Description
Overview:
The Bearing Bush U/S 020 for the BSA 120CC Industrial Engine is a precision-machined bronze plain bearing designed to restore correct running clearance on reground shafts. Marked “U/S 020,” it is undersize by 0.020 inch (approx. 0.50 mm), making it suitable where a crank or shaft journal has been ground to this undersize. This bush supports the rotating shaft, reduces friction, and helps maintain alignment within the engine, contributing to smooth operation and extended service life. It is a Genuine BSA part supplied to OEM standard, identified by Manufacturer Part Number (MPN) 86 2949. Ideal for workshop rebuilds and maintenance on the BSA 120CC industrial engine, it offers dependable fit and performance when installed and finished to specification.
Key Features:
- Genuine BSA part for consistent quality and fit
- OEM reference: 86 2949 for accurate cross-checking
- Undersize: 0.020 in (approx. 0.50 mm) for reground journals
- Durable bronze construction for reliable load-bearing and wear resistance
- Precision-machined to support correct oil film and smooth running
- Helps restore correct oil clearance and reduce vibration
- Direct replacement for the matching undersize specification
- Suitable for professional rebuilds and workshop repairs
- May require line-reaming or final sizing after press-fit to the housing
- Designed to maintain alignment and reduce friction in the BSA 120CC engine
Typical Applications:
Used during overhaul of BSA 120CC industrial engines after crank or shaft regrind to -0.020 in. Suitable for engines powering pumps, generators, mixers, compact plant, and general-purpose industrial equipment where reliable plain bearing support and correct running clearance are required.
Also known as:
20 thou undersize bearing bush, 0.020" U/S bush, 0.5 mm undersize bush, plain bearing bush, shaft bush, engine bearing sleeve, bronze bush for reground journals.
Fits Models:
BSA 120CC
Alternate Part Numbers:
86 2949, 86-2949, 862949
Product Specifications
| L&S Part No. | 86 2949 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | BSA |
| OEM No. | 86 2949 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Villiers |
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