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Home > Industrial Equipment & Components > Bearing > Spherical Roller Bearing > Heavy Load Roller Bearing Spherical Roller Bearing With C3 Clearance for Conveyor Gearbox

Heavy Load Roller Bearing Spherical Roller Bearing With C3 Clearance for Conveyor Gearbox

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Product Spotlights

Engineered for extreme durability in conveyor systems, this spherical roller bearing features a C3 internal clearance to prevent binding from thermal expansion. Its symmetrical rollers handle heavy radial and moderate axial loads while compensating for shaft misalignment. Available with various cage and sealing options, it offers extended service life, reduced maintenance, and reliable performance in demanding industrial environments.

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

Key Specifications

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Bearing Type:

Spherical Roller Bearing

Clearance Grade:

Load Capacity:

Heavy Load / High Load Capacity

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Henan San Kuang Machinery Technology Co., Ltd.

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Bearing Type Spherical Roller Bearing

Clearance Grade C3

Load Capacity Heavy Load / High Load Capacity

Application Conveyor Systems, Gearboxes

Material High-Carbon Chromium Steel

Sealing Type Optional (Open, Metal Shield, Rubber Seal)

Cage Type Machined Brass or Steel

Lubrication Grease or Oil Lubrication Available

Standard ISO 15:1998 (DIN 635-2)

Operating Temperature Standard Range: -30°C to +120°C

As a leading manufacturer with over a decade of experience in precision bearing solutions, Henan San Kuang Machinery Technology Co., Ltd. proudly presents our Heavy Load Roller Bearing, specifically engineered as a Spherical Roller Bearing with C3 clearance for demanding applications like conveyor gearboxes. Operating from our expansive 10,000-30,000 square meter facility in Luoyang, we combine advanced manufacturing with stringent quality control to deliver components that enhance the reliability and longevity of industrial machinery worldwide. This bearing is designed to handle the rigorous, high-load, and often misaligned conditions found in material handling systems, offering a robust solution that minimizes downtime and maintenance costs.

Core Product Features & Technical Advantages:

Superior Misalignment Compensation: The spherical design of the outer ring raceway allows the bearing to accommodate significant static and dynamic misalignment (typically up to 2-3 degrees), which is common in long conveyor shafts and gearbox installations, preventing premature failure.
Optimized C3 Internal Clearance: The C3 clearance rating indicates a larger-than-standard radial internal clearance. This is critical for applications where operational heat generation causes shaft expansion, ensuring the bearing maintains optimal performance without binding or excessive preload.
Heavy Load Capacity: Featuring a symmetrical barrel-shaped roller design and a robust internal structure, this bearing is engineered to support exceptionally high radial loads and moderate axial loads in both directions, making it ideal for the pinion and tail shafts of conveyor systems.
Enhanced Durability: Manufactured from high-carbon chromium bearing steel, the rings and rollers undergo precise heat treatment to achieve a hardened microstructure, providing exceptional resistance to wear, fatigue, and shock loads.
Versatile Configuration Options: Available with different cage materials (machined brass for high speeds or steel for high loads) and sealing solutions (open, non-contact metal shields, or contact rubber seals) to suit specific environmental and lubrication conditions.
Precision Engineering: Produced in compliance with international dimensional standards (ISO 15:1998), ensuring perfect interchangeability and fit with standard housings and shafts, simplifying installation and inventory management for our global clients.

Detailed Technical Specifications:

Parameter	Description / Typical Value
Primary Type	Spherical Roller Bearing, Double Row
Internal Clearance	C3 (Greater than Normal Group)
Load Direction	Primarily Radial Load, Bidirectional Axial Load Capacity
Cage Material Options	Machined Brass (Standard), Pressed Steel, Polyamide (upon request)
Sealing Options	Open, Metal Shields (SN, SNN type), Rubber Contact Seals (available)
Lubrication	Pre-lubricated with high-temperature grease; Oil lubrication compatible
Standard Tolerance	Normal (P0) per ISO; Higher precision classes (P6, P5) customizable
Operating Temp Range	Standard: -30°C to +120°C; Special grades for higher temps available

Benefits for Your Conveyor & Gearbox Applications:

Extended Service Life: The combination of high-grade materials, optimal clearance, and precise geometry directly translates to reduced wear rates, leading to longer intervals between replacements and lower total cost of ownership.
Reduced Maintenance Frequency: The bearing's ability to tolerate misalignment and its reliable sealing options (when selected) help contain lubricant and exclude contaminants, which are primary causes of bearing failure in dusty or wet conveyor environments.
Improved System Reliability: By providing stable, consistent rotation under high loads, this bearing helps prevent unplanned stoppages in critical material handling processes, supporting higher overall equipment effectiveness (OEE).
Design Flexibility: The availability of various configurations allows engineers to select the exact bearing variant needed for their specific speed, load, and environmental conditions, optimizing performance without over-engineering.
Global Supply Confidence: With our products successfully exported to markets across North America, Europe, Asia, and beyond, you can rely on a consistent supply of quality components backed by our established logistics network from major Chinese ports like Shanghai and Qingdao.

Trust in a partner committed to quality and reliability. Our operations are underpinned by a robust ISO 9001 quality management system, ensuring every bearing undergoes rigorous inspection. With an annual export value reaching up to US$5 Million and a dedicated team of 51-100 professionals, Henan San Kuang has the scale and expertise to be your dependable source for critical mechanical components. This Heavy Load Spherical Roller Bearing with C3 clearance represents more than just a part; it's a commitment to keeping your conveyor systems running smoothly and efficiently. Contact us today to discuss your specific requirements, request samples, or place an order for a bearing solution engineered for endurance.

Frequently Asked Questions (FAQ):

Q: Why is C3 clearance specifically recommended for conveyor gearbox applications?
A: Conveyor gearboxes often experience significant heat buildup during continuous operation, causing thermal expansion of the shaft. The larger internal clearance of a C3-rated bearing accommodates this expansion, preventing excessive preload that can lead to overheating, increased friction, and premature bearing failure.
Q: Can this spherical roller bearing handle axial (thrust) loads?
A: Yes. While primarily designed for high radial loads, the symmetrical roller design of spherical roller bearings allows them to support moderate axial loads in both directions. However, for applications with very high predominant axial loads, a different bearing type might be more suitable.
Q: What are the differences between the available cage materials (brass vs. steel)?
A: Machined brass cages offer superior guidance for rollers, lower friction, and are better suited for higher-speed applications or where lubrication is marginal. Pressed steel cages provide high strength and are typically used for very heavy load applications and can withstand higher temperatures.
Q: How do I choose the right sealing option for my dusty conveyor environment?
A: For extremely dusty or wet conditions, we recommend specifying rubber contact seals (if available for the size) as they provide the best barrier. Metal shields (non-contact) offer good protection against larger particles with lower friction and are suitable for moderately dirty environments. Open bearings require effective external sealing from the housing.
Q: Are these bearings pre-lubricated, and what type of grease is used?
A: Yes, our standard bearings are pre-lubricated with a high-quality, lithium-based grease suitable for a wide temperature range. For specific operating conditions (extreme temperatures, food-grade requirements), alternative greases or oil lubrication systems can be discussed and arranged.
Q: What is the lead time for standard sizes, and do you offer custom markings or packaging?
A: Lead times vary based on the specific size and quantity. For common standard sizes, we often maintain stock or can produce within a few weeks. Custom laser markings, specific packaging (individual boxes, bulk packs), and vacuum sealing are all available services upon request.
Q: Do you provide technical support for bearing selection and installation?
A: Absolutely. Our technical team can assist with selection based on your load, speed, and environmental data. We can also provide general installation and maintenance guidelines to ensure optimal bearing performance and life.
Q: What quality certifications do your manufacturing processes hold?
A: Our production is certified under the ISO 9001 quality management system. This ensures consistent processes, material traceability, and final product inspection, giving you confidence in the reliability and performance of every bearing we ship.