Product Specifications
| Parameter |
Details |
| Model NO. |
21307 |
| Feature |
Long Life, High Speed, Low Noise |
| Specification |
35*80*21mm |
| Trademark |
TIMKEN |
| Origin |
America |
| HS Code |
8482300000 |
| Sample |
Available |
| Customerized |
Customizable |
Application Industries
| Industry |
Typical Equipment |
| Automotive |
Gearboxes, Transmission Systems |
| Industrial Manufacturing |
Electric Motors, Fans, Conveyors |
Stop Gearbox Downtime with Genuine Timken 21307 Spherical Roller Bearings
Many maintenance teams face unexpected production halts when bearings fail prematurely—especially in critical gearbox applications. Counterfeit bearings often cut corners on material quality and precision, leading to excessive noise, overheating, and costly replacements. Sourcing reliable high-speed bearings with strict quality control can mean the difference between smooth operations and unplanned downtime.
Genuine Timken 21307 Bearings: Engineered for High-Speed Gearbox Performance
The High-Speed Long Life Timken Spherical Roller Bearing 21307 is designed to address these challenges. With dimensions 35x80x21mm, this bearing combines Timken’s renowned manufacturing precision with features optimized for gearbox environments—including low noise operation and extended service life. As a professional bearing supplier with decades of export experience, we ensure every unit meets original equipment standards, supporting both standard and custom requirements for industrial machinery.
Optimal Performance in High-Speed Gearbox Applications
This spherical roller bearing excels in high-speed rotational environments where radial and axial loads are present. Its robust design handles the dynamic stresses of gearbox operations, maintaining stability even under variable speed conditions. Whether used in automotive transmissions or industrial gearboxes, the 21307 bearing delivers consistent performance, reducing the risk of unexpected failures that disrupt production schedules.
Key Technical Features That Drive Reliability
The 21307 bearing’s specifications directly contribute to its performance. The 35mm bore diameter and 80mm outer diameter balance load capacity with compact design, fitting seamlessly into standard gearbox assemblies. Its 21mm width provides sufficient contact area for load distribution, while the “High Speed” feature ensures minimal heat generation at elevated rotational speeds. Timken’s precision manufacturing also ensures low noise operation (Z2/Z3/Z4 grade as per industry standards), critical for reducing workplace noise pollution and indicating smooth internal operation.
Why Genuine Bearings Lower Total Cost of Ownership
Choosing genuine Timken bearings over counterfeit alternatives reduces long-term costs significantly. Counterfeit bearings may offer lower upfront prices but often fail within months, leading to repeated replacements, labor costs, and production downtime. Genuine Timken bearings, backed by ISO 9001:2015 quality certification, provide predictable service life, reducing maintenance frequency and associated expenses. Our strict incoming material inspection and full-process quality control further ensure each bearing meets international standards (ISO, ABMA, DIN), delivering reliable performance you can trust.
Your Trusted Partner for Bearing Solutions
With over 18 years of industry experience, Jinan Saifan Bearing Co., Ltd has built a reputation for reliability in global markets. We serve customers across Europe, North America, Southeast Asia, and the Middle East, offering one-stop service from R&D to global sales. Our certified technical team provides free guidance on bearing selection and installation, while our flexible order policy (1 piece MOQ for standard bearings) supports both small-scale repairs and bulk production needs. Every order includes a 12-month warranty, with free replacements for qualified defective products—ensuring your investment is protected.
Packaging & Shipping
- Carton and pallet packaging to ensure safe transit
- Sample orders delivered within 3-5 working days
- Bulk orders shipped in 5-15 working days
- Multiple logistics options including express and sea freight
- Free samples available for distributors and wholesalers (freight borne by customer)
Get Your Timken 21307 Bearing Today
Don’t let bearing issues slow down your operations. Whether you need a single replacement or bulk order, our ready stock ensures quick delivery. Contact us with your application details, and our technical team will confirm compatibility and provide a competitive quote—helping you get back to smooth, reliable gearbox performance.
Frequently Asked Questions
Q: Are these genuine Timken bearings?
A: Yes, we supply genuine original Timken bearings, sourced through authorized channels with complete traceability.
Q: How can I confirm if the 21307 bearing fits my gearbox?
A: Provide your gearbox model or technical specifications, and our professional team will verify compatibility free of charge.
Q: What is the warranty period for this bearing?
A: All products come with a 12-month warranty from the date of delivery, covering manufacturing defects.
Q: What is the minimum order quantity?
A: Standard bearings have a 1 piece MOQ; sample orders have no MOQ requirement.
Q: How long does shipping take?
A: Sample orders ship within 3-5 working days, bulk orders within 5-15 working days depending on quantity.
Ready to order or need a quote?
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