Manufactured by CHG Bearing, the 7217 ACD/P4ADGD is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 85 mm bore diameter, a 150 mm outer diameter, and a 56 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.
7217 ACD/P4ADGD - Super-precision Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 7217 ACD/P4ADGD |
| 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-capacity D Design |
| Universally Matchable | Yes – Back-to-back (DB), Face-to-face (DF), or Tandem (DT) |
| Matched Arrangement | Universal Matching |
| Number of Bearings in Set | 2 |
| Axial Clearance / Preload | Heavy Preload |
| Tolerance Class | P4A |
| Bearing Material | Bearing Steel |
| Sealing | Open |
| Dimensions | |
| Bore Diameter (d) | 85 mm |
| Width (B) | 56 mm |
| Outer Diameter (D) | 150 mm |
| Contact Angle α (°) | 25 ° |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 156 kN |
| Basic Static Load Rating C₀ (kN) | 170 kN |
| Material | |
| Weight (kg) | 3.65 kg |
7217 ACD/P4ADGD 150 mm 85 mm 56 mm Frequently Asked Questions about 7217 ACD/P4ADGD Super-precision Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The Open Type engineered for 7217 ACD/P4ADGD 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.
To ensure optimum performance of CHG Bearing 7217 ACD/P4ADGD Super-precision Angular Contact Ball Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 85 mm bore. For the 150 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
To extend the trouble-free lifespan of CHG Bearing 7217 ACD/P4ADGD, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
Engineered according to international ISO boundary plans, CHG Bearing supplies 7217 ACD/P4ADGD with a precision bore diameter (d) of 85 mm, an outside diameter (D) of 150 mm, and a nominal ring width (B) of 56 mm. This configuration yields an effective cross-sectional wall thickness of 32.5 mm and an envelope ratio (D/d) of 1.76, delivering compact rigidity for OEM machinery housings.
