Roller Bearing

Self-Aligning Roller Bearing 22320MB 22321MB 22322MB 22324MB/W33 for Industrial Machinery

SKU: 720036dc14dc In Stock

Ensure smooth, high-precision rotation for your industrial machinery with our Self-Aligning Roller Bearing series. Engineered to handle heavy radial loads while compensating for shaft misalignment, these double row bearings (22320MB, 22321MB, 22322MB, 22324MB/W33) deliver reliable performance in demanding conditions like machine tools and textile equipment.

  • Precision grades from P0 to P4 and clearance options (C0/C3/C4) let you fine-tune for specific operational needs, reducing unexpected downtime
  • Constructed with high-grade bearing steel for extended service life, even under continuous heavy load
  • Unseparated design ensures easy installation and maintenance, backed by our 12-month warranty for peace of mind
Wholesale Price (FOB)
¥1.05
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. 22320MB
Precision Rating P0, P6, P5, P4, P2
Clearance C0, C3, C4
Rolling Body Roller Bearings
The Number of Rows Double
Material Bearing Steel
Spherical Aligning Bearings
Load Direction Radial Bearing
Separated Unseparated
Outer Dimension 50-2500 mm
Specification 100*215*73 mm
HS Code 8482300000

Application Industries

Industry Typical Equipment
Industrial Machinery Machine Tools, Reducers, Conveyors
Heavy Manufacturing Crushers, Presses, Rolling Mills
Agricultural Machinery Tractors, Harvesters, Tillage Equipment
Construction Excavators, Loaders, Concrete Mixers

Minimize Downtime with Reliable Self-Aligning Roller Bearings for Industrial Machinery

Equipment failures due to bearing issues cost manufacturers thousands in lost productivity each year. Misalignment, heavy loads, and poor quality components often lead to premature wear, forcing unplanned shutdowns. Sourcing bearings that balance durability, precision, and availability can be a challenge—especially when dealing with multiple suppliers or uncertain lead times.

Self-Aligning Roller Bearings Engineered for Industrial Durability

Our Self-Aligning Roller Bearings, including models 22320MB, 22321MB, 22322MB, and 22324MB/W33, are designed to address these challenges. As a professional bearing manufacturer with over 15 years of experience, we produce double row radial roller bearings that accommodate shaft misalignment, reduce vibration, and handle high radial loads. These bearings are ideal for industrial machinery such as reducers, conveyor systems, and heavy-duty equipment where reliability under stress is critical.

Optimized Performance in Demanding Industrial Environments

Self-aligning roller bearings excel in applications with dynamic operating conditions. Whether your machinery operates at varying speeds, experiences heavy shock loads, or requires tolerance for shaft deflection, these bearings deliver consistent performance. The double row design distributes load evenly, while the spherical outer ring allows for angular misalignment up to 2-3 degrees—minimizing stress on adjacent components and extending service life in agricultural, construction, and manufacturing settings.

Technical Features That Ensure Long-Term Reliability

The performance of our Self-Aligning Roller Bearings is defined by critical technical attributes. Precision ratings from P0 to P4 ensure dimensional accuracy, with tighter tolerances (P4/P2) available for high-precision machinery like CNC spindles. Clearance options (C0, C3, C4) allow customization for thermal expansion needs—C3/C4 clearances are recommended for applications with elevated temperatures or heavy loads. Constructed from high-grade bearing steel, these bearings maintain structural integrity under extreme pressure, while the unseparated design simplifies installation and reduces maintenance complexity.

Why Genuine Bearings Reduce Total Cost of Ownership

Choosing authentic Self-Aligning Roller Bearings over counterfeit alternatives directly impacts your bottom line. Inferior bearings often fail within months, leading to repeated replacements, production downtime, and potential damage to expensive equipment. Our bearings meet ISO international standards and undergo rigorous testing, including dimensional inspection and performance validation, ensuring consistent quality. The long service life of genuine bearings lowers replacement frequency, while reliable performance reduces unplanned maintenance costs—ultimately delivering a lower total cost of ownership compared to cheaper, uncertified options.

Our Commitment to Quality and Service

With ISO 9001:2015 and ISO 14001 certifications, we adhere to strict quality management practices from raw material inspection to final production. Our technical R&D team and experienced QC staff ensure each bearing meets performance specifications, while our flexible order policies support your needs—1 piece MOQ for standard bearings, 3-5 day delivery for samples, and 5-15 day lead times for bulk orders. We provide free technical guidance on selection, installation, and maintenance, plus a 12-month warranty covering manufacturing defects. For distributors and wholesalers, free samples are available (freight borne by customer) to verify quality before placing large orders.

Packaging & Shipping

  • Carton and pallet packaging for secure transportation
  • 3-5 working days for sample orders, 5-15 working days for bulk orders
  • Multiple logistics options including express, air, and sea freight
  • Real-time tracking information provided for all shipments
  • 1 piece MOQ for standard bearings, customizable order quantities negotiable

Get Your Self-Aligning Roller Bearings Today

Don’t let bearing failures disrupt your operations. Contact us with your required model (22320MB, 22321MB, 22322MB, 22324MB/W33), application details, and quantity to receive a quote within 24 hours. With our ready stock and efficient delivery, you can minimize downtime and keep your machinery running smoothly.

Frequently Asked Questions

Q: Are these bearings genuine and traceable?

A: Yes, we are a professional manufacturer with strict quality control processes. All products are traceable through our production records and meet ISO standards.

Q: How do I confirm the right bearing model for my equipment?

A: Our technical team can assist with选型 based on your equipment specifications, load requirements, and operating conditions. Provide your machinery model or drawing for personalized support.

Q: What is your warranty policy?

A: We offer a 12-month warranty from the date of delivery, covering manufacturing defects. Qualified defective products can be replaced or refunded.

Q: What is the minimum order quantity?

A: Standard bearings have a 1 piece MOQ. Sample orders have no MOQ, and customized order quantities are negotiable.

Q: How long does shipping take?

A: Sample orders ship in 3-5 working days, bulk orders in 5-15 working days. Logistics time depends on your location and chosen shipping method.

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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