Description
Koyo Needle Bearing Track Roller, Stud Type Uncaged, Series: CRSB Inch Series, 5/8 in Roller Diameter, 0.438 in Roller Width, 5/16 in Stud Diameter, 3/4 in Stud Length, 1/4-28 Thread, 5/16 in Thread Length, 1070 lbf Dynamic/1510 lbf Static Load, 5500 rpm Grease Maximum, -25 to 225 deg F, Sealed Closure, Hex Wrench Socket Head, Black Oxide
Features:
- 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
- Seals help retain lubricant and exclude foreign matter
- Hexagonal wrench socket in stud head for mounting
- 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
Applications:
Ram Support Rollers, Material Handling and Indexing Equipment
Standards/Approval:
