Motorcycle Engine Thrust Ball Bearing 51103 Factory Supply

Product Specifications

Application Suitability

Struggling with Motorcycle Engine Bearing Failures? The 51103 Thrust Ball Bearing Delivers Reliability

Motorcycle engine bearings face constant axial loads and temperature fluctuations, yet many replacement parts fail prematurely due to poor material quality or imprecise manufacturing. Sourcing the right thrust ball bearing often means navigating fragmented suppliers, each offering limited brands and long lead times—costing your operation valuable downtime.

Engineered for Motorcycle Power Transmission Systems

The 51103 Thrust Ball Bearing addresses these challenges with ISO9001:2008 certified production and a separated design that simplifies installation and maintenance. As a full-line bearing supplier, we maintain in-stock inventory of this motorcycle engine thrust ball bearing, ensuring you get the parts you need without unnecessary delays. Its 17x30x9mm dimensions fit standard motorcycle engine configurations, providing a direct replacement option for worn components.

Optimal Performance in Axial Load Applications

This single-row thrust ball bearing is specifically designed to handle axial loads in motorcycle engines, where it supports components like crankshafts and transmission gears. With a contact angle of 0°, it excels in pure thrust applications, maintaining stability even under the high RPM conditions typical of motorcycle operation. The non-aligning design ensures precise positioning where shaft alignment is critical to prevent vibration and noise.

Key Engineering Features for Longevity

Manufactured from high-grade bearing steel, the 51103 offers exceptional hardness and wear resistance—critical properties for withstanding the mechanical stresses of engine operation. Its precision rating options (from P0 to P2) allow you to select the tolerance level matching your application requirements, with higher precision grades reducing rotational play for smoother performance. The Z1V1 to Z3V3 vibration classes further ensure quiet operation, a key consideration in motorcycle design where excessive noise impacts rider experience.

Total Cost of Ownership Matters More Than Initial Price

Choosing a low-quality thrust ball bearing may save money upfront, but frequent replacements and engine downtime quickly erase those savings. The 51103’s robust construction and material quality reduce the risk of premature failure, lowering long-term maintenance costs. Proper lubrication—either grease or oil as specified—further extends service life, making this bearing a cost-effective solution for motorcycle engine rebuilds and repairs.

Quality You Can Rely On

Packaging & Shipping

• Packaged in cartons with palletization available for bulk orders
• In-stock inventory ensures same-day or next-day dispatch
• Flexible shipping options including express courier, air freight, and sea freight
• Low minimum order quantity supported, ideal for both small repairs and large production runs

Get Your Motorcycle Engine Bearing Quote Today

Whether you need the 51103 thrust ball bearing or another motorcycle engine component, we can assist with your exact requirements. Provide the model number, quantity, and delivery location, and our team will respond with competitive pricing and availability. With our extensive inventory and global shipping network, we make sourcing reliable bearings simple and efficient.

Frequently Asked Questions