32311 Taper Roller Bearing Built for Mixed‑Load Harsh Environments
Operating conditions featuring constant vibration, impact shocks and overlapping radial‑axial combined forces push standard medium‑angle bearings past their limits. 32311, part of metric 323 high‑thrust series, is purpose‑engineered to resist these harsh working stresses. Its steep taper geometry raises axial‑force tolerance significantly while retaining solid radial‑load performance. Inner cone assembly and outer cup are completely detachable; maintenance personnel can perform pre‑load calibration without pulling down the whole shaft assembly. Produced from premium GCr15 chrome bearing steel, this bearing resists surface spalling caused by cyclic impact, suitable for OEM assembly projects as well as aftermarket spare‑part replenishment.
Dimension Reference Chart
表格
| Parameter | Value |
|---|---|
| Bearing Type | Single Row Tapered Roller Bearing |
| Model | 32311 |
| Bore d | 55 mm |
| Outer Diameter D | 120 mm |
| Total Width T | 45.5 mm |
| Inner Ring Width B | 43 mm |
| Outer Ring Width C | 35 mm |
| Approx Weight | 2.37 kg |
Core dimension: 55 × 120 × 45.5 mm (d × D × T)
Core Performance‑Oriented Features
Aggressive steep taper profile greatly boosts unidirectional axial‑load capacity for assemblies under prominent thrust stress
Detachable cone‑cup build shortens overhaul time by simplifying inspection and part‑replacement workflows
Super‑finished raceway‑roller contact surfaces cut operating temperature and lower premature‑failure probability
Multiple accuracy tiers P0/P6/P5 can be supplied to meet varying equipment‑precision requirements
Open‑type construction adapts to lithium‑based grease filling and oil‑circulating lubrication workflows
Robust pressed steel cage holds rollers firmly in position during abrupt‑load‑shift cycles
Typical End‑Use Equipment
32311 tapered roller bearings see widespread adoption on heavy‑duty rotary components: heavy‑truck wheel‑end assemblies, high‑load industrial speed reducers, off‑highway construction machinery transmission modules, heavy‑duty agricultural gearboxes and mining auxiliary drive shaft groups. For locations subject to two‑way axial thrust, two bearings need opposing paired mounting to offset bidirectional force.
Sourcing & Custom Service Notes
Boyuan Bearing maintains spot stock for 32311 bearings. We fulfil small‑quantity sample orders and large‑volume container‑level export shipments. Non‑standard internal clearance and special cage variants are achievable upon sharing your field‑operating‑condition parameters.
Reach out to our sales department to obtain latest stock updates, full‑spec datasheet and favourable bulk‑order quotation.
