Spherical shape
Airframe bearings
Marking
Aircraft components
Mass
Thickness
Starting
Shape
Corrosion-resistant steels
Metal coatings
Dimensions
Static loading
Plain bearings
Designations
Self-lubricating bearings
Torque
Chromium
Steels
Temperature
Roughness (surface)
Dynamic loading
Link: BS EN 2585:2019 Aerospace series. Bearing, spherical plain in corrosion resisting steel with self-lubricating liner. Wide series. Elevated load at ambient temperature. Dimensions and loads
Source: BSI Standards