KB-1 linear bearings series 1 of ISO 10285 from premium brand in top quality. Compact dimensions enable a space-saving and cost efficient linear support. Easy to mount, automatic retention in the mounting bore. I.e., if the boring in the housing is exact, the bearing does not to be secured axially. Bearings with inner diameter up to 5mm must be lubricated before mounting. Recommended shaft tolerance h6, housing tolerance H6.