Product Specifications
| Parameter |
Details |
| Model NO. |
22238MB |
| Precision Rating |
P0, P6, P5, P4, P2 |
| Clearance |
C0, C3, C4 |
| Service |
OEM, ODM |
| 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 |
190*340*92 mm |
| HS Code |
8482300000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Presses, Reducers |
| Automotive |
Hub Assemblies, Transmission Systems |
| Agricultural Machinery |
Harvesters, Tractors |
| Construction |
Excavators, Heavy Load Equipment |
| New Energy |
Wind Turbines, Solar Equipment |
Reduce Downtime with Reliable Self-Aligning Roller Bearings for Industrial Machinery
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When a critical machine like a reducer or conveyor stops working, every minute of delay eats into productivity and profits. Sourcing high-quality bearings that meet exact specifications can be a challenge, especially when dealing with multiple suppliers or uncertain lead times.
Self-Aligning Roller Bearings Engineered for Heavy-Duty Performance
Our Self-Aligning Roller Bearings, including models 22238MB, 22240MB, 22244MB, 22248MB, and 22252MB/W33, are designed to solve these challenges. As an integrated manufacturer with over 15 years of experience, we ensure each bearing meets strict quality standards through our in-house R&D and QC lab. Whether you need standard sizes or custom solutions, our OEM/ODM capabilities allow us to match your exact requirements, supporting industrial machinery from machine tools to printing presses.
Optimal Performance in Demanding Industrial Environments
Self-Aligning Roller Bearings excel in applications where shafts may experience misalignment or heavy radial loads. The double-row design and spherical outer ring allow for angular compensation, reducing stress on machinery components. This makes them ideal for use in industrial equipment operating under variable conditions, such as conveyors, crushers, and gearboxes, where reliability and long service life are critical.
Technical Features That Enhance Machinery Reliability
The precision rating of these bearings (P0-P4) ensures consistent performance, with tighter tolerances available for high-precision applications like CNC machines. Clearance options (C0, C3, C4) allow customization based on operating temperature and load conditions—C3 and C4 clearances accommodate thermal expansion in high-temperature environments, while C0 is suitable for standard operations. Constructed from high-grade bearing steel, these bearings deliver excellent wear resistance, supporting heavy loads and extending maintenance intervals.
Why Authentic Bearings Matter for Your Bottom Line
Choosing genuine Self-Aligning Roller Bearings reduces the risk of premature failure compared to counterfeit products. Fake bearings often use substandard materials and lack proper heat treatment, leading to unexpected breakdowns, costly repairs, and production losses. Our bearings are manufactured under ISO9001 and ISO14001 certifications, ensuring each unit meets international quality standards. Investing in authentic bearings lowers total cost of ownership by minimizing downtime and extending machinery life.
Your Trusted Partner for Bearing Supply
With a 12-month global warranty, we stand behind the quality of our Self-Aligning Roller Bearings. Our team provides free technical guidance to help you select the right bearing for your application, and we offer defect replacement or refund for manufacturing issues. We support flexible orders with 1pc MOQ for standard items, 3–5 days sample lead time, and 5–15 days bulk delivery, ensuring you get the bearings you need when you need them. Serving customers across Europe, America, Southeast Asia, and the Middle East, we’ve built a reputation for stable supply and competitive pricing.
Packaging & Shipping
- Carton and pallet packaging for secure transport
- 3–5 days sample lead time for testing and validation
- 5–15 days bulk delivery for standard orders
- Multiple payment options including T/T, credit card, and Alibaba trade assurance
- 1pc MOQ available for emergency repairs and small-batch requirements
Get the Bearings Your Machinery Needs Today
Don’t let bearing issues slow down your production. Whether you need a single replacement bearing or a bulk order for your manufacturing line, we can help. Send us your bearing model, application details, and quantity, and our team will provide a prompt quote. With our fast lead times and reliable quality, you can get your machinery back to full operation quickly.
Frequently Asked Questions
Q: Are these bearings authentic and traceable?
A: Yes, we manufacture bearings in-house under strict quality controls and supply authentic NSK/INA bearings, with full traceability through our ISO-certified processes.
Q: How can I confirm the right bearing model for my equipment?
A: Provide your equipment model or technical specifications (load, speed, misalignment), and our technical team will help verify the correct bearing type and size.
Q: What warranty do you offer on these bearings?
A: We provide 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: We accept 1pc MOQ for standard Self-Aligning Roller Bearings, supporting both emergency repairs and small-batch purchases.
Q: How long does shipping take?
A: Sample lead time is 3–5 days, and bulk delivery takes 5–15 days, with flexible shipping options to meet your timeline.
Q: How do you ensure bearing quality before shipment?
A: All bearings undergo inspection in our QC lab, including dimensional checks and performance testing, to ensure they meet specified standards before delivery.
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