China high quality Linear Ball Bearing Lbbr 12-2ls Lbbr 20-2ls Lbcr40-D-2ls Lbcf20d Lbcf20d-Ls Lbcf20d-2ls aluminum profile extrusion linear rail

Product Description



Product details



product name Linear bearing LBBR 12-2LS
size 35*52*70
weight 0.39kg
brand IKO
material chrome steel
delivery time  3-5 days after payment

linear bearing model

bearing model internal diameter external diameter length weight
LM6UU 6 12 19 0.007
LM8UU 8 15 24 0.015
LM10UU 10 19 29 0.03
LM12UU 12 21 30 0.032
LM13UU 13 23 32 0.043
LM16UU 16 28 37 0.069
LM20UU 20 32 42 0.087
LM25UU 25 40 59 0.571
LM30UU 30 45 64 0.25
LM35UU 35 52 70 0.39
LM40UU 40 60 80 0.58
LM50UU 50 75 100 1.58
LM60UU 60 90 110 1.86
LM80UU 80 120 140 4.42
LME8UU 8 16 25 0.02
LME12UU 12 22 32 0.041
LME16UU 16 26 36 0.057
LME20UU 20 32 45 0.091
LME25UU 25 40 58 0.215
LME30UU 30 47 68 0.033
LME40UU 40 62 80 0.71
LME50UU 50 80 100 1.13
LME60UU 60 90 125 2.05
LME80UU 80 120 165 3.15
LM6LUU 6 12 35 0.016
LM8LUU 8 15 45 0.031
LM10LUU 10 19 55 0.062
LM12LUU 12 21 57 0.08
LM13LUU 13 23 61 0.09
LM16LUU 16 28 70 0.145
LM20LUU 20 32 80 0.18
LM25LUU 25 40 112 0.44
LM30LUU 30 45 123 0.58
LM35LUU 35 52 135 0.795
LM40LUU 40 60 154 1.17
LM50LUU 50 80 192 2.1
LM60LUU 60 90 211 3.5
LME8LUU 8 16 45 0.031
LME12LUU 12 22 57 0.08
LME16LUU 16 26 70 0.145
LME2ULUU 20 32 80 0.18
LME25LUU 25 40 112 0.44
LME30LUU 30 47 123 0.58
LME40LUU 40 62 154 1.17
LME50LUU 50 75 192 3.1
LME60LUU 60 90 211 3.2
LM6AJ 6 12 19 0.007
LM8AJ 8 15 24 0.015
LM10AJ 10 19 29 0.03
LM12AJ 12 21 30 0.032
LM13AJ 13 23 32 0.043
LM16AJ 16 28 37 0.069
LM20AJ 20 32 42 0.087
LM25AJ 25 40 59 0.22
LM30AJ 30 45 64 0.25
LM35AJ 35 52 70 0.39
LM40AJ 40 60 80 0.58
LM50AJ 50 75 100 1.58
LM60AJ 60 90 110 1.86
LM80AJ 80 120 140 4.42
LM6OP 6 12 29 0.007
LM8OP 8 15 24 0.015
LM10OP 10 19 29 0.03
LM12OP 12 21 30 0.032
LM13OP 13 23 32 0.043
LM16OP 16 28 37 0.069
LM20OP 20 32 42 0.087
LM25OP 25 40 59 0.22
LM30OP 30 45 64 0.25
LM35OP 35 52 70 0.39
LM40OP 40 40 80 0.58
LM50OP 50 75 100 1.58
LM60OP 60 90 110 1.86
LM80OP 80 120 140 4.42

product pics


Our Main Products

HangZhou Flow Group Ltd is a professional manufacturer of bearings, collecting together production and processing, domestic and foreign trade. The factory specializes in the production and export of many kinds of bearings: deep groove ball bearing, spherical roller bearing, tapered roller bearing, and so on. The customized bearings is also acceptable and the production will be according to your requirements and samples.

All bearings in our factory adopt international quality standards. The complete equipment, strict quality control, advanced Japanese technology and quality service provide a guarantee to supply the high-quality bearings for our customers. Domestic sales and service network has covered 15 major cities in China, meanwhile our bearing has sold more than 60 overseas countries and regions.

Our bearings have been widely used in agriculture, textiles, mining, printing and packaging industries, in addition to applications in airports, air conditioning systems, conveyors and ship also applied.

If you are interested in any of our bearings or have an intention to order, please feel free to contact us.


1.Samples quantity: 1-10 pcs are available.
2.Free samples: It depends on the model NO., material and quantity. Some of the bearings samples need client to pay   samples charge and shipping cost.
3.It’s better to start your order with Trade Assurance to get full protection for your samples order.

The customized LOGO or drawing is acceptable for us.

1.MOQ: 10 pcs mix different standard bearings.
2.MOQ:  5000 pcs customized your brand bearings.

1.We can printing your brand (logo,artwork)on the shield or laser engraving your brand on the shield.
2.We can custom your packaging according to your design
3.All copyright own by clients and we promised don’t disclose any info.

Please visit our bearings website, we strongly encourge that you can communicate with us through email,thanks!

We have all kinds of bearings, just tell me your item number and quantity,best price will be offered to you soon
The material of the bearings, precision rating, seals type,OEM service,etc, all of them we can make according to your requirem

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Application: Warehouse Crane, Shipboard Crane, Goods Yard Crane, Building Crane, Workshop Crane
Material: Steel
Structure: Bridge Crane
Installation: All-Terrain Crane
Driven Type: Rack&Pinion
Carrying Capacity: Weight Level
US$ 2/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

linear rail

Using a “Traditional” Linear Rail in a 3D Printer Build

Using a “traditional” linear rail in a 3D printer build is a great way to add a bit of extra strength to your printer’s frame, but it comes with a few drawbacks. The following article will explain some of the reasons you might want to consider a sliding carriage and rail instead.


Basically, a Linear Rail System is a piece of mechanical equipment designed to sustain the motion of equipment. The system uses a combination of linear guides and bearings to maintain a steady motion.
The linear rail system is used in many industries, from manufacturing to transportation. It is important to design the system to suit the intended application. Some of the most common applications include material transfer, medical sample handling and factory automation.
The most common type of linear rail is the recirculating ball guide. Recirculating ball guides offer many advantages, including moment control, high load capacity and precision. However, there are limitations in some applications.
In the food and beverage industry, special linear bearings are necessary to handle harsh conditions and to meet health and safety standards. Some applications include weighing machines, pick and place modules, and packaging systems.
Linear rails also require precision mounting surfaces to ensure accurate motion. They are available in various lengths and are suitable for most applications.
A linear rail system can be used horizontally or vertically. They provide a smooth motion, reducing friction and minimizing wear. Linear Rail Systems can support loads ranging from a few grams to thousands of kilograms. The rail itself is made from high-strength steel and can be galvanised for added durability.
Linear Rail Systems can be used in a wide variety of industries, from pharmaceutical manufacturing to semiconductor manufacturing. The systems are easy to install and have a heavy load bearing capacity. They provide high stiffness and load capacity, and are perfect for moving loads with minimal friction. These systems also have low frictional resistance, which is important in pneumatic-driven systems.
There are several other advantages to using linear rails, including low cost, high load capacity, low friction and low maintenance. The rails are made from stainless steel or carbon steel.

CZPT linear guide rails

CZPT has a full lineup of linear guide rails, slides, and carriages to suit almost any application. Whether you’re assembling a high tech medical instrumentation system or automating your garage, CZPT has the equipment to get the job done. The company offers a wide selection of linear motion equipment ranging from mountable linear bearings to miniature guide rail and carriage assemblies.
The company also offers a full range of linear guide rails and carriages from high strength steel to high tech aluminum. The company’s extensive selection of linear motion products can be accessed through its convenient online ordering system. It also has a number of useful guides to help you choose the best equipment for your needs.
CZPT’s line of linear guide rails and carriages also includes space saving miniature guide rail and carriage assemblies. With a product lineup boasting over 500 linear motion devices, the company has something for just about every budget and need. CZPT’s line of linear guide systems is engineered to ensure maximum efficiency and reliability in an array of applications. CZPT’s linear guide products are the best in the industry. A CZPT linear guide can stand up to tearing loads and torque forces. Its superior performance can be maintained in a clean environment with proper maintenance. A well maintained rail can last for many years.
CZPT has a number of eminently sexy linear guide and carriage solutions to suit any application. You can browse by manufacturer or category to find what you’re looking for. From drilled and undrilled linear rails to carriages to linear guide slides, CZPT can help you make your next project a success. The company offers the best prices in the business and its products are made in the United States and Canada.
linear rail

Sliding carriage and rail

Whether you’re looking for a new or used linear carriage and rail, there are a few things to keep in mind. For instance, you’ll need to choose a sturdy base material, like granite or steel, that can withstand the weight of the load. In addition, you’ll need to secure the linear components to the base.
Also, you’ll need a control system to regulate the carriage’s motion. These systems can be controlled by operator controls or feedback signals from sensors. If your application calls for a heavy load, you might want to consider a profiled rail.
Another option is a sleeve bearing slide. These slides are designed to be simple to operate, but they are not as durable as other slides.
A sleeve bearing slide is typically used in light-weight applications. It can be made of a variety of materials, including aluminum, steel, or stainless steel. These slides can have a ball screw drive and a linear motor.
These slides can also have rolling element bearings. These balls are used to support the load in the carriage. This decreases friction and provides a smoother motion.
In addition, these slides can be lubricated. You can find these slides in a variety of designs, including recirculating and non-recirculating. In non-recirculating designs, the rolling elements travel at half the speed of the carriage. In recirculating designs, the rolling elements follow the carriage’s looped course.
Some linear guides offer a variety of materials, including stainless steel, aluminum, and granite. These materials can be customized to match your needs. Some may also have custom-engineered features, such as a rail and bearing system, stage, and drive units. If you’re looking for a cost-effective solution, you may want to consider a custom-engineered linear slide.

Robot transport units

Adding linear movement to a Robot system is an effective way to enhance a Robot’s performance. The robot can now move larger and heavier workpieces to and from different machines, and to increase its utility. Adding linear movement also increases the number of activities that can be performed. This increases the robot’s throughput and helps to maximize the return on investment.
The Robot Transfer Unit (RTU) is an effective solution for adding linear movement to Robot systems. It increases the efficiency of 6-axis robots by allowing them to move workpieces along a moving conveyor line. RTUs are used in material handling applications such as welding, painting, inspection, and palletizing.
Robot Transfer Units can be floor-mounted, or raised above operations or the floor. This increases worker freedom of movement, while allowing for improved access to machinery by maintenance personnel. They also save floor space and can allow materials to be moved closer to the work area.
RTUs are used to carry robots between work stations and in material-handling applications. They are generally floor-mounted or can be elevated to save floor space and provide a view of the operation.
A typical RTU will include two workpiece transport units. Each workpiece transport unit includes a robotic arm, a guide rail, and a slidably mounted arm. Each workpiece transport unit also includes an electromagnet that propels the unit along the guide rail. The arm can rotate or “flip” about a horizontal axis (R) and the end effector can hold wafers (W) or rotate about a vertical axis (Z 2).
Each transport unit has a lateral outside dimension 640. This allows the unit to be slidably mounted on both sides of the guide rail structure.
linear rail

Drawbacks of using “traditional” linear rail in a 3D printer build

Using a traditional linear rail in a 3D printer build isn’t for the faint of heart. If you’re building a printer for your own personal use, it’s likely you’ll have to do a bit of tinkering to get the machine working as it should. Luckily, there are many alternatives to the conventional build process. For example, you can build a machine with an aluminum extrusion instead of using the traditional molten plastic. This allows you to print a wider range of materials and improves the machine’s longevity. Alternatively, you could use an aluminum extrusion with a delrin wheel for improved print quality.
You could also build a 3D printer from scratch with a custom frame made from aluminum. The material is a good choice if you’re looking to print large format items. The material is also lightweight, which translates into improved print quality and a smoother print experience. Using an aluminum extrusion for the frame of a 3D printer could save you some serious cash, if you know what you’re doing.
It’s a good idea to do your homework before making a purchase. The best way to avoid getting ripped off is to find a reputable manufacturer and check the credentials of the company’s products. This is especially true if you’re looking to buy a machine that can be used to build 3D models of your own designs. As with anything, buying the wrong printer for the wrong application can lead to disaster. Thankfully, you can avoid some of the pitfalls with a little research and a few recommendations. If you’re looking to build the machine of your dreams, take the time to learn what you’re doing first.
China high quality Linear Ball Bearing Lbbr 12-2ls Lbbr 20-2ls Lbcr40-D-2ls Lbcf20d Lbcf20d-Ls Lbcf20d-2ls   aluminum profile extrusion linear railChina high quality Linear Ball Bearing Lbbr 12-2ls Lbbr 20-2ls Lbcr40-D-2ls Lbcf20d Lbcf20d-Ls Lbcf20d-2ls   aluminum profile extrusion linear rail
editor by Dream 2024-05-09