30320 Tapered Roller Bearing
30320 is a large‑size single‑row tapered roller bearing from the high‑thrust 303 metric series. Compared with standard 302 series bearings, it adopts a steeper roller contact angle to deliver enhanced one‑way axial thrust performance while retaining solid radial load capability. Its separable cone‑cup assembly allows easy disassembly and preload adjustment during equipment assembly and field overhaul. Manufactured from premium GCr15 bearing steel, this unit performs reliably under continuous heavy‑load and shock‑prone operating environments, widely chosen by heavy‑equipment OEM manufacturers and global spare‑part distributors.
30320 Full Technical Specs
表格
| Parameter | Value |
|---|---|
| Bearing Type | Single Row Tapered Roller Bearing |
| Model | 30320 |
| Bore d | 100 mm |
| Outer Diameter D | 215 mm |
| Total Width T | 51.5 mm |
| Inner Ring Width B | 47 mm |
| Outer Ring Width C | 39 mm |
| Approx Weight | 7.96 kg |
Core dimension: 100 × 215 × 51.5 mm (d × D × T)
Key Product Strengths
Larger taper angle delivers superior single‑direction thrust capacity versus conventional 302‑series tapered roller bearings
Fully separable cone‑cup layout simplifies on‑site disassembly, visual inspection and preload fine‑tuning
Precision‑ground raceway and roller surfaces reduce friction heat generation and slow wear progression
Multiple precision grades P0, P6, P5 optional to satisfy different transmission accuracy requirements
Open‑type construction compatible with high‑viscosity grease lubrication and circulating oil lubrication systems
Heavy‑duty stamped steel cage maintains stable roller arrangement under fluctuating shock‑loaded cycles
Real‑World Application Scenarios
30320 tapered roller bearings are widely deployed on large heavy‑load rotating assemblies: heavy‑duty industrial gear reducers, mining machinery transmission sections, off‑highway heavy‑vehicle axle hubs, oversized agricultural processing equipment, engineering machinery main gearboxes and heavy‑load conveyor main shafts. For applications with bidirectional axial thrust, this bearing is commonly installed in opposed paired configurations.
Supply & Custom Options
Boyuan Bearing manufactures and stocks 30320 tapered roller bearings. We support small sample trial orders, large‑volume export shipments and OEM customisation. Special internal clearance classes and alternative cage solutions can be offered according to your actual working‑condition demands.
Contact Boyuan Bearing for 30320 stock updates, complete technical datasheets and competitive wholesale pricing。
