Manufactured by CHG Bearing, the 71902 CDGC/P4A is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 15 mm bore diameter, a 28 mm outer diameter, and a 7 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.
71902 CDGC/P4A - Super-precision Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 71902 CDGC/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-capacity D Design |
| Universally Matchable | Yes – Back-to-back (DB), Face-to-face (DF), or Tandem (DT) |
| Axial Clearance / Preload | Preload Class C |
| Tolerance Class | P4A |
| Bearing Material | Bearing Steel |
| Sealing | Open |
| Dimensions | |
| Bore Diameter (d) | 15 mm |
| Width (B) | 7 mm |
| Outer Diameter (D) | 28 mm |
| Contact Angle α (°) | 15 ° |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 3.97 kN |
| Basic Static Load Rating C₀ (kN) | 1.9 kN |
| Material | |
| Weight (kg) | 0.016 kg |
71902 CDGC/P4A 28 mm 15 mm 7 mm Frequently Asked Questions about 71902 CDGC/P4A Super-precision Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Quality starts with raw material selection: CHG Bearing crafts 71902 CDGC/P4A inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
Every production batch of CHG Bearing 71902 CDGC/P4A Super-precision Angular Contact Ball Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
When fitting 71902 CDGC/P4A over a 15 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
For international ocean and air freight, CHG Bearing packs 71902 CDGC/P4A 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.
