Manufactured by CHG Bearing, the S7209 ACD/P4A is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 45 mm bore diameter, a 85 mm outer diameter, and a 19 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.
S7209 ACD/P4A - Super-precision Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | S7209 ACD/P4A |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Super-precision Angular Contact Ball Bearing |
| Seal Type | Non-contact Seal |
| 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 | No |
| Axial Clearance / Preload | Not Applicable |
| Tolerance Class | P4A |
| Bearing Material | Bearing Steel |
| Sealing | Sealed on Both Sides |
| Lubricant | Grease |
| Dimensions | |
| Bore Diameter (d) | 45 mm |
| Width (B) | 19 mm |
| Outer Diameter (D) | 85 mm |
| Contact Angle α (°) | 25 ° |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 41 kN |
| Basic Static Load Rating C₀ (kN) | 30 kN |
| Limiting Speed – Grease (r/min) | 15000 r/min |
| Material | |
| Weight (kg) | 0.439 kg |
S7209 ACD/P4A 85 mm 45 mm 19 mm Frequently Asked Questions about S7209 ACD/P4A Super-precision Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Standard batches of CHG Bearing S7209 ACD/P4A 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.
The Non-contact Seal engineered for S7209 ACD/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.
Absolutely. The CHG Bearing S7209 ACD/P4A Super-precision Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF S7209 ACD/P4A, FAG S7209 ACD/P4A, NSK S7209 ACD/P4A. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for S7209 ACD/P4A, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
