This specification covers the requirements for nonseparable antifriction roller bearings.

Classification:

Bearings shall be of the following types as specified (see 6.2):

Type I Bearing, roller, self-aligning, single row, airframe, antifriction, sealed

Type II Bearing, roller, self-aligning, double row, airframe, antifriction, sealed

Type III Bearing, roller, self-aligning, double row, wide inner ring, airframe, antifriction, sealed

Type IV Bearing, roller, self-aligning, double row, torque tube, airframe, antifriction, sealed