30330 Tapered Roller Bearing
30330 is a heavy‑duty large‑bore single‑row tapered roller bearing from metric 303 high‑thrust series. Distinctive for its steep taper angle, this model greatly enhances unidirectional axial thrust performance while maintaining excellent radial load‑bearing capability. The separable cone‑cup assembly can be fully taken apart, making preload fine‑tuning, component replacement and field overhaul much simpler. Manufactured from high‑strength GCr15 bearing steel, it runs reliably under long‑term heavy‑load and shock‑impact operating environments, widely selected by heavy‑equipment manufacturers and global spare‑part distributors.
30330 Full Technical Specs
表格
| Parameter | Value |
|---|---|
| Bearing Type | Single Row Tapered Roller Bearing |
| Model | 30330 |
| Bore d | 150 mm |
| Outer Diameter D | 320 mm |
| Total Width T | 72 mm |
| Inner Ring Width B | 65 mm |
| Outer Ring Width C | 55 mm |
| Approx Weight | 24.2 kg |
Core dimension: 150 × 320 × 72 mm (d × D × T)
Key Product Strengths
Increased taper angle brings remarkable one‑direction axial thrust capacity, outperforming standard 302‑series tapered roller bearings
Fully detachable cone‑cup layout supports quick disassembly, on‑site visual inspection and precise preload adjustment
Precision‑ground roller and raceway surfaces reduce frictional heat build‑up and slow down component wear
Multiple precision grades P0, P6, P5 are optional for different transmission‑accuracy application scenarios
Open‑type structure adapts to high‑viscosity grease lubrication and forced circulating oil lubrication systems
Reinforced stamped steel cage keeps rollers stably positioned under heavy fluctuating load cycles
Real‑World Application Scenarios
30330 tapered roller bearings are widely applied on oversized heavy‑load rotary assemblies: mining plant main transmission housings, large‑capacity industrial gear reducers, heavy‑duty off‑highway vehicle axle hubs, large‑sized agricultural processing equipment, engineering machinery main gearboxes and heavy‑load conveyor drum groups. For working conditions with bidirectional axial thrust, this bearing is normally installed in opposed paired configurations.
Supply & Custom Options
Boyuan Bearing manufactures and holds stock for 30330 tapered roller bearings. Small sample trial orders, large‑volume export shipments and OEM custom projects are all acceptable. Special internal clearance and alternative cage configurations can be supplied according to your actual working‑condition requirements.
Contact Boyuan Bearing for 30330 stock updates, full technical datasheets and competitive wholesale pricing.
