Four-Point Contact Ball Bearings

QJF1034M - Four-Point Contact Ball Bearings

Manufactured by CHG Bearing, the QJF1034M is a precision Four-Point Contact Ball Bearings. Key dimensional parameters include a 170 mm bore diameter, a 260 mm outer diameter, and a 42 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 NumberQJF1034M
BrandCHG®
ConstructionSingle Row
Characteristics
Bearing TypeFour-Point Contact Ball Bearing
SeriesQJF
Load DirectionCombined
Dimensions
Bore Diameter (d)170 mm
Width (B)42 mm
Outer Diameter (D)260 mm
Chamfer Dimension r (min.)2.1 mm
Performance
Basic Dynamic Load Rating C (kN)296 kN
Basic Static Load Rating C0 (kN)428 kN
Material
Mass (kg)8.84 kg
Cage MaterialBrass
CAD Drawing and Dimensions for QJF1034M Four-Point Contact Ball Bearings QJF1034M 260 mm 170 mm 42 mm

Frequently Asked Questions about QJF1034M 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 QJF1034M 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 QJF1034M. 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 QJF1034M 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.
The CHG Bearing QJF1034M is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
QJF1034M - Four-Point Contact Ball Bearings CAD Drawing QJF1034M 260 mm 170 mm 42 mm