load capacity. Pre-lubricated with grease or oil, certified to ISO9001:2008, and made in China.
Basic Info.
| Inner Diameter | 25mm |
| Outer Diameter | 40mm |
| Thickness | 58mm |
| Model No. | LME25UU |
| Material | Alloy |
| Stock | In Stock |
Description
High-precision linear bearing with open design and cutting-edge flange shape. Suitable for universal applications, pre-lubricated with grease or oil. Complies with ISO9001:2008, made in China. Fast delivery (3–7 days) and OEM/ODM supported.
Specifications
| Model No. | Lmf25uu Lmf30uu Lmf35uu Lmf40uu |
| Dimensions (mm) | 20*26*16 |
| Material | Bearing Steel |
| Flange Shape | Circular |
| Precision Rating | P0 P6 P5 P4 P2 |
| Clearance | C0 C3 C4 |
Description
Needle roller bearing with circular flange, made of high-quality bearing steel. Available in multiple precision grades and clearances. Suitable for various industrial applications requiring compact design and high load capacity. Lubrication options include grease or oil. OEM/ODM service supported.
Basic Specifications
| Inner Diameter | 12 mm |
| Outer Diameter | 21 mm |
| Thickness | 30 mm |
| Series | LM |
| Type | Open Linear Bearing |
| Material | Alloy |
Introduction
High-precision LM series open linear bearings made of alloy, suitable for OEM/ODM applications. Features cutting-edge flange shape, grease or oil lubrication, P0–P2 precision rating, and ISO9001:2008 certification. In stock with 3–7 days delivery.
Basic Info.
| Inner Diameter | 5 mm |
| Outer Diameter | 10 mm |
| Thickness | 15 mm |
| Model | LM5UU |
| Material | Alloy |
| Stock Status | In Stock |
Introduction
LM5UU is an open-type linear bearing with cutting-edge flange shape, designed for precision motion systems. Made of high-quality alloy, it supports smooth sliding in automation and machinery applications. Compatible with grease or oil lubrication, certified to ISO9001:2008, and ready for immediate shipment (3–7 days).
Specifications
| Inner Diameter | 12 mm |
|---|---|
| Outer Diameter | 21 mm |
| Thickness | 30 mm |
Introduction
High-precision linear bearing with open design and cutting-edge flange shape. Made of alloy material, compatible with LM series models (LM12–LM40UU). Features P0–P2 precision rating, grease/oil lubrication, ISO9001:2008 certification, and 3–7 days delivery. OEM/ODM supported.
Specifications
| Inner Diameter | 12 mm |
|---|---|
| Outer Diameter | 21 mm |
| Thickness | 30 mm |
| Material | Alloy |
| Type | Linear Bearing, Open Type |
| Stock Status | In Stock |
Introduction
High-precision LM series linear bearings with cutting-edge flange design. Made of durable alloy, suitable for universal applications requiring smooth motion and high load capacity. Available in multiple sizes (LM12–LM40UU), lubricated with grease or oil, certified to ISO9001:2008. Fast delivery (3–7 days).
Basic Specifications
| Inner Diameter | 3–12 mm |
| Outer Diameter | 21 mm |
| Thickness | 30 mm |
| Material | Alloy |
| Type | Linear Bearing, Open Type |
| Series | LM (LM3UU to LM12UU) |
Introduction
High-precision linear bearings with cutting-edge flange shape, available in multiple sizes (3–12 mm ID). Made of durable alloy, pre-lubricated with grease or oil. Compliant with ISO9001:2008, in stock for fast 3–7 day delivery. Suitable for OEM/ODM applications.
Specifications
| Model | LM 6LUU |
| Type | Needle Roller Bearing |
| Material | Alloy |
| Flange Shape | Circular |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
Description
High-precision needle roller bearing with alloy construction and circular flange. Suitable for demanding industrial applications requiring reliability and performance. Available with various clearance and precision options.

















