° shields zz radial clearance c lubrication with grease for temperatures up to °c ‒ ° to °c bhts rs c vt ° seals rs for ° viton radial clearance c lubrication with ptfe grease for temp. up to °c ‒ ° to °c bhts zz c ° ° shields zz radial clearance c lubrication with ptfe grease for temp. up to °c ‒ °...