Manufactured by CHG Bearing, the R0* is a precision Inch Miniature Deep Groove Ball Bearings. Key dimensional parameters include a 1.191 mm bore diameter, a 3.967 mm outer diameter, and a 1.588 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.

R0* - Inch Miniature Deep Groove Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | R0* |
| Dimensions | |
| Bore Diameter (d) | 1.191 mm |
| Width (B) | 1.588 mm |
| Outer Diameter (D) | 3.967 mm |
| Open Width B | 1.588 mm |
| Radius rs min | 0.1 mm |
| Flange Df | 5.156 mm |
| Closed Width B1 | 2.38 mm |
| Open Flange Width Bf | 0.33 mm |
| Closed Flange Width Bf1 | 0.787 mm |
| Performance | |
| Dynamic Load Cr (N) | 112 N |
| Static Load C0r (N) | 33 N |
| Grease Speed (x1000 rpm) | 110 x1000 rpm |
| Oil Speed (x1000 rpm) | 130 x1000 rpm |
| Design Configurations | |
| Open Model | R0* |
| Flanged Open Model | FR0* |
| Shielded Model | R0ZZ* |
| Flanged Shielded Model | FR0ZZ* |
| 2RS | - |
| 2RU | - |
| TTS | - |
| Internal Design & Weight | |
| Cage Type | W |
| Ball Qty. Z | 7 |
| Ball Size Dw | 0.6 mm |
| Shielded Weight (g) | 0.15 g |
| Flanged Shielded Weight (g) | 0.2 g |
| Open Weight (g) | 0.1 g |
| Flanged Open Weight (g) | 0.12 g |
R0* 3.967 mm 1.191 mm 1.588 mm Frequently Asked Questions about R0* Inch Miniature Deep Groove Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Engineered according to international ISO boundary plans, CHG Bearing supplies R0* with a precision bore diameter (d) of 1.191 mm, an outside diameter (D) of 3.967 mm, and a nominal ring width (B) of 1.588 mm. This configuration yields an effective cross-sectional wall thickness of 1.4 mm and an envelope ratio (D/d) of 3.33, delivering compact rigidity for OEM machinery housings.
To safeguard CHG Bearing R0* against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (1.191 mm x 3.967 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
To extend the trouble-free lifespan of CHG Bearing R0*, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
Absolutely. The CHG Bearing R0* Inch Miniature Deep Groove Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF R0*, FAG R0*, NSK R0*. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
