Spherical Roller Bearing 21307 35x80x21mm NTN for Gearbox High Speed in Stock

Product Specifications

Application Industries

Reduce Gearbox Downtime with NTN 21307 Spherical Roller Bearing

Gearbox failures often stem from substandard bearings that can't handle high-speed rotation, costing manufacturers thousands in lost production. Sourcing genuine bearings from reliable suppliers remains a challenge, with many distributors lacking the stock to meet urgent maintenance needs or the expertise to confirm cross-brand compatibility.

Genuine NTN 21307 Bearings in Stock for Immediate Shipment

As an official NTN distributor, we stock the NTN 21307 Spherical Roller Bearing to address these critical pain points. This 35x80x21mm bearing delivers long life, high-speed performance, and low noise—ideal for gearboxes in automotive and industrial machinery. Our ISO 9001 quality control system ensures every unit meets NTN's strict standards, with hot-selling inventory available for same-day dispatch to minimize your equipment downtime.

Engineered for High-Speed Gearbox Performance

The NTN 21307 excels in applications requiring reliable operation under radial and axial loads. Its spherical roller design accommodates misalignment, a common issue in gearbox assemblies, while the high-speed capability ensures efficient power transmission without compromising durability. Whether used in automotive transmissions or industrial gearboxes, this bearing maintains stable performance even in continuous operation scenarios.

Key Technical Features Driving Reliability

The 35mm bore diameter and 80mm outer diameter balance load capacity with compact installation, making it suitable for space-constrained gearboxes. The 21mm width provides optimal support for radial forces, while NTN's precision manufacturing ensures consistent low noise operation—critical for machinery operating in noise-sensitive environments. The bearing's long-life design reduces maintenance intervals, directly lowering your total operational costs.

Avoid Hidden Costs of Counterfeit Bearings

Non-genuine bearings may offer lower upfront prices but often fail prematurely, leading to unplanned downtime, costly repairs, and potential damage to adjacent gearbox components. Our NTN 21307 bearings come with full traceability and official authorization documentation, ensuring you receive the performance and longevity specified by NTN. Investing in genuine components ultimately reduces your total cost of ownership by minimizing replacement frequency and associated production losses.

Why 1,100+ Clients Trust Our Bearing Solutions

Packaging & Shipping

• Original NTN packaging with carton pallet reinforcement
• 3-7 business days delivery for in-stock items
• Multiple logistics options: DHL, FedEx, UPS, air, and sea freight
• Real-time tracking number provided upon shipment
• Minimum order quantity: 1 piece, ideal for emergency maintenance

Get Your NTN 21307 Bearing Today

Don't let gearbox downtime disrupt your production schedule. Send us your NTN 21307 quantity requirements and application details, and our team will confirm stock availability and provide a competitive quote within 24 hours. With our ready inventory, you can restore equipment operation quickly and avoid unnecessary losses from extended downtime.

Frequently Asked Questions