31311 55×120×31.5mm High‑Axial‑Force Taper Roller Bearing | Boyuan Gearbox Drive Bearingv

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

ParameterValue
Bearing TypeSingle Row Tapered Roller Bearing
Model31311
Bore d55 mm
Outer Diameter D120 mm
Total Width T31.5 mm
Inner Ring Width B29 mm
Outer Ring Width C21 mm
Approx Weight1.68 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.


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