China Thrust Ball Bearing 51104 51204 51304 51105 51205 51305

Looking for Reliable Thrust Ball Bearings 51104-51305? Here’s What Matters

Industrial buyers often face frustration when sourcing thrust ball bearings—whether it’s尺寸 mismatches causing installation delays, premature failures from substandard materials, or the hassle of coordinating with multiple suppliers for different brands. As a bearing specialist with over a decade in the industry, we understand these challenges firsthand.

Built for Heavy Axial Loads in Critical Applications

Our China Thrust Ball Bearing series (51104, 51204, 51304, 51105, 51205, 51305) addresses these pain points through ISO 9001-certified manufacturing and a comprehensive inventory that includes both our own brand and major international standards. These bearings excel in applications like hydraulic cylinder end supports, automotive transmission systems, and industrial press machinery, where reliable axial load handling is non-negotiable.

Where This Bearing Performs Best

Designed for pure axial load conditions (no radial load capacity), these thrust ball bearings operate effectively within -30°C to 120°C temperature ranges. Their single-direction design makes them ideal for vertical shafts in gearboxes, crane pivot points, and injection molding machines—situations where precise load transfer and minimal maintenance downtime are critical.

Engineering Details That Matter

The 51100 (thin section), 51200 (medium section), and 51300 (heavy section) series offer distinct performance characteristics:
– Bore diameters (d) range from 20mm (51104/51204/51304) to 25mm (51105/51205/51305), with outer diameters (D) up to 47mm (51305), allowing precise fit in standard housing designs.
– High-carbon chromium steel construction ensures surface hardness of HRC 58-62, critical for withstanding repeated axial impacts without deformation.
– Precision Class P0 manufacturing tolerances guarantee interchangeable dimensions with major international standards, simplifying replacement in existing equipment.

Why Bearing Selection Affects Total Cost

Choosing the right thrust ball bearing directly impacts operational expenses. A mis-sized bearing can cause shaft misalignment, leading to seal failures and unplanned downtime. Inferior materials often result in 30-50% shorter service life compared to ISO-certified alternatives. By focusing on dimensional accuracy and material quality, our bearings reduce long-term costs associated with maintenance, replacement, and production interruptions.

Quality You Can Rely On

Packaging & Shipping

• Standard industrial packaging: plastic tube or carton box with anti-rust coating
• 现货 inventory for immediate dispatch (typically 1-2 business days)
• Flexible shipping options: DHL/FedEx for urgent orders, sea freight for bulk quantities
• Low minimum order quantity: starts from 10 pieces per model

Request a Quote for Your Exact Requirements

Whether you need a specific model from the 51104-51305 series or require assistance identifying the right thrust ball bearing for your application, our technical team is ready to help. Provide your required model number, quantity, and delivery location, and we’ll respond with competitive pricing and availability within 4 hours.

Frequently Asked Questions