32320 Large‑Angle Tapered Roller Bearing for Heavy‑Load Wheel‑End Assemblies
Wheel‑end assemblies on heavy‑duty trucks and mining vehicles bear dynamic mixed loads during starting, braking and travelling. Without sufficient axial‑force tolerance, bearings will suffer premature damage and shorten whole‑vehicle service intervals. 32320 from metric 323 high‑thrust series addresses this real‑world pain point. Its enlarged taper contact angle delivers superior thrust‑handling performance compared with 322‑series counterparts. Inner cone assembly and outer cup can be fully separated, bringing great convenience for installers to finish pre‑load calibration during hub assembly and maintenance. Produced from refined GCr15 bearing steel, this unit resists fatigue under frequent impact, suitable for original equipment manufacturing and aftermarket replacement business.
Complete Specification Sheet
表格
| Parameter | Value |
|---|---|
| Bearing Type | Single Row Tapered Roller Bearing |
| Model | 32320 |
| Bore d | 100 mm |
| Outer Diameter D | 215 mm |
| Total Width T | 77.5 mm |
| Inner Ring Width B | 73 mm |
| Outer Ring Width C | 60 mm |
| Approx Weight | 11.0 kg |
Core dimension: 100 × 215 × 77.5 mm (d × D × T)
Practical Performance Highlights
Optimized large‑angle geometry raises axial‑thrust capacity for dynamically‑loaded wheel‑end application scenarios
Separable cone‑cup architecture lowers operation difficulty for hub assembling, inspection and part replacement
Precision‑ground contact surfaces reduce operating temperature rise and extend effective service life
Multiple accuracy grades P0 / P6 / P5 can be supplied to satisfy various equipment‑matching standards
Open‑type framework adapts to lithium‑based grease filling and circulating‑oil lubrication workflows
Reinforced pressed steel cage prevents roller offset under sudden impact‑load mutation
Main Application Range
32320 tapered roller bearings find broad usage on heavy‑duty rotating components: heavy‑truck wheel‑end hub assemblies, mining vehicle transmission units, large‑capacity industrial gear reducers, heavy‑load farm‑processing machinery and large‑scale construction machinery main‑shaft groups. For locations with two‑way axial thrust, dual‑bearing back‑to‑back installation is required.
Order & Custom‑Build Information
Boyuan Bearing manufactures and stocks 32320 bearings. We process small‑quantity sample orders and large‑volume container‑level export shipments. Non‑standard internal clearance and special cage variants can be customized upon submission of your site‑working‑condition parameters.
Contact our sales department for stock verification, full‑spec datasheet and favorable bulk‑order quotation.


