Single row deep groove ball bearings

1) d ≤ 12 mm
2) Diameter series 8, 9, 0, and 1

Stainless steel deep groove ball bearings
 Minimum load For additional information → Requisite minimum load Perform calculations If minimum load cannot be reached, consider preloading. Axial load carrying capacity Pure axial load → Fa ≤ 0,25 C0 Excessive axial load can lead to a considerable reduction in bearing service life. Equivalent dynamic bearing load For additional information → Equivalent dynamic bearing load, P Fa/Fr ≤ e → P = Fr Fa/Fr > e → P = X Fr + Y Fa Perform calculations Equivalent static bearing load For additional information → Equivalent static load P0 = 0,6 Fr + 0,5 Fa P0 < Fr → P0 = Fr
Single row deep groove ball bearings with filling slots
 Minimum load For additional information → Requisite minimum load Perform calculations If minimum load cannot be reached, consider preloading. Axial load carrying capacity Fa ≤ 0,6 Fr Excessive axial load can lead to a considerable reduction in bearing service life. Equivalent dynamic bearing load For additional information → Equivalent dynamic bearing load, P Fa/Fr ≤ 0,6 and P ≤ 0,5 C0 → P = Fr + Fa Perform calculations Equivalent static bearing load For additional information → Equivalent static load Fa/Fr ≤ 0,6 → P0 = Fr  + 0,5 Fa
Double row deep groove ball bearings
 Minimum load For additional information → Requisite minimum load Perform calculations Axial load carrying capacity Pure axial load → Fa ≤ 0,5 C0 Excessive axial load can lead to a considerable reduction in bearing service life. Equivalent dynamic bearing load For additional information → Equivalent dynamic bearing load, P Fa/Fr ≤ e → P = Fr Fa/Fr > e → P = X Fr + Y Fa Perform calculations Equivalent static bearing load For additional information → Equivalent static load P0 = 0,6 Fr + 0,5 Fa P0 < Fr → P0 = Fr

## Symbols

 C0 basic static load rating [kN] single bearings (→ product table) matched bearing pairs (→ Load carrying capacity of matched bearing pairs) dm bearing mean diameter [mm] = 0,5 (d + D) e limit for the load ratio depending on the relationship f0 Fa/C0 (table 1, table 2) f0 calculation factor (→ product table) Fa axial load [kN] Fr radial load [kN] Frm minimum radial load [kN] kr minimum load factor (→ product table) n rotational speed [r/min] P equivalent dynamic bearing load [kN] P0 equivalent static bearing load [kN] X calculation factor for the radial load (table 1) Y, Y1, Y2 calculation factors for the axial load depending on the relationship f0 Fa/C0 (table 1, table 2) ν actual operating viscosity of the lubricant [mm2/s]