フルセラミック玉軸受17x40x12 Si3N4 2RS、Sealed 。窒化ケイ素ベアリングは、高速・低摩擦、耐食性、非磁性、非導電性を備え、CNC 、ロボット工学、精密機器に最適です。
✔️ Sealed ceramic bearing with Si3N4 races, 17x40x12 mm
This full ceramic bearing uses silicon nitride balls and races for exceptional hardness, low friction, and corrosion resistance. It's ideal for precision machinery, clean-room work, CNC spindles, robotics, and other applications where lightweight, stiffness, and durability matter.
✅ Type: Full ceramic sealed bearing with Si3N4 balls and races
✅ Cage: PTFE
✅ Dimensions: ID 17 mm, OD 40 mm, width 12 mm
✅ Material: Si3N4 ceramic for balls and races; PTFE cage
✅ Seals: 2RS rubber seals for protection
✅ Pack: 1 bearing
💡 What is a sealed ceramic bearing used for in precision machinery? This handy bearing reduces friction and extends service life in challenging setups. - Handheld devices and robotics where smooth operation matters - CNC spindles and automation requiring reliable, low-friction performance - Wet or corrosive environments where ceramic materials resist corrosion