22220CA/W33 Spherical Roller Bearing, Self-aligning, Heavy Load, Long Service Life Roller Bearings For Mining Machinery
| Model: | 22220CA/W33 | Type: | Spherical Roller Bearing |
| Inner Diameter (d): | 100 Mm | Outer Diameter (D): | 180 Mm |
| Width (B): | 46 Mm | Cage Material: | CA Brass Machined Cage |
| Material: | GCr15 Chrome Bearing Steel |
Product Overview
22220CA/W33 is a heavy‑duty double‑row spherical roller bearing fitted with machined brass CA cage and standard W33 lubrication feature. Capable of sustaining substantial radial loads together with moderate two‑way axial loads, this bearing is widely deployed in various demanding industrial operating environments.
Core Structural & Performance Advantages
- Superior Self‑aligning Capability
Accommodates shaft deflection and installation misalignment up to 1.5 degrees. Effectively prevents bearing seizure and premature failure triggered by assembly deviation or shaft deformation. - Outstanding Heavy‑load Performance
Symmetric double‑row spherical rollers realize even pressure distribution across contact surfaces. The bearing maintains reliable operation under sustained heavy‑duty working cycles. - W33 Lubrication Structure for Extended Service Life
Designed with circumferential outer‑ring oil groove together with three oil injection holes. It facilitates even distribution of grease or lubricating oil, lowering friction loss and component wear. - Robust Machined Brass CA Cage
Solid brass machined cage delivers exceptional structural rigidity. It resists deformation even under combined high‑speed rotation and heavy impact loading. - GCr15 Quenched Bearing Steel for Wear Resistance
Bearing rings and rollers are manufactured from quenched GCr15 chrome steel. High material hardness brings good anti‑corrosion property and strong fatigue resistance.
Typical Application Scenarios
- Mining Equipment: Jaw crushers, cone crushers, ball mills, vibrating screens
- Conveying Systems: Belt conveyor idlers, large‑size transmission rollers
- Metallurgical Machinery: Rolling mill auxiliary rollers, sintering machines
- Construction Machinery: Mixers, stone crushers, excavator spare‑part assemblies
- Paper & Textile Industry: Large drying rollers, heavy‑load shafts for textile looms
- Cement Production: Rotary kilns, vertical mills, bucket elevators
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