JIS Plain Linear Bearing FJN25 25mm Open, Precision ID you can order the matching

you can order the matching 6mm wrench as part #6101227

without a separate bearing insert

This Simplicity® bearing uses a self-lubricating FrelonGOLD® liner bonded directly to the bore of a sturdy aluminum body

Variant sizes are 3/16” to 4” Inch Series

and vibration

JIS Plain Linear Bearing FJN25 25mm Open, Precision ID you can order the matchingOpen shell plain linear bearing with a JIS 25mm ID, precision running clearance, durable green anodized aluminum shell, and a bonded self lubricating FrelonGOLD liner that facilitates smooth linear, rotational, or oscillating motion on round shafts in harsh conditions where contamination, vibration, shock loads, washdowns, temperature extremes, lubricant maintenance difficulties, or poor machine accessibility can make rolling element bearings harder