Manufactured by CHG Bearing, the MR82X is a precision Metric Miniature Deep Groove Ball Bearings. Key dimensional parameters include a 2.5 mm bore diameter, a 8 mm outer diameter, and a 2.5 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

MR82X - Metric Miniature Deep Groove Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | MR82X |
| Dimensions | |
| Bore Diameter (d) | 2.5 mm |
| Width (B) | 2.5 mm |
| Outer Diameter (D) | 8 mm |
| Open Width B | 2.5 mm |
| Radius rs min | 0.2 mm |
| Flange Df | 9.2 mm |
| Open Flange Width Bf | 0.6 mm |
| Performance | |
| Dynamic Load Cr (N) | 558 N |
| Static Load C0r (N) | 180 N |
| Grease Speed (x1000 rpm) | 60 x1000 rpm |
| Oil Speed (x1000 rpm) | 67 x1000 rpm |
| Design Configurations | |
| Open Model | MR82X |
| Flanged Open Model | MF82X |
| Shielded Model | MR82XZZ |
| Flanged Shielded Model | MF82XZZ |
| 2RS | - |
| 2RU | - |
| TTS | - |
| Internal Design & Weight | |
| Cage Type | W |
| Ball Qty. Z | 6 |
| Ball Size Dw | 1.588 mm |
| Open Weight (g) | 0.52 g |
| Flanged Open Weight (g) | 0.6 g |
MR82X 8 mm 2.5 mm 2.5 mm Frequently Asked Questions about MR82X Metric Miniature Deep Groove Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Every production batch of CHG Bearing MR82X Metric Miniature Deep Groove Ball Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for MR82X. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Absolutely. The CHG Bearing MR82X Metric Miniature Deep Groove Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF MR82X, FAG MR82X, NSK MR82X. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing MR82X correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
