Manufactured by CHG Bearing, the 71909 FE/HCP4ALDT 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 24 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 FE/HCP4ALDT - Super-precision Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 71909 FE/HCP4ALDT |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Super-precision Angular Contact Ball Bearing |
| Number of Rows | 2 |
| Contact Type | Normal Contact (Two-point Contact) |
| Ring Type | Integral Inner and Outer Rings |
| Design | High-speed E Design |
| Universally Matchable | No |
| Matched Arrangement | Tandem (DT) |
| Number of Bearings in Set | 2 |
| Axial Clearance / Preload | Not Applicable |
| Tolerance Class | P4A |
| Bearing Material | Hybrid (Steel Rings / Ceramic Balls) |
| Sealing | Open |
| Features | Suitable for Direct Oil-air Lubrication |
| Dimensions | |
| Bore Diameter (d) | 45 mm |
| Width (B) | 24 mm |
| Outer Diameter (D) | 68 mm |
| Contact Angle α (°) | 18 ° |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 16.5 kN |
| Basic Static Load Rating C₀ (kN) | 13.4 kN |
| Material | |
| Weight (kg) | 0.236 kg |
71909 FE/HCP4ALDT 68 mm 45 mm 24 mm Frequently Asked Questions about 71909 FE/HCP4ALDT Super-precision Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 71909 FE/HCP4ALDT, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 71909 FE/HCP4ALDT. 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 FE/HCP4ALDT 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.
Standard batches of CHG Bearing 71909 FE/HCP4ALDT 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.
