32312 Metric Tapered Roller Bearing for Heavy Transmission Assemblies
Heavy‑duty transmission hardware frequently faces high‑magnitude radial loads paired with substantial one‑way axial thrust, demanding bearings with enlarged contact angles. 32312 belongs to metric 323 series single‑row tapered roller bearings, optimized for such combined‑load transmission‑system requirements. Cone and cup components are fully separable, enabling independent installation of inner roller assembly and outer ring, which streamlines pre‑load setting and on‑site maintenance tasks. Adopting high‑quality GCr15 bearing‑steel raw material, this unit sustains long‑term operation under shock‑prone working scenarios, widely utilised for OEM matching and aftermarket spare‑part replacement globally.
Complete Specification Table
表格
| Parameter | Value |
|---|---|
| Bearing Type | Single Row Tapered Roller Bearing |
| Model | 32312 |
| Bore d | 60 mm |
| Outer Diameter D | 130 mm |
| Total Width T | 48.5 mm |
| Inner Ring Width B | 46 mm |
| Outer Ring Width C | 37 mm |
| Approx Weight | 2.90 kg |
Core dimension: 60 × 130 × 48.5 mm (d × D × T)
Key Engineering Highlights
Optimized steep taper geometry delivers prominent unidirectional axial‑thrust capacity, well‑suited for heavy‑duty transmission‑shaft positions
Separable cone‑cup structure allows independent handling of inner‑outer components, lowering maintenance‑operation complexity
Ultra‑precision ground roller‑raceway surfaces suppress heat generation and slow down wear‑related performance degradation
Different precision grades P0, P6, P5 are on offer to satisfy general‑purpose and high‑precision transmission‑system standards
Open‑frame layout works compatibly with both grease lubrication and circulating‑oil lubrication schemes
Heavy‑duty stamped steel cage stabilizes roller arrangement under large fluctuating impact‑load cycles
Suitable Application Zones
32312 taper roller bearings are commonly specified for heavy‑load rotary assemblies: heavy‑truck wheel‑end hubs, large‑size industrial gear reducers, mining‑equipment transmission sections, high‑load agricultural processing machinery gear assemblies and heavy‑duty shaft‑set groups. Where bidirectional axial‑force exists, two bearings must adopt opposite paired‑mounting arrangement to balance thrust forces coming from both directions.
Ordering & Custom‑Solution Guidance
Boyuan Bearing produces and keeps spot inventory for 32312 bearings. We support sample‑level small‑lot orders as well as full‑container export‑volume shipments. Should your project need non‑standard clearance values or special cage structures, send over your working‑condition parameters for engineering assessment.
Contact our sales team to check real‑time stock status, acquire full‑parameter datasheet and get competitive bulk‑order price.


