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6300 Series

Single-row deep groove ball bearings are a typical structural type among rolling bearings. The raceways on both the inner and outer rings are circular arcs, with a cross-sectional radius slightly larger than the ball radius. The 6300 series are medium-to-large standard types, featuring larger outer diameters and widths compared to the 6200 series, with significantly improved load-carrying capacity, making them suitable for medium and above load conditions. In addition to open types, bearings with steel shield plates or with snap rings on the outer diameter of the outer ring are also available. They generally use pressed steel cages. For large-sized bearings or those used in high-speed rotation, machined brass cages are adopted.

Features

  • Higher load-carrying capacity than the 6200 series, suitable for medium-load applications.
  • Outstanding radial load capacity, while also capable of supporting certain bidirectional axial loads.
  • Complete size series with a wide selection range.
  • Sealed types and snap-ring types accommodate different mounting requirements.
Application Examples
With low friction torque, they are ideal for medium-load, high-speed, and low-noise applications. Industrial motors, gearboxes, pump equipment, agricultural machinery (harvesters, seeders), woodworking machinery, conveyor belt rollers, blowers, air compressors, and more.

Model Overall dimensions Basic rated load Coefficient Weight
d D B r (min.) Cr C0r F₀ Mass
mm mm mm mm N N ⁿ/ₐ kg
6318N 90 190 43 3 143000 107000 13.3 4.98
6318-2RS 90 190 43 3 143000 107000 13.3 4.98
6317-2Z 85 180 41 3 133000 97000 13.3 4.28
6317-2RZ 85 180 41 3 133000 97000 13.3 4.28
6317NR 85 180 41 3 133000 97000 13.3 4.28
6317N 85 180 41 3 133000 97000 13.3 4.28
6317-2RS 85 180 41 3 133000 97000 13.3 4.28
6316-2Z 80 170 39 2.1 123000 86500 13.3 3.67
6316-2RZ 80 170 39 2.1 123000 86500 13.3 3.67
6316NR 80 170 39 2.1 123000 86500 13.3 3.67
6316N 80 170 39 2.1 123000 86500 13.3 3.67
6316-2RS 80 170 39 2.1 123000 86500 13.3 3.67
6315-2Z 75 160 37 2.1 113000 77000 13.2 3.08
6315-2RZ 75 160 37 2.1 113000 77000 13.2 3.08
6315NR 75 160 37 2.1 113000 77000 13.2 3.08
6315N 75 160 37 2.1 113000 77000 13.2 3.08
6315-2RS 75 160 37 2.1 113000 77000 13.2 3.08
6314-2Z 70 150 35 2.1 104000 68000 13.2 2.57
6314-2RZ 70 150 35 2.1 104000 68000 13.2 2.57
6314NR 70 150 35 2.1 104000 68000 13.2 2.57

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