Manufactured by CHG Bearing, the R3* is a precision Inch Miniature Deep Groove Ball Bearings. Key dimensional parameters include a 4.762 mm bore diameter, a 12.7 mm outer diameter, and a 3.967 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.
R3* - Inch Miniature Deep Groove Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | R3* |
| Dimensions | |
| Bore Diameter (d) | 4.762 mm |
| Width (B) | 3.967 mm |
| Outer Diameter (D) | 12.7 mm |
| Open Width B | 3.967 mm |
| Radius rs min | 0.3 mm |
| Flange Df | 14.351 mm |
| Closed Width B1 | 4.978 mm |
| Closed Flange Width Bf1 | 1.067 mm |
| Performance | |
| Dynamic Load Cr (N) | 1301 N |
| Static Load C0r (N) | 488 N |
| Grease Speed (x1000 rpm) | 43 x1000 rpm |
| Oil Speed (x1000 rpm) | 53 x1000 rpm |
| Design Configurations | |
| Open Model | R3* |
| Flanged Open Model | - |
| Shielded Model | R3ZZ* |
| Flanged Shielded Model | FR3ZZ* |
| 2RS | 2RS |
| 2RU | 2RU |
| TTS | TTS |
| Internal Design & Weight | |
| Cage Type | J |
| Ball Qty. Z | 7 |
| Ball Size Dw | 2.381 mm |
| Shielded Weight (g) | 2.95 g |
| Flanged Shielded Weight (g) | 3.24 g |
| Open Weight (g) | 2.21 g |
R3* 12.7 mm 4.762 mm 3.967 mm Frequently Asked Questions about R3* Inch Miniature Deep Groove Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To match diverse operational dynamics, CHG Bearing supplies R3* with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
Every production batch of CHG Bearing R3* Inch 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.
Yes, 100% of R3* Inch Miniature Deep Groove Ball Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
Sourcing R3* directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Inch Miniature Deep Groove Ball Bearings.
