Spherical Roller Bearings feature two rows of symmetrical barrel-shaped rollers, a spherical outer raceway, and two inclined inner raceways. Their self-aligning design effectively compensates for shaft deflection and mounting misalignment, ensuring stable and reliable operation.
These bearings are designed to accommodate heavy radial loads and axial loads in both directions, offering high load capacity, shock resistance, and excellent performance in demanding operating conditions.
BY Bearings supplies a full range of spherical roller bearings, including the 213, 222, 223, 230, 231, 232, 233, 240, and 241 series, with CC, E-type, and CA/MB cage designs available to meet various application requirements.
Widely used in mining, vibrating screens, rolling mills, cement plants, conveyors, construction machinery, and wind energy equipment, BY Bearings provides durable and reliable solutions through precision manufacturing and strict quality control.
The 213 series double row spherical roller bearings feature a medium-width internal structure with compact overall dimensional specifications. With a moderate cross-section design, this range perfectly balances load-carrying capacity and installation space, positioning it as a universal intermediate specification between lightweight narrow series and heavy extra-wide series. Its reliable self-aligning performance effectively compensates for minor shaft misalignment and deflection, maintaining st
The 222 series spherical roller bearings are the most versatile and widely adopted general-purpose range, featuring a standard narrow-width cross-section and symmetrical barrel roller layout. This standard structural design delivers a balanced combination of structural rigidity, smooth rotational performance and cost-effectiveness, covering conventional standard load ratings for universal medium-duty operating conditions. Excellent inherent self-aligning capability effectively compensates for as
The 223 series spherical roller bearings adopt an extra-wide cross-section design with extended roller length, delivering substantially higher radial load capacity and enhanced impact resistance compared to the standard 222 series. The optimized internal roller arrangement evenly disperses contact stress, enabling stable and reliable operation under heavy fluctuating loads and frequent shock conditions.Available with a full range of standard cage configurations, including CC stamped steel, E opt
The 230 series spherical roller bearings are classified as ultra-light thin-section bearings, featuring a slim wall structure, large bore diameter and relatively compact outer diameter. This streamlined design minimizes radial installation space occupation, making it the ideal solution for machinery with strict dimensional assembly restrictions. The bearings maintain excellent self-aligning performance and stable heavy radial load capacity, with limited axial load bearing capability for standard
The 231 series spherical roller bearings feature a medium-wide thin-wall structure, inheriting the slim outer ring design of the 230 series while adopting an extended roller layout for upgraded load-carrying performance. This design achieves an optimal balance of compact radial installation dimensions and enhanced bearing capacity, reliably sustaining heavy radial loads and permissible axial loads in comprehensive operating conditions.Fully configurable with CC stamped steel, E optimized interna
The 232 series spherical roller bearings feature a medium-wide thick cross-section design, equipped with larger roller profiles compared to the 231 series for improved overall load capacity and shock resistance. Built with reliable self-aligning performance, the bearings deliver robust radial load support alongside moderate axial load tolerance, making them suitable for working conditions combining steady heavy static loads and periodic impact forces.A full spectrum of cage options including CC
The 233 series spherical roller bearings adopt an extra-wide internal roller arrangement, featuring the broadest roller profile among standard medium-bore spherical roller bearing series. The expanded roller contact surface greatly boosts both dynamic and static load ratings, granting outstanding shock resistance for low and medium rotational speed working conditions.We supply a complete selection of cage types including CC stamped steel, E optimized internal geometry, and solid brass CA & MB ca
The 240 series spherical roller bearings are constructed with thin outer ring walls paired with extra-wide barrel roller assemblies, balancing compact radial installation space and significantly elevated load-carrying capacity. Compared with the 230 thin-section range, the extended roller profile delivers enhanced radial load resistance while retaining slim overall radial dimensions.Built-in self-aligning functionality readily compensates for mounting misalignment and shaft deflection to prevent
The 241 series spherical roller bearings adopt ultra-wide barrel roller layout under fixed standard outer and inner diameters, delivering superior radial load capacity among thin-section spherical roller bearing lines for continuous heavy-duty working scenarios. Optimized internal roller geometry maximizes roller contact area, evenly disperses contact stress and maintains steady rotation under combined radial and bidirectional axial loads.Built with natural self-aligning performance, this bearin
The 202 and 203 series single row spherical roller bearings are engineered for compact light-duty rotary equipment that demands stable load bearing and basic self-aligning capacity. Differentiated from double-row spherical roller bearing ranges, this line adopts a single row of symmetrical barrel rollers matched with a spherical outer ring raceway, which effectively offsets slight shaft deflection and assembly misalignment without sacrificing rotational stability.Supplied with two standard cage
Our large bore spherical roller bearings feature bore diameters from 500 mm and above, covering the 239, 230, 231, 232, and 241 series. Designed for extreme operating conditions, these bearings combine high load-carrying capacity, reliable self-alignment, and long service life in heavy industrial machinery.Available with CA, MB, or CAF machined brass cages, the bearings utilize optimized roller geometry and strengthened internal construction to withstand heavy radial loads, shock loads, and cont
Welcome to our definitive guide on spherical roller bearings. For professionals working in the metallurgy and mining sectors, premium-grade bearings are indispensable to guarantee stable, high-efficiency industrial operation. Customized for purchasing managers, technical engineers, production supervisors and enterprise decision-makers alike, this guide addresses your core procurement, technical and operational concerns comprehensively.
What Are Spherical Roller Bearings?
Spherical roller bearings are precision rolling bearings engineered to bear heavy radial loads and compensate for shaft misalignment. Structurally equipped with two rows of symmetric spherical rollers and a sphered inner raceway matched with a concave outer ring raceway, this optimized structure enables the bearings to withstand combined radial and bidirectional axial loads. Meanwhile, they can automatically compensate for static and dynamic shaft misalignment as well as shaft deflection during equipment operation.
Core Technical Features
- Superior Self-Aligning Performance: The matched spherical raceway and roller profile allows automatic angular alignment, effectively offsetting installation errors, foundation deformation and shaft deflection to avoid abnormal bearing stress.
- Ultra-High Combined Load Capacity: Optimized roller geometry and load distribution design enable the bearings to carry heavy radial loads and moderate bidirectional axial loads, perfectly matching heavy-duty operating scenarios.
- Excellent Structural Rigidity & Environmental Adaptability: Manufactured with high-purity bearing steel and heat-treated for enhanced toughness, the bearings resist abrasion, high temperature, impact load and dust corrosion in harsh working environments.
Why Partner with BY Bearing for Spherical Roller Bearing Procurement?
- Customized Application-Oriented Solutions: BY Bearing provides bespoke bearing design, size modification and material upgrading services tailored to diverse working temperature, load, speed and environmental conditions. Our technical team cooperates closely with clients to deliver bearings that fit on-site equipment parameters perfectly.
- 16 Years Specialized Manufacturing Experience: With long-term industrial manufacturing expertise, we have established stable cooperative relations with large-scale metallurgical, mining and machinery groups, with full insight into sector-specific equipment load and operating demands.
- Patented Technology & Authorized Quality Certification: We own over 50 national invention patents for bearing structure optimization and anti-wear processing. Our factory has passed ISO9001 Quality Management System Certification and ISO14001 Environmental Management System Certification, delivering standardized, high-reliability bearing products.
Operational Benefits of Spherical Roller Bearings
- Reliable Combined Load Bearing: Stable bearing performance boosts overall operating stability and transmission efficiency of large rotating industrial machinery.
- Minimized Unplanned Downtime: Built-in self-aligning function eliminates equipment failure and shutdown caused by shaft misalignment, reducing on-site troubleshooting frequency.
- Extended Service Lifespan: Wear-resistant structural design cuts down replacement frequency, lowers spare parts procurement cost and daily equipment maintenance workload.
Main Industry Applications
Spherical roller bearings are the core transmission components for heavy rotating machinery across heavy industrial fields:
- Metallurgical Industry: Matching core rotating equipment including blast furnace auxiliary devices, hot rolling mills, cold rolling mills and continuous casting machines.
- Mining Machinery: Ideal for heavy mining processing equipment such as jaw crushers, impact crushers, circular vibrating screens and mine feeding machines, adapting to frequent impact and dusty working conditions.
Standard Installation Guidelines
Standardized installation is a prerequisite for maximizing bearing performance and service life. Please follow the steps below:
1. Pre-Installation Preparation: Thoroughly clean mating shafts and bearing housings to remove iron scraps, dust and residual lubricant.
2. Pre-Alignment Calibration: Calibrate the concentricity of shafts and housings to reduce initial installation misalignment.
3. Standard Press-Fit Operation: Adopt professional pressing tools to mount bearings evenly, ensuring interference fit meets technical standards without forced knocking.
4. Quantitative Lubrication: Fill with factory-recommended grease or oil lubricant at a standard filling volume to reduce running friction and surface abrasion.
Daily Maintenance & Upkeep Rules
Scientific daily maintenance effectively prolongs bearing service life and guarantees continuous equipment operation:
- Conduct periodic visual and instrument inspection to check surface abrasion, raceway damage and running misalignment.
- Replenish or replace lubricant regularly per operating speed and ambient temperature, adopting designated lubricant types only.
- Keep bearing installation cavities and peripheral working areas sealed and clean to prevent particulate contamination and corrosive medium intrusion.
Frequently Asked Questions
Q: Why are spherical roller bearings applicable for harsh industrial working conditions?
A: Featuring high-strength integrated structure, impact-resistant roller design and built-in self-aligning capability, the bearings withstand heavy impact loads, shaft offset, high temperature and dusty corrosive environments typical of mining and metallurgical sites.
Q: What determines the replacement cycle of spherical roller bearings?
A: The replacement cycle varies based on actual load magnitude, operating temperature, running speed and daily maintenance quality. Regular professional inspection is the most reliable way to judge replacement timing.
Q: Does BY Bearing provide customized spherical roller bearing services?
A: Yes. We offer full customized services covering special size dimension, high-temperature resistant material, sealed structure and surface treatment to adapt to unique on-site operating requirements.
Contact Us
Feel free to contact our professional technical and sales team for product parameters, quotation support and customized solution consultation.
We dedicate ourselves to matching the most suitable spherical roller bearings for your industrial equipment!