688-2RS, 688-ZZ Ball Bearings, 8x16x5
BULK SALES
8 x 16 x 5
Model Chart-MetricMiniature-Model Chart.pdf
Your bearing might be numbered 688, 688 RS, 688 2RS, 688RS, 688 Z, 688 ZZ, 688-Z
These ball bearings are made of high quality Chrome Steel and are pre-lubricated with grease from the factory and are available in both RS (Rubber Seals) and ZZ (Metal Shields) configurations. The 688-2RS and 688-ZZ is a 8mm bore ball bearing that is found in many applications. The 688-2RS ball bearing has two contact rubber seals, one on each side of the ball bearing. The 688-ZZ bearing has two non-contact metal shields, one on each side of the ball bearing. If your application requires a 688 ball bearing with only one seal or shield you can simply remove one of the shields or seals. This 8mm bore ball bearing is a high quality product and can operate efficiently in many demanding applications.
Quality Benefits Include
·Textured Buna N Nitrile seals
·Wide temperature range Chevron SRI-2 (-20° to +350°F) lubrication
·Passes Noise Vibration Standard for low noise
·Designed for many types of applications
·Matched ABMA grade precision balls for roundness
·Finely honed super finished raceways for long life and low noise
·Meet or exceed ABEC 1 tolerances for high quality level
·Bulk packaged
Select either Rubber Seals or Metal Shields
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