32318 Metric High‑Thrust Taper Roller Bearing for Heavy‑Vehicle & Mining Equipment
Heavy‑vehicle wheel‑end and mining‑equipment transmission systems often run under heavy radial load plus large‑magnitude unidirectional axial thrust, requiring bearings with high thrust‑resistance capability. 32318 belongs to metric 323 series single‑row tapered roller bearings. Thanks to its enlarged taper contact angle, it achieves excellent comprehensive load‑bearing performance. Inner cone assembly and outer cup can be fully separated, simplifying pre‑load adjustment and component replacement during equipment shutdown maintenance. Manufactured from premium GCr15 chrome bearing steel, this bearing resists fatigue damage brought by continuous shock impact, and can be used for both original‑equipment assembly and aftermarket spare‑part supply.
Dimension Specification Chart
表格
| Parameter | Value |
|---|---|
| Bearing Type | Single Row Tapered Roller Bearing |
| Model | 32318 |
| Bore d | 90 mm |
| Outer Diameter D | 190 mm |
| Total Width T | 67.5 mm |
| Inner Ring Width B | 64 mm |
| Outer Ring Width C | 53 mm |
| Approx Weight | 7.73 kg |
Core dimension: 90 × 190 × 67 mm (d × D × T)
Key Performance Selling‑Points
Significantly enlarged taper angle optimizes unidirectional axial‑thrust bearing capacity for heavy‑vehicle and mining transmission positions
Detachable cone‑cup structure facilitates independent installation, inspection and replacement of inner‑outer components
Precision‑ground roller‑raceway surfaces minimize frictional heat generation and extend bearing service lifespan
Multiple precision classes P0, P6, P5 on offer to satisfy general‑purpose and high‑precision transmission requirements
Open‑type construction is compatible with grease lubrication and forced circulating oil lubrication schemes
Reinforced stamped steel cage avoids roller offset under frequent variable‑shock‑load cycles
Main Application Scope
32318 taper roller bearings are extensively fitted for heavy‑duty rotary assemblies: heavy‑truck wheel‑end hub assemblies, large‑capacity industrial speed reducers, mining‑plant transmission sections, heavy‑load farm machinery gearboxes and large construction‑machinery main shaft sets. For shaft systems with bidirectional axial‑thrust stress, two bearings need to be mounted in opposing paired configuration.
Order‑Related Information
Boyuan Bearing produces and maintains ready‑stock inventory for 32318 bearings. We fulfil small‑quantity sample orders as well as full‑container export‑volume shipments. Custom internal clearance and special cage variants can be produced upon receipt of your working‑condition specifications.
Contact our sales department for stock inquiry, complete parameter datasheet and competitive bulk‑order pricing.
