📊 Basic Information
Model NO.1301ETN9 1302ETN9 1303EM 1303ETN9 1222K
Inner Diameter (D)50 mm
Outer Diameter (D)90 mm
Width (B)20 mm
Dynamic Load Rating (C)23.5 kN
Limiting Speed (Grease)9,000 Rpm
Weight (Kg)0.35
MaterialBearing Steel
StructureSelf-Aligning
HS Code8482101000
🛠️ Product Description
SELF-ALIGNING BALL BEARINGS: These bearings are critical components designed to accommodate misalignment and shaft deflection. They consist of an inner ring, an outer ring, and rolling elements uniquely engineered to reduce friction and enhance operational efficiency.
Key Features: The self-aligning feature allows the bearing to maintain functionality even when subjected to misalignment due to varying loads or installation errors, making it a preferred choice in dynamic environments.
Available Types
- Standard: Most common for general industrial setups.
- Heavy-Duty: Built with reinforced materials for high-load applications.
- High-Speed: Engineered for minimal friction at high RPMs.
- Corrosion-Resistant: Ideal for harsh or wet environments.
🌟 Advantages & Applications
1
Aerospace & Construction: Essential in aircraft components where reliability is key, and in heavy machinery like cranes and excavators subjected to dynamic loading.
2
Reduced Friction: Minimizes wear and heat generation, resulting in lower energy consumption and extended bearing life.
3
Simplified Installation: Design helps reduce setup times and associated labor costs.
🔧 Installation Instructions
Key Specifications:
- Ensure coaxiality error is within the allowable range of the aligning angle.
- Use specialized tools; never hammer the outer ring directly.
- High-Speed: Use low-viscosity synthetic oil (ISO VG 32).
- High-Temp: Use high-temperature lithium-based grease.
📏 Product Parameters
| Designation |
d (mm) |
D (mm) |
B (mm) |
C (kN) |
C0 (kN) |
Ref. Speed |
Limit Speed |
| 1212 EKTN9 | 60 | 110 | 22 | 31.2 | 12.2 | 12,000 | 8,000 |
| 1213 ETN9 | 65 | 120 | 23 | 35.1 | 14 | 11,000 | 7,000 |
| 1215 | 75 | 130 | 25 | 39 | 15.6 | 10,000 | 6,700 |
| 1220 | 100 | 180 | 34 | 68.9 | 30 | 7,500 | 4,800 |
| 1301 EM | 12 | 37 | 12 | 9.36 | 2.16 | 40,000 | 28,000 |
📜 Certifications & Logistics
❓ Frequently Asked Questions
Q1: What are the primary benefits of self-aligning ball bearings?
They are specifically designed to handle angular misalignment between the shaft and housing, making them ideal for applications where shaft deflection or mounting inaccuracies are expected.
Q2: Can I order a single piece as a sample?
Yes, we accept sample orders with a Minimum Order Quantity (MOQ) of 1 piece to help you verify quality before bulk purchasing.
Q3: What materials are used in your bearings?
Our bearings are available in various materials including high-grade chrome steel (Gcr15), stainless steel, carbon steel, ceramic, and specialized plastics depending on your environment.
Q4: How should these bearings be lubricated for high-temperature use?
For high-temperature or heavy-load applications, we recommend using high-temperature lithium-based grease such as Mobilith SHC 100 to ensure stability and longevity.
Q5: Do you offer international door-to-door delivery?
Yes, we provide door-to-door shipping services via air or express carriers like DHL, FEDEX, and EMS to ensure fast and reliable delivery.
Q6: Are OEM and ODM customization services available?
Absolutely. We can customize bearings according to your specific requirements, technical drawings, or samples to meet unique application needs.