GE40ES-2RS Double Sealed Spherical Plain Bearing One Bearing GE40ES-2RS Double Sealed Spherical Plain Bearing, the inner race can swivel like a ball joint, the inner diameter is 40mm, outer diameter is 62mm and the width is 28mm, this is a popular size that could be used in many applications, bearing has 2 Rubber Seals to protect the bearing from dust or any possible contamination.