Manufactured by CHG Bearing, the 623 is a precision Metric Miniature Deep Groove Ball Bearings. Key dimensional parameters include a 3 mm bore diameter, a 10 mm outer diameter, and a 4 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.
623 - Metric Miniature Deep Groove Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 623 |
| Dimensions | |
| Bore Diameter (d) | 3 mm |
| Width (B) | 4 mm |
| Outer Diameter (D) | 10 mm |
| Open Width B | 4 mm |
| Radius rs min | 0.15 mm |
| Flange Df | 11.5 mm |
| Closed Width B1 | 4 mm |
| Open Flange Width Bf | 1 mm |
| Closed Flange Width Bf1 | 1 mm |
| Performance | |
| Dynamic Load Cr (N) | 631 N |
| Static Load C0r (N) | 219 N |
| Grease Speed (x1000 rpm) | 50 x1000 rpm |
| Oil Speed (x1000 rpm) | 60 x1000 rpm |
| Design Configurations | |
| Open Model | 623 |
| Flanged Open Model | F623 |
| Shielded Model | 623ZZ |
| Flanged Shielded Model | F623ZZ |
| 2RS | - |
| 2RU | - |
| TTS | - |
| Internal Design & Weight | |
| Cage Type | J, TW |
| Ball Qty. Z | 7 |
| Ball Size Dw | 1.588 mm |
| Shielded Weight (g) | 1.65 g |
| Flanged Shielded Weight (g) | 1.85 g |
| Open Weight (g) | 1.45 g |
| Flanged Open Weight (g) | 1.65 g |
623 10 mm 3 mm 4 mm Frequently Asked Questions about 623 Metric Miniature Deep Groove Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Sourcing 623 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 Metric Miniature Deep Groove Ball Bearings.
Model 623 is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 3 mm) and steep thermal gradients between inner and outer rings.
As standard production, CHG Bearing subjects 623 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.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 623. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
