32221-A Single Row Tapered Roller Bearing 105x190x53mm Heavy Load For Truck Wheel Hub Agricultural Construction Machinery
32221-A is a metric single-row tapered roller bearing with upgraded A-type internal geometry, overall dimension 105×190×53mm. Designed with moderate contact angle and separable inner & outer rings, it reliably bears combined radial and unidirectional axial loads. Manufactured from premium GCr15 bearing steel, it features high rigidity, excellent wear resistance and smooth running performance, widely applied in heavy vehicles, agricultural equipment and construction machinery under medium & heavy load working conditions.
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| Item | Specifiion |
|---|---|
| Model | 32221-A |
| Bearing Type | Metric Single Row Tapered Roller Bearing |
| Inner Diameter d | 105 mm |
| Outer Diameter D | 190 mm |
| Total Assembly Width T | 53 mm |
| Inner Ring Width B | 50 mm |
| Outer Ring Width C | 43 mm |
| Dynamic Load Rating Cr | 385 kN |
| Static Load Rating C0r | 555 kN |
| Net Weight | 6.07 kg |
| Grease Limiting Speed | 1800 r/min |
| Oil Limiting Speed | 2600 r/min |
| Suffix A Meaning | Optimized internal structure, higher rigidity & load capacity than standard 32221 |
| Material | GCr15 Chrome Bearing Steel |
| Structure | Separable cone & cup |
| Seal Style | Open Type |
| Precision Class | P0 Standard |
| Temperature Range | -40℃ ~ 120℃ |
| Standard | ISO 355 / DIN 720 |
- A optimized internal design improves overall rigidity and load capacity compared with standard 30318
- Large contact angle design withstands heavy radial + unidirectional axial composite loads
- Separable cone and cup, convenient for installation, disassembly and clearance adjustment
- High purity chrome steel body, low friction, excellent wear resistance and long service life
- Stable running performance, adaptable to heavy-load, dusty and severe working environments
- Widely used in heavy-duty truck axles
- wheel hubs
- gearboxes
- construction machinery
- agricultural equipment and mining machinery transmission systems.
*Check matched bearing models to complete your mechanical assembly.
- 30 years professional bearing industry experience
- ISO certified strict quality inspection
- Flexible OEM & private label customization
- 3-5 days fast delivery for stocked bearings
- Full bearing series, universal interchangeable size
- Factory direct price & reliable after-sales service
*Contact us anytime for technical parameter consultation & selection guidance.
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