Manufactured by CHG Bearing, the 71909 CE/P4A is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 45 mm bore diameter, a 68 mm outer diameter, and a 12 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.
71909 CE/P4A - Super-precision Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 71909 CE/P4A |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Super-precision Angular Contact Ball Bearing |
| Number of Rows | 1 |
| Contact Type | Normal Contact (Two-point Contact) |
| Ring Type | Integral Inner and Outer Rings |
| Design | High-speed E Design |
| Universally Matchable | No |
| Axial Clearance / Preload | Not Applicable |
| Tolerance Class | P4A |
| Bearing Material | Bearing Steel |
| Sealing | Open |
| Dimensions | |
| Bore Diameter (d) | 45 mm |
| Width (B) | 12 mm |
| Outer Diameter (D) | 68 mm |
| Contact Angle α (°) | 15 ° |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 10.4 kN |
| Basic Static Load Rating C₀ (kN) | 6.8 kN |
| Limiting Speed – Grease (r/min) | 29000 r/min |
| Limiting Speed – Oil-air (r/min) | 44000 r/min |
| Material | |
| Weight (kg) | 0.135 kg |
71909 CE/P4A 68 mm 45 mm 12 mm Frequently Asked Questions about 71909 CE/P4A Super-precision Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To match diverse operational dynamics, CHG Bearing supplies 71909 CE/P4A 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 71909 CE/P4A. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
The Open Type engineered for 71909 CE/P4A 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.
Sourcing 71909 CE/P4A 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 Super-precision Angular Contact Ball Bearings.
