Plain Linear Bearing - FMN25 25mm Open RST but the TWN blocks are

but the TWN blocks are larger

Open shell plain linear bearing with a JIS 40mm ID

Optional Frelon®J liner for corrosive environments and non-touch food handling

Optional Frelon® J or W liners for corrosive chemicals or FDA compliance

0005" per side

Plain Linear Bearing - FMN25 25mm Open RST but the TWN blocks areOpen plain linear bearing with a 25mm ISO Metric precision ID which has a 0. 0005" running clearance per side on round shafts. The open shell design provides clearance for rail supported shafting or profiled rails, while the bonded, self lubricating FrelonGOLD liner facilitates maintenance free linear, rotational, and oscillating motion without grease. Built for harsh environments where extreme temperatures, dirt, welding splatter, vibration, shock