Manufactured by CHG Bearing, the HWAA1149HP4 is a precision Super Duplex Angular Contact Ball Bearings. Key dimensional parameters include a 77.7875 mm bore diameter, a 95.25 mm outer diameter, and a 15.875 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.

HWAA1149HP4 - Super Duplex Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HWAA1149HP4 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Super Duplex Angular Contact Ball Bearing |
| Series | AA11 |
| Seal Type | Open / Single-Sided Sealed / Double-Sided Sealed |
| Load Direction | Combined Radial and Axial |
| Row Configuration | Double Row |
| Dimensions | |
| Bore Diameter (d) | 77.7875 mm |
| Width (B) | 15.875 mm |
| Outer Diameter (D) | 95.25 mm |
| Outside Diameter Tolerance | -0.01-0 mm |
| Width Tolerance | -0.38-0 mm |
| Inner-Ring Land Diameter (L1 / d1) | 83.55584 mm |
| Outer-Ring Land Diameter (L2 / D1) | 89.47912 mm |
| Counterbore Diameter L3 | N/A mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 28900 N |
| Basic Dynamic Radial Load Rating Cr (N) | 13900 N |
| Basic Static Axial Load Rating C0a (N) | 15600 N |
| Basic Dynamic Axial Load Rating Ca (N) | N/A N |
| Material | |
| Mass (kg) | 0.203Kg kg |
| Ring Material | Stainless Steel / Bearing Steel |
| Cage Material | Brass / Polyimide / PEEK / Phenolic Resin / Phenolic Resin Fabric Laminate |
| Ball Material | Ceramic / Stainless Steel / Bearing Steel |
| Operating Temperature Range (°C) | -50 to +100 °C °C |
| Precision Class | P4 |
| Radial Internal Clearance | N/A mm |
HWAA1149HP4 95.25 mm 77.7875 mm 15.875 mm 89.47912 mm 83.55584 mm Frequently Asked Questions about HWAA1149HP4 Super Duplex Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
For international ocean and air freight, CHG Bearing packs HWAA1149HP4 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for HWAA1149HP4, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
In its sealed configuration (Open / Single-Sided Sealed / Double-Sided Sealed), CHG Bearing pre-charges HWAA1149HP4 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
Beyond standard alloy steel, CHG Bearing can customize the HWAA1149HP4 Super Duplex Angular Contact Ball Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
