6004-2NSENR Nachi Bearing 20x42x12 Sealed C3 Snap Ring Japan Ball Bearings
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6004-2NSENR Nachi Bearing, Made in Japan, with a Snap Ring, here are the dimensions of the 6004-2NSENR, the 6004-2NSENR inner diameter is 20mm, the 6004-2NSENR outer diameter is 42mm, 6004-2NSENR width is 12mm.
Excellent Protection and Smooth Operation
The combination of a unique lip design and seal groove provides a labrinth and steady seal contact.Breathing mechanism avoids torque increases caused byinternal pressure variation due to changes in operating temperatures.NSE seals allow NACHI bearings to have constant smooth operation and long service life.
Rings and balls made of select material have superbly controlled accuracy such as roundness, contour,surface finish, and hardness to provide quieter operation, reduced vibration levels, and long life.Rivet-type pressed steel cages for strength and durability.High-performance grease for long life and low noise.