Rotor Assembly (CHRA)
AssemblyCartridge-style rotor housing turbine and compressor wheels on a common shaft spinning as a balanced pair on oil-film bearing system. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Rotor Assembly (CHRA) parts and their functions
5 top-level parts · 5 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Common Rotor Shaft | 1× | Steel shaft (8–12 mm diameter) with integral hubs for wheel mounting |
| 2 | Turbine Impeller | 1× | Small turbine impeller (30–50 mm tip diameter) driven by exhaust energy |
| 3 | Compressor Impeller | 1× | Larger compressor impeller (50–80 mm tip diameter) compressing intake air |
| 4 | Wheel Locking Nut | 1× | High-strength lock nut (M12–M16) preventing wheel rotation on shaft |
| 5 | Thrust Collar | 1× | Shoulder or collar spacing wheels and defining axial position on shaft |
3D model
No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).
Build & assembly graph
expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly
shared across products
atomic part
related product
Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.
Bill of materials for Rotor Assembly (CHRA)
5 top-level lines · 5 rows shown · 5 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Common Rotor Shaft | turbocharger-rotor-shaft | 1× | 1 | · | part |
| 2 | Turbine Impeller | turbocharger-turbine-wheel | 1× | 1 | · | part |
| 3 | Compressor Impeller | turbocharger-compressor-wheel | 1× | 1 | · | part |
| 4 | Wheel Locking Nut | turbocharger-wheel-nut | 1× | 1 | · | part |
| 5 | Thrust Collar | turbocharger-shaft-thrust-collar | 1× | 1 | · | part |
Something wrong in this list? Report a problem with this BOM.
Where the rotor assembly (CHRA) is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $2–$500. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳Inovance
inovance.com ↗
|
Shenzhen, CN | Drives & motion control | 500 units | 10–14 wks |
| sonacomstar.com ↗ | Gurugram, IN | EV driveline & motors | 500 units | 10–14 wks |
| broad-ocean.com ↗ | Zhongshan, CN | Electric motors | 500 units | 10–14 wks |
| nidec.com ↗ | Singapore | Motors, regional ops | 500 units | 10–14 wks |
| bosch.in ↗ | Bengaluru, IN | Automotive components | 500 units | 10–14 wks |