International Organization for Standardization (ISO)
Latest
ISO 7938:1986
Scope
Specifies the requirements for sealed or shielded ball bearings for use in control cable pulleys conforming to ISO 7939 within the temperature range from -55 to +120 鳦. Lays down materials, surface treatment, lubrication, designation and marking.
ISO 7938:1986 history
1986ISO 7938:1986 Aircraft; Ball bearings for control cable pulleys; Dimensions and loads