NRG Motion 618/4 Ball Bearing
NRG Motion
The 618/4 Ball Bearing is a miniature deep groove ball bearing designed for high-speed, low-friction performance. With compact dimensions of 4x9x2.5 mm, it offers excellent load capacity (0.53 kN dynamic, 0.18 kN static) and can operate at speeds up to 72,000 rpm. This bearing is ideal for applications requiring precision and minimal space, such as electric motors, measuring devices, and small mechanical systems.
Inner Diameter (d) (mm): 4
Outer Diameter (D) (mm): 9
B (mm): 2.5
Dynamic Load (C, kN): 0.53
Static Load (C₀, kN): 0.180
Limiting Speed (Grease, rpm): 65025
Limiting Speed (Oil, rpm): 76500
Product net weight (kg): 0.0007
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