-- SKF Authorized Engineering Partner
Ensure smooth, precise lathe operations with this high-performance Lathe Spindle Bearing designed to minimize vibration and extend equipment life. Crafted from durable Bearing Steel, it delivers reliable radial load support (2480 dynamic load capacity) and self-lubricating convenience, reducing maintenance downtime for busy workshops.
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| Parameter | Details |
|---|---|
| Model Number | POS4 |
| Material | Bearing Steel |
| Load Direction | Radial Spherical Plain Bearing |
| Lubrication Type | Self-lubricating |
| Outer Structure | Whole Outer Ring |
| Bore Diameter (d) | 4mm |
| Outside Diameter (D) | 37mm |
| Width (B) | 7mm |
| Thread Size | M4*0.7 |
| Dynamic Load Capacity | 2480 |
| Static Load Capacity | 2060 |
| Weight | 0.008kg |
| Transport Package | Box |
| Specification | 4*37*7mm |
| HS Code | 8482800000 |
| Industry | Typical Applications |
|---|---|
| Engineering | Hydraulic Cylinder, Forging Machine |
| Construction | Construction Machinery |
| Automation | Automation Equipment |
| Automotive | Automobile Shock Absorber |
| Water Conservancy | Water Conservancy Machinery |
Many buyers face frustration when bearings fail prematurely due to material inconsistencies or incorrect lubrication systems. Sourcing specific models across multiple brands often means juggling suppliers and extended lead times. When equipment downtime hits because a critical bearing isn’t available, the costs add up quickly.
The POS4 Lathe Spindle Cylindrical Roller Bearing addresses these challenges with its self-lubricating feature, eliminating the need for frequent grease applications in hard-to-reach locations. Our ISO 9001 certified production processes ensure each unit meets strict dimensional and hardness standards, while our extensive inventory network means we can fulfill orders with minimal delay. This bearing excels in engineering hydraulic cylinders and automation equipment where reliable radial load handling is essential.
Designed for radial load applications, this bearing operates efficiently in machinery subjected to continuous motion such as forging machines and construction equipment. Its whole outer ring structure provides enhanced stability under dynamic loads, while the 4mm inner diameter and 37mm outer diameter balance compact design with load-bearing capacity. The M4*0.7 thread size ensures secure installation in precision mechanical assemblies.
The bearing steel construction delivers the hardness required to resist wear in high-stress applications, with surface treatments that minimize friction and extend service life. At just 0.008kg, its lightweight design reduces inertial forces in moving components without compromising strength. The 2480 dynamic load capacity and 2060 static load capacity provide a robust performance margin for typical industrial operating conditions. The self-lubricating system maintains consistent performance even in environments where regular maintenance access is limited.
Choosing a quality bearing like the POS4 reduces long-term costs by minimizing replacement frequency and downtime. Inferior bearings often fail prematurely due to substandard materials, leading to unexpected production halts and potential damage to adjacent components. By investing in a precision-manufactured bearing that meets international standards, you avoid the hidden expenses of frequent replacements and unplanned maintenance. Our competitive pricing combined with reliable performance delivers exceptional value over the product lifecycle.
Our production and inspection processes adhere to ISO 9001 standards, with rigorous testing of raw materials and finished products for dimensional accuracy, hardness, and surface treatment. Each bearing undergoes comprehensive quality checks before shipment. We stand behind our products with a warranty against manufacturing defects, ensuring you receive reliable components that perform as expected. With access to a wide range of brands and models, we can source or supply bearings according to your specific requirements, including hard-to-find specifications.
Whether you need a single POS4 bearing or a bulk order, we can provide competitive pricing and quick delivery. Simply share your required quantity and delivery location, and our team will prepare a detailed quote. With our extensive inventory and global sourcing network, we can also assist with finding alternative models or brands if needed.
Q: Do you supply bearings from other brands besides the POS4 model?
A: Yes, we support inquiries for all bearing brands and models, and can supply according to your specified brand or technical requirements.
Q: How can I confirm if the POS4 bearing will fit my equipment?
A: Provide your equipment’s bearing dimensions (inner diameter, outer diameter, width) or existing model number, and our technical team will verify compatibility with the POS4 specifications.
Q: What warranty do you offer on the POS4 bearing?
A: We provide a warranty against manufacturing defects. Specific warranty terms are detailed in our sales contracts and cover replacement of defective products.
Q: What is the minimum order quantity for the POS4 bearing?
A: We accept low minimum order quantities, including single-unit purchases, to support both small-scale repairs and large production needs.
Q: How quickly can you ship the POS4 bearing after ordering?
A: The POS4 bearing is typically in stock and can be shipped within 1-2 business days. Shipping time depends on the selected delivery method and destination.
Q: Do you offer custom bearing solutions (OEM/ODM)?
A: Yes, we support custom bearing manufacturing according to provided drawings or technical specifications for specialized applications.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
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Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.
Performance Metrics
35%
Failures Prevented
70%
Downtime Reduction
25+
Years Experience
24h
Quote Response
78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.
Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.
Free samples available for orders over $50K
Validated against your KPIs before full production commitment.
-- Get In Touch
Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.
Address
No. 377 Bansongyuan Road, Huangpu District, Shanghai, China
Free Sample Program
Orders over $50K qualify for free product samples
Test against your KPIs before full production commitment. Ask our engineers for details.
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