Ball Bearing

High-Precision Thrust Ball Bearing 51220 51320 for Industrial Machinery, 100x150x38mm, P0-P4 Grade

SKU: f3242fbe0240 In Stock

Ensure smooth, precise rotation in your industrial machinery with our High-Precision Thrust Ball Bearing 51220 51320, engineered to deliver consistent performance under heavy axial loads. Crafted to P0-P4 precision grades and sized at 100x150x38mm, this separated-type bearing minimizes vibration (Z1V1-Z3V3) and extends equipment service life, even in demanding manufacturing environments.

  • Grease or oil lubrication flexibility adapts to your operational needs, reducing maintenance downtime
  • ISO 9001:2015 certified quality ensures reliability, backed by our 12-month warranty for peace of mind
  • Available in stock for quick 3-5 day shipping, supporting your production schedule with minimal delays
Wholesale Price (FOB)
¥1.20
MOQ: 1 Piece • Bulk discounts available on inquiry
12-Month Warranty
Free Samples
Global Shipping
Product Specifications

Technical Details & Description

Product Specifications

Parameter Details
Model NO. 51220 51320
Lubrication Grease or Oil
Precision Rating P0 P6 P5 P4 P2
Vibration Z1V1 Z2V2 Z3V3
Certification ISO9001:2008
Stock in Stock
Service OEM ODM
Aligning Non-Aligning Bearing
Separated Separated
Rows Number Single
Load Direction Thrust Bearing
Material Bearing Steel
Contact Angle
Transport Package Carton Pallet
Specification 100×150×38 mm
Origin China
HS Code 8482102000

Application Industries

Industry Typical Equipment
Industrial Machinery Machine Tools, Presses, Gearboxes
Manufacturing CNC Machines, Injection Molding Equipment
Automotive Transmission Systems, Axle Assemblies
Agriculture Harvesters, Tractors, Farm Machinery
Heavy Machinery Excavators, Construction Equipment

Eliminate Downtime with High-Precision Thrust Ball Bearing 51220 51320

Equipment failures from substandard thrust bearings cost manufacturers thousands in lost production each year. Misaligned components, premature wear, and inconsistent performance plague operations relying on low-quality bearings. Sourcing precision-grade thrust bearings often means navigating minimum order quantities that delay critical repairs—until now.

High-Precision Thrust Ball Bearings Ready for Immediate Shipment

Our High-Precision Thrust Ball Bearing 51220 51320 eliminates these frustrations with stock availability and engineering excellence. Designed for industrial machinery operating under axial loads, this 100x150x38mm bearing delivers reliable performance in machine tools, presses, and gearboxes. With P0-P4 precision ratings and Z1V1-Z3V3 vibration control, it meets the strict tolerances required for continuous production environments.

Engineered for Axial Load Mastery

This single-row thrust ball bearing excels in applications where axial load handling is critical. The separated design allows for easy installation and maintenance, while the 0° contact angle optimizes load distribution across the bearing steel raceways. Whether your equipment operates at moderate speeds in agricultural machinery or high-precision environments like CNC machining centers, this bearing maintains stability under varying load conditions.

Precision That Drives Performance

Our Thrust Ball Bearing 51220 51320 incorporates technical features that directly impact operational efficiency. The P0-P4 precision rating ensures minimal runout, reducing vibration and extending equipment lifespan. Vibration grades Z1V1 to Z3V3 allow customization based on noise sensitivity—critical for machinery in noise-controlled environments. The bearing steel construction provides durability against wear, while the separated design simplifies lubrication maintenance with both grease and oil compatibility.

Beyond Price: The True Value of Quality Bearings

Choosing uncertified thrust bearings may seem cost-effective initially, but hidden expenses quickly accumulate. Early failure leads to production downtime, increased maintenance labor, and potential damage to mating components. Our ISO9001:2008 certified bearings eliminate these risks, delivering consistent performance that lowers total cost of ownership. The 100x150x38mm Thrust Bearing’s precision manufacturing ensures proper fit, reducing energy consumption and extending service intervals compared to generic alternatives.

Why Global Buyers Choose Saifan Bearings

With over 18 years of manufacturing experience, Jinan Saifan Bearing has supplied precision bearings to buyers across Europe, America, Southeast Asia, and the Middle East. Our vertically integrated production includes full R&D capabilities and a dedicated QC lab, ensuring each bearing meets strict performance standards. We offer flexible ordering with 1pc MOQ for standard items, 3-5 day sample lead times, and 5-15 day bulk delivery. All bearings come with a 12-month global warranty, free technical guidance, and defect replacement or refund policies. Our established supply chain and ISO14001 certification further demonstrate our commitment to reliability and sustainability.

Packaging & Shipping

  • Carton pallet packaging with protective inner layers to prevent damage during transit
  • 3-5 day sample lead time for product evaluation
  • 5-15 day bulk delivery for standard orders
  • Multiple shipping options including express, air, and sea freight
  • 1pc MOQ available for emergency repairs and small-batch requirements

Secure Your Bearing Supply Today

Don’t let equipment downtime erode your productivity. Our High-Precision Thrust Ball Bearing 51220 51320 is in stock and ready to ship, with the technical support to ensure proper application. Whether you need a single unit for emergency repair or bulk quantities for production, we provide the reliability industrial operations demand.

Frequently Asked Questions

Q: Are these bearings manufactured to original specifications?

A: Yes, our thrust ball bearings are produced in compliance with international standards and undergo rigorous quality control processes. We hold ISO9001:2008 certification, ensuring consistent manufacturing quality.

Q: How can I confirm if the 51220/51320 is suitable for my equipment?

A: Provide your equipment model, operating conditions (load, speed, temperature), and application details. Our technical team will verify compatibility and recommend the appropriate precision and vibration grade for your needs.

Q: What warranty coverage do you offer?

A: All bearings come with a 12-month global warranty covering manufacturing defects. We provide free technical guidance and offer defect replacement or refunds per our warranty policy.

Q: What is the minimum order quantity?

A: We accept 1pc MOQ for standard items, supporting both emergency repair needs and small-batch purchases.

Q: How quickly can I receive my order?

A: Samples ship within 3-5 days, and bulk orders deliver in 5-15 days. We offer flexible shipping options to meet your timeline requirements.

Q: How do you ensure product quality before shipment?

A: Each bearing undergoes inspection in our QC lab, including dimensional checks, vibration testing, and material verification. We maintain full traceability from raw materials to finished products.

Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

Sample Policy

Free samples available for distributors. 3–5 days production lead time.

Bulk Delivery

5–15 days for bulk orders. T/T, L/C and Alibaba payments accepted.

Certifications

ISO 9001:2015, ISO 14001 certified. ABMA / DIN compliant.

After-Sales

12-month warranty plus dedicated technical failure analysis support.

Engineering Insights

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