[Thomson Linear] 521U25ARL3000

IKO Bearing LM81517NAJ Adjustable Clearance Linear Bushing, Metric Series, 8 mm Inside Diameter, 15 mm Outside Diameter, High Carbon Steel Made, Synthetic Resin Retainer, Without Seal

IKO Bearing LM61219N Standard Type Linear Bushing, Metric Series, 6 mm Inside Diameter, 12 mm Outside Diameter, High Carbon Steel Made, Synthetic Resin Retainer, Without Seal