Manufactured by CHG Bearing, the 63805 is a precision Metric Super-Thin Deep Groove Ball Bearings. Key dimensional parameters include a 25 mm bore diameter, a 37 mm outer diameter, and a 10 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.
63805 - Metric Super-Thin Deep Groove Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 63805 |
| Dimensions | |
| Bore Diameter (d) | 25 mm |
| Width (B) | 10 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) | 4303 N |
| Static Load C0r (N) | 2932 N |
| Grease Speed (x1000 rpm) | 18 x1000 rpm |
| Oil Speed (x1000 rpm) | 21 x1000 rpm |
| Design Configurations | |
| Open Model | 63805 |
| Flanged Open Model | F63805 |
| Shielded Model | 63805 |
| Flanged Shielded Model | F63805ZZ |
| 2RS | 2RS |
| 2RU | 2RU |
| TTS | - |
| Internal Design & Weight | |
| Cage Type | J, RJ (3) |
| Ball Qty. Z | 15 |
| Ball Size Dw | 3.5 mm |
| Shielded Weight (g) | 32 g |
| Flanged Shielded Weight (g) | 34.1 g |
63805 37 mm 25 mm 10 mm Frequently Asked Questions about 63805 Metric Super-Thin Deep Groove Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Standard batches of CHG Bearing 63805 conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
To safeguard CHG Bearing 63805 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (25 mm x 37 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 63805 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
Built for demanding industrial environments, the 63805 Metric Super-Thin Deep Groove Ball Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
