Features Small Features: 1、LOW NOISE: Linear bearing is high speed, low friction, high torsion, low noise, which can let you have a quiet operating environment during the . 2、SMOOTH : High accuracy, smooth , linear bearing is a good replacement parts, can do sturdy and fit. 3、GCR15 BEARING STEEL: Linear ball bearing is made of Gcr15 bearing steel, heat treatment process, with sufficient hardness. 4、STRONG BEARING CAPACITY: Linear ball bearing is made of good details, high strength, strong bearing capacity, can be used in gear box, instrumentation, motors, household appliances, etc. 5、HARD TO GET HOT: Linear ball bearing is suitable for use in high demand places, not easy to get hot, to ensure your safety and stability in the process of use. Specification: Item Type: Round Linear Bearing Material: Gcr15 Bearing Steel Application: Bearing can be used in gear boxes, instruments, motors, household appliances, internal combustion engines, transportation vehicles, agricultural machinery, construction machinery, engineering machinery, etc. Package List: 1 x Round Linear Bearing Package List 1 x Round Linear Bearing