Manufactured by CHG Bearing, the 7222 CD/P4A is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 110 mm bore diameter, a 200 mm outer diameter, and a 38 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.
7222 CD/P4A - Super-precision Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 7222 CD/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 | No |
| Axial Clearance / Preload | Not Applicable |
| Tolerance Class | P4A |
| Bearing Material | Bearing Steel |
| Sealing | Open |
| Dimensions | |
| Bore Diameter (d) | 110 mm |
| Width (B) | 38 mm |
| Outer Diameter (D) | 200 mm |
| Contact Angle α (°) | 15 ° |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 178 kN |
| Basic Static Load Rating C₀ (kN) | 166 kN |
| Limiting Speed – Grease (r/min) | 7000 r/min |
| Limiting Speed – Oil-air (r/min) | 11000 r/min |
| Material | |
| Weight (kg) | 4.53 kg |
7222 CD/P4A 200 mm 110 mm 38 mm Frequently Asked Questions about 7222 CD/P4A Super-precision Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The CHG Bearing 7222 CD/P4A is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
Engineered according to international ISO boundary plans, CHG Bearing supplies 7222 CD/P4A with a precision bore diameter (d) of 110 mm, an outside diameter (D) of 200 mm, and a nominal ring width (B) of 38 mm. This configuration yields an effective cross-sectional wall thickness of 45.0 mm and an envelope ratio (D/d) of 1.82, delivering compact rigidity for OEM machinery housings.
To safeguard CHG Bearing 7222 CD/P4A against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (110 mm x 200 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
For international ocean and air freight, CHG Bearing packs 7222 CD/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.
