Manufactured by CHG Bearing, the QJ322 is a precision Four-Point Contact Ball Bearings. Key dimensional parameters include a 110 mm bore diameter, a 240 mm outer diameter, and a 50 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.

QJ322 - Four-Point Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | QJ322 |
| Brand | CHG® |
| Construction | Single Row |
| Characteristics | |
| Bearing Type | Four-Point Contact Ball Bearing |
| Series | QJ |
| Load Direction | Combined |
| Dimensions | |
| Bore Diameter (d) | 110 mm |
| Width (B) | 50 mm |
| Outer Diameter (D) | 240 mm |
| Chamfer Dimension r (min.) | 3 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 210 kN |
| Basic Static Load Rating C0 (kN) | 208 kN |
| Material | |
| Mass (kg) | 12.6 kg |
| Cage Material | Brass |
QJ322 240 mm 110 mm 50 mm Frequently Asked Questions about QJ322 Four-Point Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for QJ322, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Absolutely. The CHG Bearing QJ322 Four-Point Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF QJ322, FAG QJ322, NSK QJ322. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Beyond standard alloy steel, CHG Bearing can customize the QJ322 Four-Point 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.
Yes, 100% of QJ322 Four-Point Contact Ball Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
