32317 Tapered Roller Bearing Built for Extreme Mixed‑Load Working Conditions
Extreme mixed‑load working conditions represented by mine sites and heavy off‑road equipment bring combined heavy radial pressure, strong thrust and frequent vibration shocks. Ordinary medium‑angle bearings are easy to produce fatigue spalling under such circumstance. 32317 from metric 323 series is purpose‑built for such tough application scenarios. Its steep‑angled internal structure significantly promotes axial‑load bearing capacity. The separable cone‑cup structure brings great convenience for installers to carry out pre‑load fine‑tuning and spare‑part replacement. Made of high‑purity GCr15 bearing steel material, this unit keeps stable performance under long‑term cyclic impact stress, covering OEM matching and aftermarket replacement businesses.
Full‑Set Technical Parameters
表格
| Parameter | Value |
|---|---|
| Bearing Type | Single Row Tapered Roller Bearing |
| Model | 32317 |
| Bore d | 85 mm |
| Outer Diameter D | 180 mm |
| Total Width T | 63.5 mm |
| Inner Ring Width B | 60 mm |
| Outer Ring Width C | 49 mm |
| Approx Weight | 6.68 kg |
Core dimension: 85 × 180 × 63.5 mm (d × D × T)
Core Engineering Advantages
Steep taper geometry delivers outstanding unidirectional axial‑thrust resistance for extreme mixed‑load operating spots
Fully split cone‑cup architecture lowers operation difficulty for on‑site overhaul, inspection and part change
Fine‑polished roller‑raceway contact surfaces reduce friction heat and slow down material fatigue progress
Multiple precision grades P0, P6, P5 are selectable to match different transmission‑accuracy standards
Open‑style bearing body fits grease lubrication and circulating oil lubrication systems
Heavy‑duty stamped steel cage guarantees reliable roller positioning under continuous shock‑load impact
Main End‑Use Equipment
32317 tapered roller bearings are widely applied on heavy‑duty rotating assemblies: heavy‑truck wheel‑end hub sets, large‑size industrial gear reducers, mining‑equipment transmission modules, heavy‑load agricultural machinery gear units and large‑engineering‑machinery main shaft groups. When bidirectional axial force exists in shaft system, two bearings must adopt opposite paired‑mounting way.
Purchasing & Custom‑Build Support
Boyuan Bearing keeps spot stock of 32317 bearings. We support sample‑level small‑batch orders and large‑volume container‑export shipments. Custom‑made internal clearance and special cage configurations can be realized according to your practical site‑working‑condition information.
Drop message to our sales team for real‑time stock feedback, full‑spec datasheet and favourable bulk‑order quotation.


