High-Speed Long Life Timken Spherical Roller Bearing 21307 35x80x21mm for Gearbox

Product Specifications

Application Industries

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

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