Ball Bearing

Thrust Ball Bearings 51218 51318 51120 51220 51320 P0-P4 Precision for Automobile Spare Parts

SKU: f9ca09250e83 In Stock

Ensure smooth, reliable rotation in automotive applications with our Thrust Ball Bearings—engineered to deliver P0-P4 precision for critical automobile spare parts. These 51218, 51318, 51120, 51220, and 51320 models handle axial loads with separated raceways for easy installation, making them ideal for transmissions and powertrain systems where durability meets precision.

  • Grease or oil lubrication options adapt to your maintenance routine, reducing downtime and extending service life
  • Z1V1-Z3V3 vibration grades minimize noise, ensuring a quieter ride while meeting ISO 9001:2015 quality standards
  • In-stock availability means fast 3-5 day delivery for urgent repairs, backed by our 12-month warranty for peace of mind
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. 51218, 51318, 51120, 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
Transport Package Carton Pallet
Specification (51218) 90*135*35 mm
Origin China
HS Code 8482102000

Application Industries

Industry Typical Equipment
Automobile Manufacturing Transmission systems, clutch assemblies, steering mechanisms
Industrial Machinery Press machines, injection molding equipment, textile machinery
Agricultural Machinery Harvesters, tractors, combine headers
Heavy Machinery Excavators, cranes, hydraulic lifts
Machine Tools Lathes, milling machines, spindle units

Eliminate Downtime with Precision Thrust Ball Bearings for Automobile Spare Parts

Automobile parts manufacturers know the frustration of bearing failures—premature wear causes assembly line stoppages, warranty claims, and lost production. Sourcing reliable thrust bearings that meet P0-P4 precision standards while managing MOQ constraints often creates unexpected delays. When every component matters, settling for substandard bearings risks compromising the entire vehicle’s performance.

Thrust Ball Bearings 51218-51320: In Stock and Engineered for Automotive Demands

Our Thrust Ball Bearings series (51218, 51318, 51120, 51220, 51320) addresses these challenges directly. With P0-P4 precision ratings and Z1V1-Z3V3 vibration control, these bearings deliver consistent performance in automotive transmission and steering applications. As an integrated manufacturer with ISO9001 certification, we maintain stock for immediate shipment—no minimum order required for standard items, with samples available in 3-5 days.

Engineered for Axial Loads in Critical Automotive Systems

Thrust Ball Bearings excel in applications with heavy axial loads, making them ideal for automobile spare parts like clutch release mechanisms and gearbox assemblies. The separated design allows easy installation and maintenance, while single-row construction ensures efficient load distribution. Whether operating in high-temperature engine compartments or under continuous vibration, these bearings maintain dimensional stability thanks to premium bearing steel construction.

Precision Parameters That Drive Automotive Reliability

Three technical specifications define these bearings’ performance advantage: Precision rating directly impacts rotational accuracy—P4 grade bearings reduce runout to less than 5μm, critical for synchronizing transmission components. Vibration class Z3V3 minimizes noise and resonance, meeting automotive interior acoustic standards. The 90*135*35mm dimension (51218 model) balances load capacity with compact design, fitting seamlessly into tight engine bay layouts. Together, these parameters ensure consistent performance across 10,000+ operating hours.

Why Authentic Precision Bearings Lower Total Cost

Choosing uncertified thrust bearings may seem cost-effective initially, but hidden expenses add up. A single bearing failure in an automotive assembly can halt production lines costing $2,000+ per hour. Our ISO9001-certified bearings reduce this risk with rigorous quality control—each unit undergoes dimensional inspection and vibration testing before shipment. With a 12-month global warranty and defect replacement policy, we stand behind the reliability of every Automobile Spare Parts Thrust Bearing we supply.

Our Commitment to Automotive Component Excellence

With 18 years of bearing manufacturing experience, we serve automotive parts producers across Europe, America, and Southeast Asia. Our R&D team develops custom solutions for unique applications, while our QC lab conducts 24-point inspections on all outgoing products. We offer flexible OEM/ODM services with strict confidentiality protocols, supporting your brand’s market differentiation. Our 5-15 day bulk delivery window ensures your production schedule stays on track, even during peak demand periods.

Packaging & Shipping

  • Carton packaging with pallet reinforcement for secure transport
  • 3-5 days sample lead time for qualification testing
  • 5-15 days bulk delivery for production orders
  • Multiple logistics options: TNT, DHL, sea freight, and air cargo
  • 1pc MOQ for standard models to support emergency repairs

Secure Your Bearing Supply Today

Don’t let bearing availability delay your production. With our in-stock Thrust Ball Bearings 51218-51320, you can maintain lean inventory while ensuring parts availability. Send your exact model requirements and quantity, and our technical team will confirm compatibility with your automotive applications—response within 24 hours.

Frequently Asked Questions

Q: Are these bearings suitable for high-temperature automotive applications?

A: Yes, our bearing steel construction maintains stability in temperatures up to 120°C, suitable for engine compartment environments.

Q: Can you provide custom dimensions for specific automobile spare parts?

A: We offer full ODM customization—provide your technical drawings, and our engineering team will develop tailored solutions.

Q: What warranty coverage do you offer on automotive bearings?

A: All bearings come with a 12-month global warranty covering manufacturing defects, with free replacement or refund available.

Q: How do you ensure bearing quality before shipment?

A: Each bearing undergoes precision measurement, vibration testing, and visual inspection in our ISO9001-certified QC lab.

Q: Do you provide technical support for bearing installation?

A: Our engineering team offers free technical guidance on mounting, lubrication, and maintenance best practices.

Ready to order or need a quote?
Send your bearing model, application details, and quantity to sales02@saifan-group.com — 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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