Saifan Bearing
High-Precision Thrust Ball Bearing 51211 51311 for Jack & Low Speed Reducer with ISO9001
High-Precision Thrust Ball Bearing 51211 51311 for Jack & Low Speed Reducer with ISO9001
High-Precision Thrust Ball Bearing 51211 51311 for Jack & Low Speed Reducer with ISO9001
High-Precision Thrust Ball Bearing 51211 51311 for Jack & Low Speed Reducer with ISO9001
High-Precision Thrust Ball Bearing 51211 51311 for Jack & Low Speed Reducer with ISO9001
High-Precision Thrust Ball Bearing 51211 51311 for Jack & Low Speed Reducer with ISO9001
High-Precision Thrust Ball Bearing 51211 51311 for Jack & Low Speed Reducer with ISO9001
High-Precision Thrust Ball Bearing 51211 51311 for Jack & Low Speed Reducer with ISO9001
High-Precision Thrust Ball Bearing 51211 51311 for Jack & Low Speed Reducer with ISO9001
High-Precision Thrust Ball Bearing 51211 51311 for Jack & Low Speed Reducer with ISO9001
In Stock · Ready to Ship

High-Precision Thrust Ball Bearing 51211 51311 for Jack & Low Speed Reducer with ISO9001

SKU: 3a7da0e64e0c

Ensure smooth, reliable rotation for your jack or low-speed reducer with our High-Precision Thrust Ball Bearing 51211/51311. Engineered to handle axial loads with precision, this bearing minimizes wear and reduces maintenance downtime, keeping your equipment running longer between service checks.

  • Available in P0-P4 precision grades and Z1V1-Z3V3 vibration levels to match your exact performance needs
  • Separated design allows easy installation and maintenance, a must-have feature for low-speed applications
  • ISO9001:2015 certified construction ensures consistent quality, so you can trust it to perform under heavy loads
  • Grease or oil lubrication flexibility lets you optimize for your specific operating environment
Factory Price
¥1.20
MOQ: 1pc · Bulk discount available
ISO 9001
Certified
12-Month
Warranty
3-5 Days
Sample Delivery
Technical Documentation

Product Details

Product Specifications

Parameter Details
Model NO. 51211 51311
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 180*300*95 mm
Origin China
HS Code 8482102000

Application Industries

Industry Typical Equipment
Industrial Machinery Low Speed Reducers, Jacks
Automotive Hydraulic Jacks, Lifting Equipment
Manufacturing Material Handling Systems, Press Machinery

Prevent Equipment Downtime with High-Precision Thrust Ball Bearing 51211 51311

Many industrial operations face unexpected shutdowns due to bearing failures in critical equipment like reducers and jacks. Replacement parts often come with long lead times, while low-quality bearings fail prematurely under heavy loads. Sourcing reliable thrust bearings that balance precision, durability, and availability remains a persistent challenge for maintenance teams.

High-Precision Thrust Ball Bearings for Immediate Use

Our High-Precision Thrust Ball Bearing 51211 and 51311 models address these pain points directly. With stock available for immediate shipment, we eliminate waiting times for urgent replacements. These bearings are engineered to meet ISO9001 standards, ensuring consistent performance in low-speed reducer and jack applications where axial load handling is critical. The separated design allows for easy installation and maintenance, reducing downtime during replacements.

Engineered for Heavy Axial Loads in Low-Speed Applications

These thrust ball bearings excel in scenarios where equipment operates at low speeds but requires reliable handling of high axial loads. Jacks and low-speed reducers in manufacturing and automotive sectors depend on bearings that maintain position and distribute weight evenly without deformation. The 0° contact angle and single-row design optimize load transfer, making them ideal for vertical lifting equipment and gearbox assemblies where precision alignment is essential.

Key Technical Features That Ensure Reliability

The precision rating options (P0-P4) allow customization based on application needs—from general industrial use (P0) to high-precision machinery (P4). Vibration grades Z1V1 to Z3V3 minimize operational noise, a critical factor in close-work environments. Constructed from high-quality bearing steel, these bearings offer superior wear resistance compared to standard alternatives. The separated design simplifies lubrication maintenance, whether using grease or oil, ensuring optimal performance throughout the bearing's service life.

Why Quality Thrust Bearings Reduce Total Costs

Choosing substandard thrust bearings may lower initial costs, but the hidden expenses add up quickly. Early failure can lead to equipment damage, production halts, and emergency repair fees. Our ISO9001-certified Thrust Ball Bearing 51211 and 51311 models are built to withstand heavy loads over extended periods, reducing replacement frequency and associated downtime. The precision manufacturing ensures minimal vibration, which in turn reduces stress on connected components, extending overall equipment life.

Your Trusted Partner for Bearing Solutions

With over 18 years of experience as an integrated bearing manufacturer and exporter, Jinan Saifan Bearing delivers reliable products backed by comprehensive quality control. Our in-house R&D and QC lab ensure each bearing meets strict performance standards before shipment. We offer flexible ordering with 1pc MOQ for standard items, 3–5 days sample lead time, and 5–15 days bulk delivery. All products come with a 12-month global warranty, including free technical guidance and defect replacement. Our certifications (ISO9001 & ISO14001) reflect our commitment to quality and environmental responsibility.

Packaging & Shipping

  • Secure packaging in carton pallets to prevent damage during transit
  • Sample lead time: 3–5 days for evaluation
  • Bulk delivery: 5–15 days after order confirmation
  • Global shipping via trusted carriers; buyer covers freight for samples
  • 1pc MOQ available for standard items, supporting emergency repairs

Get Your Thrust Bearings Shipped Today

Don’t let equipment downtime affect your productivity. Whether you need a single replacement bearing or bulk order, our in-stock High-Precision Thrust Ball Bearing 51211 and 51311 models are ready to ship. Provide your application details, and our technical team can help confirm the right specifications for your needs.

Frequently Asked Questions

Q: Are these bearings original and traceable?

A: Yes, all our bearings are manufactured in-house under ISO9001 standards, with full traceability from raw materials to production batches.

Q: How can I confirm if model 51211/51311 fits my equipment?

A: Share your equipment model or specific load/speed requirements, and our technical team will verify compatibility free of charge.

Q: What is the warranty period for these thrust bearings?

A: We offer a 12-month global warranty covering manufacturing defects, with free replacement or refund available for non-conforming products.

Q: What is the minimum order quantity?

A: Standard items have a 1pc MOQ, making it easy to source single units for emergency repairs.

Q: How quickly can I receive my order?

A: In-stock items ship within 3–5 days for samples and 5–15 days for bulk orders, with tracking provided once shipped.

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.

Quality Assurance
100% Inspection

High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.

Delivery
3-15 Days

Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).

Customization
Full OEM/ODM

P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.

After-Sales
12-Month Warranty

Professional technical guidance and failure solutions from our R&D team.

You May Also Need

Related Bearings

View All Ball Bearing
Deep Groove Ball Bearing 6028-Z 6028-2Z Low Vibration for Industrial Machinery 140x210x33mm

Deep Groove Ball Bearing 6028-Z 6028-2Z Low Vibration for Industrial Machinery 140x210x33mm

¥1.50
Deep Groove Ball Bearing 6813 6913 for Food Machinery Equipment with ISO Certification

Deep Groove Ball Bearing 6813 6913 for Food Machinery Equipment with ISO Certification

¥0.55
Deep Groove Ball Bearing 6705-2RS 25x32x4mm P0-P4 Precision for Industrial Machinery

Deep Groove Ball Bearing 6705-2RS 25x32x4mm P0-P4 Precision for Industrial Machinery

¥1.50
6800 Deep Groove Ball Bearing 10x19x5mm P0-P4 Precision for Industrial Machinery

6800 Deep Groove Ball Bearing 10x19x5mm P0-P4 Precision for Industrial Machinery

¥1.30
Industry Insights

Latest from Our Blog

All Articles
How to Pick Easy-Assembly Split Bearing Housings from China Suppliers?
Jul 07, 2026

How to Pick Easy-Assembly Split Bearing Housings from China Suppliers?

Split Bearings for Sale: How to Pick Easy-Assembly Housing Options from China Bearing Suppliers 85% of common industrial split bearing applications fit stock standardized housing sizes, eliminating the need for custom machining. If you’re sourcing split bearings for urgent equipment replacement, bulk procurement or planned maintenance, you’ve probably spent hours comparing custom machining quotes, waiting […]

Read Article
How to Source Reliable Clutch Release Bearing Wholesale Suppliers in China?
Jul 07, 2026

How to Source Reliable Clutch Release Bearing Wholesale Suppliers in China?

How to Source Reliable Clutch Release Bearings for Automotive Aftermarket Wholesale in China Lower-priced aftermarket clutch release bearings do not always have shorter service lives. Many global aftermarket buyers default to assuming that cost cuts directly correspond to performance tradeoffs, but this common misconception overlooks the core production and quality control standards that actually define […]

Read Article

Need a Custom Solution?

Our R&D team supports full OEM/ODM customization with technical drawings. Contact us for stable factory pricing and reliable supply.

WhatsApp Us Send Inquiry