Manufactured by CHG Bearing, the S71919 ACD/P4AQBCD is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 95 mm bore diameter, a 130 mm outer diameter, and a 72 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.
S71919 ACD/P4AQBCD - Super-precision Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | S71919 ACD/P4AQBCD |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Super-precision Angular Contact Ball Bearing |
| Seal Type | Non-contact Seal |
| Number of Rows | 4 |
| Contact Type | Normal Contact (Two-point Contact) |
| Ring Type | Integral Inner and Outer Rings |
| Design | High-capacity D Design |
| Universally Matchable | No |
| Number of Bearings in Set | 4 |
| Axial Clearance / Preload | Heavy Preload |
| Tolerance Class | P4A |
| Bearing Material | Bearing Steel |
| Sealing | Sealed on Both Sides |
| Lubricant | Grease |
| Dimensions | |
| Bore Diameter (d) | 95 mm |
| Width (B) | 72 mm |
| Outer Diameter (D) | 130 mm |
| Contact Angle α (°) | 25 ° |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 121 kN |
| Basic Static Load Rating C₀ (kN) | 208 kN |
| Material | |
| Weight (kg) | 2.34 kg |
S71919 ACD/P4AQBCD 130 mm 95 mm 72 mm Frequently Asked Questions about S71919 ACD/P4AQBCD Super-precision Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing S71919 ACD/P4AQBCD 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.
Model S71919 ACD/P4AQBCD is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 95 mm) and steep thermal gradients between inner and outer rings.
To safeguard CHG Bearing S71919 ACD/P4AQBCD against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (95 mm x 130 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Engineered according to international ISO boundary plans, CHG Bearing supplies S71919 ACD/P4AQBCD with a precision bore diameter (d) of 95 mm, an outside diameter (D) of 130 mm, and a nominal ring width (B) of 72 mm. This configuration yields an effective cross-sectional wall thickness of 17.5 mm and an envelope ratio (D/d) of 1.37, delivering compact rigidity for OEM machinery housings.
