31309 45×100×27.25mm Heavy Thrust Taper Roller Bearing | Boyuan Gear Unit Bearing
31309 high‑angle tapered roller bearing features remarkable axial load capacity for heavy‑duty transmission points. Separable cone‑cup allows convenient pre‑load adjustment and component replacement. GCr15 bearing steel offers good anti‑fatigue performance under mixed radial‑axial cyclic loads for OEM and spare‑part market.
表格
| Parameter | Value |
|---|---|
| Bearing Type | Single Row Tapered Roller Bearing |
| Model | 31309 |
| Bore d | 45 mm |
| Outer Diameter D | 100 mm |
| Total Width T | 27.25 mm |
| Inner Ring Width B | 25 mm |
| Outer Ring Width C | 18 mm |
| Approx Weight | 1.01 kg |
Core dimension: 45 × 100 × 27.25 mmKey benefits: ‑ Steep angle for high unidirectional axial carrying capacity ‑ Detachable cone‑cup easy for assembly and field repair ‑ Precision ground raceway extend operating life ‑ P0 / P6 precision grades selectable ‑ Adaptable to grease and oil lubrication ‑ Stamped steel cage stable under impact loads
Applications: Heavy‑duty gearboxes, agricultural machinery, construction machinery, general industrial drives. Opposed mounting required for bidirectional axial force.
Boyuan Bearing supplies 31309, sample and bulk export available. Custom internal clearance per working conditions. Contact sales for stock check and quotation.



