Manufactured by CHG Bearing, the QJ1068MA is a precision Four-Point Contact Ball Bearings. Key dimensional parameters include a 340 mm bore diameter, a 520 mm outer diameter, and a 82 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.
QJ1068MA - Four-Point Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | QJ1068MA |
| Brand | CHG® |
| Construction | Single Row |
| Characteristics | |
| Bearing Type | Four-Point Contact Ball Bearing |
| Series | QJ |
| Load Direction | Combined |
| Dimensions | |
| Bore Diameter (d) | 340 mm |
| Width (B) | 82 mm |
| Outer Diameter (D) | 520 mm |
| Chamfer Dimension r (min.) | 5 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 709 kN |
| Basic Static Load Rating C0 (kN) | 1530 kN |
| Material | |
| Mass (kg) | 66.1 kg |
| Cage Material | Brass |
QJ1068MA 520 mm 340 mm 82 mm Frequently Asked Questions about QJ1068MA Four-Point Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Sourcing QJ1068MA directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Four-Point Contact Ball Bearings.
Yes, 100% of QJ1068MA 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.
For international ocean and air freight, CHG Bearing packs QJ1068MA 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.
To safeguard CHG Bearing QJ1068MA against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (340 mm x 520 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
