Plain Linear Bearing - FMN12 12mm Open RST it is crafted from durable

it is crafted from durable S450J2 MOD

Precision running clearance: 0

the IPPS twin bearings feature two grease zerk fittings

Closed shell plain linear bearing with a JIS 6mm ID

Double Plain Linear Bearing of 40mm JIS Metric ID with an end-mounted square flange and a compensated running clearance of 0

Plain Linear Bearing - FMN12 12mm Open RST it is crafted from durableOpen plain linear bearing with a 12mm 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