Linear Bearing Chinese Bearing Wholesale Lm12uu Lmf20uu Kh2040 Lme20uu for CNC Machining Center Spare Parts
Product Specifications
- Packaging
- Brand
Contact Supplier
Product Highlights
- High Precision Ratings: Available in P0, P4, P5, P6 precision ratings for various applications.
- OEM and ODM Services: Full customization including logo printing, laser engraving, and packaging design.
- Low Friction Design: Features low friction resistance for smooth linear reciprocating motion.
- Wide Temperature Resistance: Operates reliably in both low and high temperature environments.
- Corrosion Resistant: Constructed from bearing steel with corrosion-resistant properties.
- High Speed Capability: Designed to support high-speed operations in automation equipment.
- ISO Standard Compliance: Manufactured according to ISO standards for quality assurance.
- IATF16949 Certified: Company passed IATF16949:2016 international quality management certification.
Product Attributes
- Customization
- Available
- Feature
- Low Temperature, Corrosion Resistant, High Temperature, High Speed
- Function
- Ordinary
- Model NO.
- LM12UU LMF20UU KH2040 LME20UU
- Flange Shape
- Circular
- Shape
- Open
- Series
- LM
- Material
- Bearing Steel
- Type
- Universal
- Weight
- 0.069kg
- Rows Number
- Single
- Aligning
- Standard
- Service
- OEM Service
- Lubrication
- Oil or Grease
- Precision Rating
- P0 P4 P5 P6
- Radial Clearance
- C2 Co C3 C4 C5
- Vibration Acceleration
- Z Z1 Z2 Z3 Z4
- Vibration Tolerance
- VV1 V2 V3 V4
- Kinds
- Linear Bearing
- Design
- Bainite Quenching
- Price
- Factory Wholesale Price
- Application
- Medical, Printing, Textile, Instrument, Tool Machi
- Transport Package
- Universal Packing
- Specification
- LM series
- Trademark
- Xinsheng
- Origin
- Shandong
- HS Code
- 8482109000
- Production Capacity
- 500000 Pieces/Year
- Package Size
- 30.00cm * 20.00cm * 16.00cm
- Package Gross Weight
- 5.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Linear Bearing Chinese Bearing Wholesale Lm12uu Lmf20uu Kh2040 Lme20uu for CNC Machining Center Spare Parts
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Product Description

Linear bearings are a motion system designed specifically for use with cylindrical linear shafts. Their core principle is to reduce friction and provide smooth linear guidance through point contact between the steel balls and the shaft. These bearings are typically used with hardened linear drive shafts. They withstand low loads while delivering exceptional efficiency and precision. They offer a wide range of applications: Different materials, structures, and sealing methods can be selected to suit the specific application environment.
Linear bearing specification
"LM" ------metric standard type linear bearing
"LME"------means inch standard type linear bearing
"UU" ------rubber seals on the both sides of the long type linear bearing
"OP"------means open type linear bearing
"AJ"------means adjustment type linear bearing
*LM...UU: LM...(sylinder), LM...OP(open type), LM...AJ(clearance adustable)
*LME...UU: LME...(sylinder), LME...OP(open type), LME...AJ(clearance adustable), LM...UU & LME...UU: Long type
*KH:High-precision mini bearing






place of Origin | China(Mainland) |
product type | Linear ball bearing |
Brand | X&S of OEM |
Precision | P0 P4 P5 P6 |
Tolerance | ABEC-1 ABEC-3 ABEC-5 ABEC-7 |
Vibration | Z1V1 Z2V2 Z3V3 Z4V4 |
Clearance | C1 C2 C3 C4 C5 |
Hardness | HRC58-HRC62 |
Cage Material | Nylon,Steel, Brass |
Bearing Material | Bearing steel |
Technology&QC Process | Assembly, Windage Test, Cleaning, Rotary Test, Greasing and Gland, Noise Inspection, Appearance Inspection, Rust Prevision |
Application | Auto, tractor, machine tool, electric machine, water pump, agricultural machinery, textile machinery, etc. |
Feature | High Precision, High Speed, Low Friction, Low vibration, Long life |
Certificate | CE;TS16949 |
Model | Inner Diameter | External Diameter | Length | Weight(kg) |
LM6UU | 6 | 12 | 19 | 0.007 |
LM8UU | 8 | 15 | 24 | 0.015 |
LM10UU | 10 | 19 | 29 | 0.030 |
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 | 20 | 40 | 59 | 0.220 |
LM30UU | 30 | 45 | 64 | 0.250 |
LM35UU | 35 | 52 | 70 | 0.390 |
LM40UU | 40 | 60 | 80 | 0.585 |
LM50UU | 50 | 75 | 100 | 1.580 |
LM60UU | 60 | 90 | 110 | 1.860 |
LM80UU | 80 | 120 | 140 | 4.420 |


1 | 30+ years experienced factory | 6 | Only professional in bearing sector |
2 | 100% first hand prices | 7 | 24 hours online service |
3 | Stable and controlled quality | 8 | OEM Ability |
4 | Products double testing before shipping | 9 | After Sale Service Provided |
5 | Products photos and videos timely updated | 10 | Customized Service Provided |



The company has a professional product design and development system and the ability to conduct research and development simultaneously for customer projects. Our bearings are widely used in automotive transmissions, engines, powertrain systems such as transmissions, electric drive systems of new energy vehicles, steering systems, braking systems, drive shaft systems, air conditioning compressors and other automotive fields. Supporting industries: construction machinery, reducers, power tools, household appliances, etc.




A: We are a bearing manufacturer. Our factory is located in Liaocheng City. Welcome to visit our factory.
2.Q: How to get a quotation ?
A: Please send inquiry through made-in-china.com directly. Our salesman will provide you an accurate and professional offer according to your requirements.
3.Q:Do you offer free samples?
A: Yes, we offer free samples to distributors and wholesalers, however customers should bear freight.
4.Q: What's the MOQ ?
A: MOQ is 10pcs for standardized products; for customized products, MOQ should be negotiated in advance. There is no MOQ for sample orders.
5.Q:How long is the lead time?
A: The lead time for sample orders is 3-7 days, for bulk orders is 7-25 days.
6.Q: Do you accept ODM&OEM orders?
A: Yes, we provide ODM&OEM services to worldwide customers, we are able to customize housings in different styles, and sizes in different brands, we also customize bearing & packaging box as per your requirements.
7.Q: How to control bearing quality?
A: We have perfect quality control systems and testing equipments and experienced engineers for more than 10 years.We test bearings one by one assuring all bearings with high performance.
8.Q: What's your after-sales service and warranty?
A: We promise to bear the following responsibility when defective product is found:
1)12 months warranty from the first day of receiving goods;
2) Replacements would be sent with goods of your next order;
3) Refund for defective products if customers require
9.Q: What is the best way to maintain my bearings?
A: 1) Soak your bearings in mineral spirits or paint thinner to remove any grease or particulates.
2) Blow bearing out with compressed air.
3) Place a light drop of oil on the bearing.
4) Give the bearing a spin.
KINDLY REMIND:
In order to guarantee the bearing working life,please carefully install and maintenance.
1.open the package only before install to protect the bearing from rust.
2.must guarantee the working area of bearing is very clean.
3.strictly follow the carry capacity,temperature,working time of bearing.
Any other questions or any products you are interested, please contact us freely!
About the Supplier
This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASI255874". Items marked "" are certified.
Company Profile
Shandong Xinsheng Bearing Technology Co., Ltd. is a professional manufacturer of tapered roller bearings and cylindrical roller bearings. Located in Jiangbei Shuicheng, the Qingyin Expressway, Beijing Kowloon Railway, and 308 National Highway intersect with Beijing Fuzhou, making transportation very convenient. The company's products include tapered roller bearings, single row tapered roller bearings, double row tapered roller bearings, and British non-standard bearings. The products are mainly used in automobiles, machine tools, motors, and other mechanical equipment.
Our company was established in 2003 and has strong technical strength, advanced process equipment, complete testing methods, a temperature controlled assembly workshop, and has passed the IATF16949: 2016 international quality management system certification.
The product quality is stable and reliable. To ensure product quality, the company implements full process tracking from raw material selection to product delivery, eliminating adverse factors to product quality from the source, and continuously and effectively improving product quality to increase the service life of bearings.
Our company adheres to the principle of "quality first, customer first", and our products are sold well in more than 30 countries around the world, receiving high praise from customers. We welcome domestic and foreign merchants to come and negotiate business, and our company will serve you wholeheartedly.
Different kinds of products are available in our company. We' re pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of continuous improvement and innovation to meet the customers for the management and zero defect, zero complaints"as the quality objective.
About Our Factory & Business Background
- Address
- Liaocheng, Shandong, China
- Terms of Payment
- LC, Small-amount payment, T/T, D/P, PayPal, Western Union, Money Gram
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Qingdao Port
-
Minimum Order Quantity
- 10pcs
-
Supply Chain Partners
- 3
Our Production Capability & Technical Expertise
- Main Products
- Bearing, Tapered Roller Bearing, Deep Groove Ball Bearing, Auto Bearing, Ball Bearing, Roller Bearing, Clutch Bearing, Auto Parts, Wheel Hub Bearing, Motorcycle Parts
-
Production Lines
- 10
-
Production Machines
- Grinding machine, Cleaning line, Automatic assembling machine, Manual assembly machine
-
QA/QC inspectors
- 6 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Main Markets
- Domestic
-
Number of Foreign Trading Staff
- 3
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
FAQ
- What is the minimum order quantity?
- MOQ is 10 PCS for mixed standard bearings and 3000 PCS for customized brand bearings.
- Can I get free samples?
- Free samples depend on the model number, material, and quantity. Some samples require the client to pay for the sample charge and shipping cost.
- What customization options are available?
- We accept customized logos, drawings, and packaging designs. OEM and ODM services are fully supported.
- What are the available precision ratings?
- Precision ratings include P0, P4, P5, and P6.
- What is the lead time for orders?
- The average lead time is one month for both peak and off-peak seasons.
- What payment terms do you accept?
- We accept LC, small-amount payment, T/T, D/P, PayPal, Western Union, and Money Gram.
- What is the warranty or quality guarantee?
- We implement full process tracking from raw material selection to delivery and conduct 100% inspection on finished products.
- Where is the nearest shipping port?
- The nearest port is Qingdao Port.
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