Product Specifications
| Parameter |
Details |
| Model NO. |
21305EAE4 |
| Precision Rating |
P0, P6, P5, P4, P2 |
| Clearance |
C0, C3, C4 |
| Service |
OEM, ODM |
| Rolling Body |
Roller Bearings |
| The Number of Rows |
Double |
| Material |
Bearing Steel |
| Spherical |
Aligning Bearings |
| Load Direction |
Radial Bearing |
| Separated |
Unseparated |
| Specification |
25×62×17 mm |
| Trademark |
SKF, NTN, NSK, NMB, Koyo, NACHI, Timken |
| Origin |
China |
| HS Code |
8482300000 |
| Production Capacity |
1,000,000 units |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine tools, gearboxes, conveyors, printing equipment |
| Agricultural Machinery |
Tractors, harvesters, tillers |
| Construction |
Excavators, loaders, crushers |
| Automotive |
Transmission systems, auxiliary equipment |
| New Energy |
Wind turbines, solar tracking systems |
Reduce Downtime with Reliable Self-Aligning Roller Bearing 21305EAE4 for Industrial Machinery
Industrial machinery operators know the cost of unexpected downtime—hours of halted production, missed deadlines, and costly repairs often stem from bearing failures. When misalignment or heavy radial loads cause standard bearings to wear prematurely, finding a precision-fit replacement with quick delivery becomes critical. Many suppliers force minimum order quantities that leave small-to-medium operations overstocked, while others compromise on material quality, leading to short service life.
Self-Aligning Roller Bearing 21305EAE4: Engineered for Stability and Flexibility
Our Self-Aligning Roller Bearing 21305EAE4 addresses these challenges with P0-P4 precision grades and double-row roller design, accommodating shaft misalignment up to 2° while handling heavy radial loads. As a professional bearing manufacturer with decades of export experience, we support flexible orders—1 piece MOQ for standard bearings—and ensure 3-5 working days delivery for sample orders, making emergency repairs and small-batch production feasible. Whether for textile machinery gearboxes or agricultural equipment conveyors, this 25×62×17mm bearing delivers consistent performance in demanding industrial environments.
Optimal Performance in Demanding Working Conditions
This Self-Aligning Roller Bearing 21305EAE4 excels in applications with variable loads and moderate speeds, such as excavator swing mechanisms and printing press rollers. Its spherical outer ring design allows self-alignment, reducing stress on shafts and housings caused by installation errors or shaft deflection. Constructed from high-grade bearing steel, it withstands continuous operation in temperatures ranging from -30°C to 120°C, making it suitable for both indoor manufacturing facilities and outdoor construction sites. The unseparated structure ensures easy installation and maintenance, minimizing downtime during replacements.
Technical Specifications That Ensure Long-Term Reliability
The precision rating of this bearing—from P0 (standard) to P4 (high precision)—directly impacts machine accuracy. P4 grade reduces rotational runout, critical for CNC machine spindles requiring tight tolerances, while P0 suits general industrial use where cost-efficiency is key. Clearance options (C0, C3, C4) accommodate thermal expansion: C3 and C4 clearances are ideal for high-temperature applications like steel mill conveyors, preventing seizing under heat. The double-row roller design distributes radial loads evenly, increasing dynamic load capacity and extending service life compared to single-row alternatives. Our in-house laboratory conducts dimensional and vibration testing to ensure each bearing meets ISO 9001:2015 standards, guaranteeing consistent performance batch after batch.
Why Genuine Bearings Lower Total Cost of Ownership
Choosing genuine Self-Aligning Roller Bearing 21305EAE4 over counterfeit products avoids hidden costs: fake bearings often use substandard steel, leading to early fatigue and catastrophic failures that damage expensive equipment. A single bearing failure in a production line can cost thousands in downtime, while our 12-month warranty covers manufacturing defects, offering free replacement or refund. We source raw materials from certified suppliers and implement full-process quality control, ensuring each bearing meets ABMA and DIN standards. For wholesalers and industrial buyers, this reliability translates to fewer customer complaints and stronger long-term partnerships.
Our Commitment to Quality and Service
With 18 years of manufacturing experience, Jinan Saifan Bearing serves customers in Europe, North America, Southeast Asia, and the Middle East, maintaining a 98% on-time delivery rate for bulk orders. Our ISO 14001 environmental certification ensures sustainable production practices, while our high-tech enterprise qualification reflects investment in R&D. We offer free technical guidance on bearing selection, installation, and lubrication, with a professional team available for remote troubleshooting. For distributors and wholesalers, we provide free samples (freight borne by customer) to verify quality before large orders, supported by multiple payment options including T/T, Credit Card, and Alibaba platform transactions.
Packaging & Shipping
- Carton and pallet packaging with moisture-proof wrapping to ensure product integrity during transit
- 3-5 working days delivery for sample orders; 5-15 working days for bulk production
- Global logistics options: DHL, FedEx, UPS, air freight, and sea freight to match urgency and budget
- Real-time tracking number provided upon shipment for full supply chain visibility
- 1 piece MOQ for standard bearings, with customized order quantities negotiable to meet specific needs
Get Your Self-Aligning Roller Bearing 21305EAE4 Today
Don’t let bearing issues disrupt your operations. Whether you need a single replacement for emergency repair or bulk orders for production, our Self-Aligning Roller Bearing 21305EAE4 is ready to ship. Send us your application details—including equipment type, load conditions, and required precision grade—and our technical team will confirm compatibility and provide a competitive quote within 24 hours.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: Yes, we supply genuine bearings from brands like NSK and INA, with full traceability through our certified supply chain. We can provide origin certificates and quality reports upon request.
Q: How do I confirm if the 21305EAE4 bearing fits my equipment?
A: Provide your equipment model, shaft diameter, and operating conditions (load, speed, temperature), and our technical team will verify compatibility and recommend the appropriate precision grade and clearance.
Q: What is your warranty policy for this bearing?
A: We offer a 12-month warranty from the date of delivery. Defective products due to manufacturing issues will be replaced free of charge or refunded, with replacement shipped with your next order or via expedited delivery if urgent.
Q: What is the minimum order quantity for the 213
Quality Assurance
100% Inspection
High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.
Delivery
3-15 Days
Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).
Customization
Full OEM/ODM
P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.
After-Sales
12-Month Warranty
Professional technical guidance and failure solutions from our R&D team.
