31311 55×120×31.5mm High‑Axial‑Force Taper Roller Bearing | Boyuan Gearbox Drive Bearingv
31311 high‑angle tapered roller bearing is designed for heavy‑duty positions with large one‑sided axial thrust. Detachable cone‑cup enables flexible pre‑load adjustment and convenient field service. GCr15 bearing steel delivers reliable anti‑fatigue property under combined radial‑axial cyclic loads, suitable for original equipment and spare‑part supply.
表格
| Parameter | Value |
|---|---|
| Bearing Type | Single Row Tapered Roller Bearing |
| Model | 31311 |
| Bore d | 55 mm |
| Outer Diameter D | 120 mm |
| Total Width T | 31.5 mm |
| Inner Ring Width B | 29 mm |
| Outer Ring Width C | 21 mm |
| Approx Weight | 1.68 kg |
Core dimension: 55 × 120 × 31.5 mmKey benefits: ‑ Steep taper angle realizes high unidirectional axial load rating ‑ Separable cone‑cup for easy mounting and component replacement ‑ Precision ground raceway lowers wear and heat build‑up ‑ P0 / P6 precision grades optional ‑ Works with grease and oil lubrication systems ‑ Robust steel cage adapts to fluctuating working loads
Applications: Heavy‑duty gear units, agricultural machinery, construction equipment, industrial transmission shafts. Opposed paired mounting when bidirectional axial force exists.
Boyuan Bearing supplies 31311, support sample trial and container‑level export. Contact sales for stock information and quotation.



