Triple-Lip Sealed Bearings for Bearing Units

Ball bearing units consist of an insert bearing mounted in a housing. An insert bearing is a deep groove ball bearing with a sphered (convex) outside surface and an extended inner ring that includes a mechanism to lock the unit onto the shaft.

These reliable triple-sealed bearings are dustproof and waterproof.

They ensure a longer bearing life even when exposed to heavy airborne dust and splashes of foul water.



Triple-Lip Sealed Bearings for Bearing Units

Bearing: UC206D1 Standard type, LLJ (low-torque type), LLS (high-torque type)
Rotational speed: 800 min-1
Load: None (belt tension only)
Test mode: Intermittent operation (6 hrs. run / 6 hrs. stop = 1 cycle) 
Test equipment: muddy water test equipment
Muddy water specification : JIS Z8901 Kanto Loam Class 8
Dust to water mixture ratio : 1:10 (ratio by weight) 
Quantity of muddy water : Outer ring immersion degree 1/4 to 1/3
Termination conditions: Muddy water leakage from bearing, bearing seizure,
0.6 G vibration when operating

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