Four-Point Contact Ball Bearings

QJ322 - Four-Point Contact Ball Bearings

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.

Technical Specifications

Overview
Part NumberQJ322
BrandCHG®
ConstructionSingle Row
Characteristics
Bearing TypeFour-Point Contact Ball Bearing
SeriesQJ
Load DirectionCombined
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 MaterialBrass
CAD Drawing and Dimensions for QJ322 Four-Point Contact Ball Bearings 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.
QJ322 - Four-Point Contact Ball Bearings CAD Drawing QJ322 240 mm 110 mm 50 mm