Spherical roller bearing 22226 CC/W33

Description

1. Product Overview

The Spherical Roller Bearing 22226 CC/W33 is a heavy-duty, self-aligning roller bearing engineered for high radial loads and moderate axial loads in harsh industrial environments. It is primarily used in rotating equipment—such as gearboxes, mills, wind turbines, and heavy-duty conveyors—where misalignment and shaft deflection are common. Its key value proposition is superior load-carrying capacity combined with built-in misalignment tolerance and an integrated lubrication groove (W33) for reliable grease distribution. Strategically, this bearing reduces downtime, extends equipment service intervals, and lowers total cost of ownership for mission-critical rotating assets across heavy industry.

2. Key Specifications & Technical Characteristics

• Type: Spherical roller bearing, single-row, two-row rollers (self-aligning)

• Model: 22226 CC/W33

• Bore diameter: 130 mm (standard for 22226 series)

• Outside diameter: 230 mm (standard for 22226 series)

• Width: 68 mm (standard for 22226 series)

• Raceway design: Spherical outer ring raceway; double-row barrel-shaped rollers

• Cage material: Pressed steel (standard), optional brass or machined steel on request

• Rolling elements: Hardened alloy steel rollers (bearing steel grade)

• Ring material: Through-hardened bearing steel (e.g., SAE 52100 / GCr15 or equivalent)

• Heat treatment: Carburized and hardened raceways to specified hardness range for fatigue resistance

• Surface finish: Precision-ground raceways to ISO/ABEC tolerances

• Lubrication provision: W33 lubrication groove and holes in outer ring for forced grease lubrication

• Dynamic load rating: Industry-standard value for 22226 family (refer to manufacturer datasheet for exact kN values)

• Static load rating: Industry-standard value for 22226 family (refer to manufacturer datasheet for exact kN values)

• Running accuracy: Standard industrial grade (P0/P6 options available on request)

• Corrosion protection: Standard phosphate coating; optional zinc or specialized coatings available

• Operating temperature range: Typical -30°C to +120°C (higher temperature variants available)

• Sealing: Open design (standard); sealed shields (2RS/LLU) available on request

• Tolerances: ISO or ABEC tolerance classes as specified by purchaser

• Packaging options: Industrial bulk box, wooden crate, palletized with anti-corrosion wrap, or OEM-specific packaging

• Shelf life: Indefinite in original packaging when stored dry and protected from contaminants; recommended inspection before commissioning after extended storage

3. Core Industrial Applications

• Primary industries: Mining, cement, steel production, power generation (including wind), pulp & paper, marine propulsion, heavy manufacturing, and bulk material handling.

• Operational use cases: Main and pinion bearings in gearboxes, mill and kiln support bearings, crusher and conveyor shaft bearings, wind turbine main shaft and gearbox applications, and large electric motor bearings.

• Why it performs better: The self-aligning geometry tolerates shaft deflection and misalignment without increasing stress concentrations, reducing premature failure compared with cylindrical or deep-groove bearings. The double-row roller design delivers higher radial load capacity and improved life under heavy-impact and shock loading. The W33 lubrication feature facilitates effective grease distribution, extending bearing life in demanding, contaminated, or high-vibration environments.

• Commercial relevance: Longer service intervals reduce maintenance windows; predictable bearing life simplifies asset replacement planning and CAPEX/OPEX forecasting; wide availability of tolerance and sealing options allows customization to specific duty cycles and environmental conditions.

4. Competitive Advantages

• Quality consistency: Manufactured to strict metallurgical and dimensional standards with traceable heat-treatment and inspection records to ensure repeatable performance across batches.

• Supply reliability: Stocked and supported through established industrial distribution channels with capacity for bulk production and scheduled replenishment to support MRO and project-level procurement.

• Logistics capability: Flexible packaging and palletization for safe sea- or land-freight; options for container loading optimization and consolidated shipments to minimize freight cost per unit.

• Price competitiveness: Optimized production scale and standardization deliver attractive unit pricing for bulk purchasers while maintaining technical performance comparable to premium OEMs.

• Sustainability: Long service life reduces replacement frequency and waste; packaging options include recyclable materials; manufacturing partners can provide environmental compliance documentation on request.

• Technical support: Comprehensive product datasheets, installation and lubrication guidelines, troubleshooting support, and service lifetime estimates available to buyers; engineering support for application-specific selection and fitment.

5. Commercial & Supply Information

• Minimum order quantity (MOQ): BULK 20MT

• Loading capacity (MT per container): Typical 20-foot GP container ~20 metric tonnes (subject to packaging and palletization); 40-foot HC container ~24–26 metric tonnes depending on packing density and crate dimensions.

• Lead times: Available from stock for standard quantities; custom tolerance, material, or coating requests may require lead time—please request a formal quotation for precise delivery schedules.

• Export & documentation: Commercial invoice, packing list, certificate of origin, material test reports, and inspection certificates available on request to support customs and quality compliance.