Manufactured by CHG Bearing, the 6904 is a precision Metric Super-Thin Deep Groove Ball Bearings. Key dimensional parameters include a 20 mm bore diameter, a 37 mm outer diameter, and a 9 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.
6904 - Metric Super-Thin Deep Groove Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 6904 |
| Dimensions | |
| Bore Diameter (d) | 20 mm |
| Width (B) | 9 mm |
| Outer Diameter (D) | 37 mm |
| Radius rs min | 0.3 mm |
| Flange Df | 40 mm |
| Flange Width Bf | 2 mm |
| Performance | |
| Dynamic Load Cr (N) | 6381 N |
| Static Load C0r (N) | 3682 N |
| Grease Speed (x1000 rpm) | 19 x1000 rpm |
| Oil Speed (x1000 rpm) | 23 x1000 rpm |
| Design Configurations | |
| Open Model | 6904 |
| Flanged Open Model | F6904 |
| Shielded Model | 6904ZZ |
| Flanged Shielded Model | F6904ZZ |
| 2RS | 2RS |
| 2RU | 2RU |
| TTS | - |
| Internal Design & Weight | |
| Cage Type | RJ |
| Ball Qty. Z | 11 |
| Ball Size Dw | 4.762 mm |
| Shielded Weight (g) | 40 g |
| Flanged Shielded Weight (g) | 42.8 g |
6904 37 mm 20 mm 9 mm Frequently Asked Questions about 6904 Metric Super-Thin Deep Groove Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
For international ocean and air freight, CHG Bearing packs 6904 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.
Sourcing 6904 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 Super-Thin Deep Groove Ball Bearings.
To match diverse operational dynamics, CHG Bearing supplies 6904 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.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 6904. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
