L28-4 Single Row Cylindrical Roller Bearing, High Precision High Radial Load Gearbox Roller Bearing for Automotive and Industrial Machinery
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Product Highlights
- High Radial Load Capacity -> Adopts cylindrical roller linear contact structure, effectively dispersing radial pressure. Compared with ball bearings of the same size, L28-4 exhibits much higher.
- Low Friction & High Speed Stability -> Optimized roller and raceway matching precision reduces running friction and heat generation. The standardized cage structure ensures uniform roller operation.
- Excellent Impact & Fatigue Resistance ->Manufactured from high-purity bearing steel with strict vacuum quenching heat treatment. The overall structure features high hardness, strong wear resistance.
- Precision Dimension Control ->Produced in strict accordance with industrial standard specifications. L28-4 features precise dimensional tolerance and assembly accuracy.
Product Attributes
- Customization
- Available
- Rolling Body
- Roller Bearings
- The Number of Rows
- Single
- Model NO.
- L28-4
- Outer Dimension
- 50-60 mm
- Material
- Bearing Steel
- Spherical
- Non-Aligning Bearings
- Load Direction
- Radial Bearing
- Separated
- Separated
- Quality Level
- P0, P2, P4, P5, P6
- Sample
- Available
- Row Number
- Single
- OEM Service
- Available
- Seal Type
- Black Seal, F Seal, Four Star Seal, R3 Seal
- Lead Time
- 5~30 Days
- Stock
- Yes
- Application 1
- Reduction Machinery Auto Parts
- Application 2
- Concrete Cement Mixer Truck Speed Reducer
- Application 3
- Construction Equipments, Printing Machine, Crane
- Application 4
- Digger, Excavator, Town Crane, Engineering Machine
- Application 5
- Scooter, Motorcycle, Air-Condition Compressor
- Application 6
- Agriculture Industrial Machinery Parts
- Certification
- CE, ISO, BV etc.
- More Details
- Please Leave Us Messages in The Bottom of The Page
- Transport Package
- Standard Export Box
- Specification
- 28X58X22mm
- Trademark
- OEM
- Origin
- China
- HS Code
- 8482102000
- Production Capacity
- 1000000
- Package Size
- 10.00cm * 10.00cm * 10.00cm
- Package Gross Weight
- 0.380kg
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 L28-4 Single Row Cylindrical Roller Bearing, High Precision High Radial Load Gearbox Roller Bearing for Automotive and Industrial Machinery
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L28-4 Single Row Cylindrical Roller Bearing, High Precision High Radial Load Gearbox Roller Bearing for Automotive and Industrial Machinery -
L28-4 Single Row Cylindrical Roller Bearing, High Precision High Radial Load Gearbox Roller Bearing for Automotive and Industrial Machinery -
L28-4 Single Row Cylindrical Roller Bearing, High Precision High Radial Load Gearbox Roller Bearing for Automotive and Industrial Machinery -
L28-4 Single Row Cylindrical Roller Bearing, High Precision High Radial Load Gearbox Roller Bearing for Automotive and Industrial Machinery -
L28-4 Single Row Cylindrical Roller Bearing, High Precision High Radial Load Gearbox Roller Bearing for Automotive and Industrial Machinery -
L28-4 Single Row Cylindrical Roller Bearing, High Precision High Radial Load Gearbox Roller Bearing for Automotive and Industrial Machinery -
L28-4 Single Row Cylindrical Roller Bearing, High Precision High Radial Load Gearbox Roller Bearing for Automotive and Industrial Machinery
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Product Description
L28-4 Single Row Cylindrical Roller Bearing, High Precision High Radial Load Gearbox Roller Bearing for Automotive and Industrial Machinery
|
Item
|
Parameter
|
|
Model
|
L28-4
|
|
Bearing Type
|
Single Row Cylindrical Roller Bearing
|
|
Inner Diameter (d)
|
28 mm
|
|
Outer Diameter (D)
|
62 mm
|
|
Overall Width (B)
|
22 mm
|
|
Main Load Type
|
High Radial Load
|
|
Precision Class
|
P0 Industrial Grade (P6/P5 Customizable)
|
|
Material
|
High-Purity GCr15 Bearing Steel
|
|
Cage Type
|
Standard Reinforced Steel Cage
|
|
Limiting Speed (Grease)
|
8500 rpm
|
|
Weight
|
0.38 kg
|
| Product No. | L28-4 |
| d | 28 mm |
| D | 58 mm |
| B | 22 mm |
| Weight | 0.25 kg |
Recommend bearings:
| Model | Bore d (mm) | Outer Diameter D (mm) | Width B (mm) | Application Field |
|---|---|---|---|---|
| L28-4 | 28 | 58 | 22 | Automotive CVT/Automatic transmission, gearbox overhaul |
| F-232759.3 | 30 | 62 | 24 | Auto transmission, passenger car gearbox assemblies |
| DG358816 | 35 | 88 | 16 | Subaru TR580/TR690 CVT pulley bearings |
| F-628573.KL | 32 | 65 | 23 | European vehicle automatic transmission systems |
| NU2206E | 30 | 62 | 20 | General machinery, gear reducers, medium-duty motors |
| NJ2206E | 30 | 62 | 20 | Conveyors, construction machinery, pump shafts |
| NUP2206E | 30 | 62 | 20 | Gearboxes requiring bidirectional axial positioning |
| RNU2206 | 30 | 52 | 20 | Compact transmission units, limited housing space |
| NU206E | 30 | 62 | 16 | Industrial fans, compressors, light-load machinery |
| NJ206E | 30 | 62 | 16 | Agricultural machinery, textile processing equipment |
| F-556247 | 29 | 60 | 22 | Japanese vehicle automatic transmission bearings |
| F-618651 | 31 | 64 | 22 | Commercial light truck gearbox repair parts |
| L30-5 | 30 | 60 | 23 | Automotive auxiliary transmission, transfer case |
| L32-3 | 32 | 62 | 21 | Hydraulic pump, automotive power assemblies |
| SL182206 | 30 | 62 | 20 | Full complement type, heavy-load low-speed gear units |
| NCF2206V | 30 | 62 | 20 | Mining machinery, heavy-duty conveyor rollers |
| F-804891 | 28 | 60 | 22 | Compact car dual-clutch transmission (DCT) parts |
| F-903452 | 28 | 56 | 20 | Motorcycle gearbox, small engineering machinery |
| NU2306E | 30 | 72 | 27 | Heavy-duty reducers, construction equipment main shafts |
| NJ2306E | 30 | 72 | 27 | Vibrating machinery, heavy-load vehicle assemblies |
Why our bearing is better than other?
Material
We usually use bearing steel (GCr15), but many manufacturers only use softer carbon steel materials, so our bearings have higher hardness and longer service life.
Heat treatment
We have our own heat treatment plant and do not need to be outsourced. We use a slower speed and more stable temperature to effectively control the steel and increase the toughness and life of the steel.
Other small-scale bearing companies usually need to outsource. Many outsourcing factories only strengthen the hardness of the bearing surface due to cost factors, but the hardness inside is not enough, which is the reason why many bad bearings are easy to crack.
Precision
Our bearings can be controlled at a height accuracy of 0~-0.004mm, fast speed and smoothness.
Multiple grinding process
We grind the bearing many times, but others may grind it only once, so the chamfer of our bearing is very smooth.
In conclusion
We use high-quality materials and multiple grinding processes, so our bearings have the characteristics of high speed, low noise,high precision and long life.
Quality guarantee
we give our customers 1 year quality warranty for the bearings.
Material
We usually use bearing steel (GCr15), but many manufacturers only use softer carbon steel materials, so our bearings have higher hardness and longer service life.
Heat treatment
We have our own heat treatment plant and do not need to be outsourced. We use a slower speed and more stable temperature to effectively control the steel and increase the toughness and life of the steel.
Other small-scale bearing companies usually need to outsource. Many outsourcing factories only strengthen the hardness of the bearing surface due to cost factors, but the hardness inside is not enough, which is the reason why many bad bearings are easy to crack.
Precision
Our bearings can be controlled at a height accuracy of 0~-0.004mm, fast speed and smoothness.
Multiple grinding process
We grind the bearing many times, but others may grind it only once, so the chamfer of our bearing is very smooth.
In conclusion
We use high-quality materials and multiple grinding processes, so our bearings have the characteristics of high speed, low noise,high precision and long life.
Quality guarantee
we give our customers 1 year quality warranty for the bearings.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR2641186". Items marked "
" are certified.
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Company Profile
WUXI AMC POWER MACHINERY Co., Ltd is located in Wuxi City. AMC is a technology-oriented group, specialized in R&D, manufacturing, sales and service of high quality Bearings, Chains, Gears, Auto Parts, etc...And our annual sales are beyond 50 million RMB.
In order to make AMC as a symbol of quality, we invested a lot in advanced CNC equipments and the complete set of precision inspection devices, committed ourselves to building a high quality employee team and brought in advanced technique of manufacturing and management from USA, Germany and Italy. We have strictly implemented ISO 9001 and 14001, as our respect to quality control and environment protection.
Main Products & Certificate
Our bearings are mainly involved in nine categories, three levels of precision and more than 4, 000 conventional bearing types. Our company also manufacture stainless steel roller chain and carbon steel roller chain. Also, we possess "AMC", the independent brand of our own. The quality of our products is strictly controlled under the standard of ISO9001: 2015.
Additionally, our products are exported all over the world such as Germany, United States, United Kingdom, Brazil, UAE, Italy, France and so on.
Faith
1. Quality Products: We devote ourselves to provide products of best quality for customers.
2. Excellent Service: We devote ourselves to offer a customer-centered service.
3. Integrity Management: We deal with all the business cooperation with high-level transparency and strong sense of responsibility.
4. Team Spirit: All the staff of AMC possess strong sense of responsibility and the consciousness of creating High-end value.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- Room 603, 99 Zhongshangcheng Road, Xinwu District, Wuxi, Jiangsu, China
-
Registered Capital
- 5,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 10 PCS
-
Supply Chain Partners
- 2
Our Production Capability & Technical Expertise
-
Main Products
- Ball Bearing, Roller Bearing, Pillow Block Bearing, Slewing Bearing, Linear Bearing, Roller Chain, Sprocket, Gear, Angular Contact Ball Bearing, Thrust Ball Bearing
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
R&D Engineers
- 1 people
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2020-05-22
-
Export Year
- 6 Years
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Mid East, Eastern Asia, Western Europe
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015
FAQ
- What is L28-4 bearing used for?
- L28-4 is a single-row cylindrical roller bearing mainly used for high radial load and high-speed scenarios, widely applied in automotive gearboxes, transmission systems and various industrial mechanical transmission equipment.
- What is the core advantage of L28-4 bearing?
- It features ultra-high radial load capacity, low friction operation and excellent structural rigidity, effectively resisting heavy load and vibration, ensuring stable and long-lasting operation of transmission components.
- Can L28-4 work at high speed?
- Yes. Optimized internal structure and high-precision matching enable the bearing to adapt to medium and high-speed operating conditions with low heat generation and stable rotation.
- Is L28-4 bearing interchangeable?
- Absolutely. Adopting industry-standard boundary dimensions, it possesses high compatibility and can directly replace mainstream brand bearings of the same model for equipment maintenance.
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