Description
Koyo Needle Bearing Track Roller, Stud Type Uncaged, Series: CR Inch Series, 3-1/2 in Roller Diameter, 2 in Roller Width, 1-3/8 in Stud Diameter, 2-3/4 in Stud Length, 1-3/8-12 Thread, 1-3/8 in Thread Length, 18500 lbf Dynamic/43000 lbf Static Load, 950 rpm Grease Maximum, Steel Roller, Black Oxide
Features:
- Screwdriver slot in head facilitates mounting
- Non-separable, sealed unit with outer ring, full complement of needle rollers, stud seals, self-lubricating resin internal thrust washers and stud-fastened retaining washer
- Re-lubrication via axially drilled hole through stud with cross-drilled holes in stud raceway and shank
- Recessed axial hole accepts standard nominal inch drive-type grease lubrication fitting
- Lubrication fitting plugs furnished to close off unused holes
- Tolerance limits for outer diameters of stud and outer ring refer to "single mean diameter"
- A close fit between stud and hole required for mounting
- Retaining washer should be firmly backed up by flat housing shoulder (perpendicular to the stud axis)
- Shoulder diameter should be atleast same size as minimum clamping diameter listed
- May be mounted with two thin lock nuts or nut and lock washer
- Without seal
Applications:
Ram Support Rollers, Material Handling and Indexing Equipment
Standards/Approval:
