Manufactured by CHG Bearing, the 683 is a precision Metric Miniature Deep Groove Ball Bearings. Key dimensional parameters include a 3 mm bore diameter, a 7 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.
683 - Metric Miniature Deep Groove Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 683 |
| Dimensions | |
| Bore Diameter (d) | 3 mm |
| Width (B) | 2 mm |
| Outer Diameter (D) | 7 mm |
| Open Width B | 2 mm |
| Radius rs min | 0.1 mm |
| Flange Df | 8.1 mm |
| Closed Width B1 | 3 mm |
| Open Flange Width Bf | 0.5 mm |
| Closed Flange Width Bf1 | 0.8 mm |
| Performance | |
| Dynamic Load Cr (N) | 311 N |
| Static Load C0r (N) | 112 N |
| Grease Speed (x1000 rpm) | 63 x1000 rpm |
| Oil Speed (x1000 rpm) | 75 x1000 rpm |
| Design Configurations | |
| Open Model | 683 |
| Flanged Open Model | F683 |
| Shielded Model | 683ZZ |
| Flanged Shielded Model | F683ZZ |
| 2RS | - |
| 2RU | - |
| TTS | - |
| Internal Design & Weight | |
| Cage Type | W |
| Ball Qty. Z | 8 |
| Ball Size Dw | 1 mm |
| Shielded Weight (g) | 0.45 g |
| Flanged Shielded Weight (g) | 0.53 g |
| Open Weight (g) | 0.32 g |
| Flanged Open Weight (g) | 0.37 g |
683 7 mm 3 mm 2 mm Frequently Asked Questions about 683 Metric Miniature Deep Groove Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The Open Type engineered for 683 by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
For international ocean and air freight, CHG Bearing packs 683 with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
The CHG Bearing 683 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
Every production batch of CHG Bearing 683 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.
