Manufactured by CHG Bearing, the QJ1040M is a precision Four-Point Contact Ball Bearings. Key dimensional parameters include a 200 mm bore diameter, a 310 mm outer diameter, and a 51 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.
QJ1040M - Four-Point Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | QJ1040M |
| Brand | CHG® |
| Construction | Single Row |
| Characteristics | |
| Bearing Type | Four-Point Contact Ball Bearing |
| Series | QJ |
| Load Direction | Combined |
| Dimensions | |
| Bore Diameter (d) | 200 mm |
| Width (B) | 51 mm |
| Outer Diameter (D) | 310 mm |
| Chamfer Dimension r (min.) | 2.1 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 389 kN |
| Basic Static Load Rating C0 (kN) | 619 kN |
| Material | |
| Mass (kg) | 15.4 kg |
| Cage Material | Brass |
QJ1040M 310 mm 200 mm 51 mm Frequently Asked Questions about QJ1040M Four-Point Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To match diverse operational dynamics, CHG Bearing supplies QJ1040M with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for QJ1040M. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Standard batches of CHG Bearing QJ1040M conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
Each QJ1040M produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (200 mm bore side) ensures perfect planar contact without edge binding.
