Manufactured by CHG Bearing, the MR52 is a precision Metric Miniature Deep Groove Ball Bearings. Key dimensional parameters include a 2 mm bore diameter, a 5 mm outer diameter, and a 2 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.
MR52 - Metric Miniature Deep Groove Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | MR52 |
| Dimensions | |
| Bore Diameter (d) | 2 mm |
| Width (B) | 2 mm |
| Outer Diameter (D) | 5 mm |
| Open Width B | 2 mm |
| Radius rs min | 0.1 mm |
| Flange Df | 6.2 mm |
| Closed Width B1 | 2.5 mm |
| Open Flange Width Bf | 0.6 mm |
| Closed Flange Width Bf1 | 0.6 mm |
| Performance | |
| Dynamic Load Cr (N) | 169 N |
| Static Load C0r (N) | 50 N |
| Grease Speed (x1000 rpm) | 85 x1000 rpm |
| Oil Speed (x1000 rpm) | 100 x1000 rpm |
| Design Configurations | |
| Open Model | MR52 |
| Flanged Open Model | MF52 |
| Shielded Model | MR52ZZ |
| Flanged Shielded Model | MF52ZZ |
| 2RS | - |
| 2RU | - |
| TTS | - |
| Internal Design & Weight | |
| Cage Type | W |
| Ball Qty. Z | 6 |
| Ball Size Dw | 0.8 mm |
| Shielded Weight (g) | 0.2 g |
| Flanged Shielded Weight (g) | 0.25 g |
| Open Weight (g) | 0.14 g |
| Flanged Open Weight (g) | 0.19 g |
MR52 5 mm 2 mm 2 mm Frequently Asked Questions about MR52 Metric Miniature Deep Groove Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing MR52 Metric Miniature Deep Groove Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF MR52, FAG MR52, NSK MR52. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Beyond standard alloy steel, CHG Bearing can customize the MR52 Metric Miniature Deep Groove Ball Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for MR52. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
As standard production, CHG Bearing subjects MR52 to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
