608ZZ 8x22x7 Shielded Greased Miniature Ball Bearings

ABEC RATING: ABEC1 Ball Diameter: 3.969 Ball Grade: 10 Ball Material: AISI 52100 Chrome Steel Number Of Balls: 7 Bearing Material: AISI 52100 Chrome Steel # Of Shields: 2 Inside Diameter: 8mm Outside Diameter: 22mm Width: 7mm Basic Load: 1370 N Dynamic Load: 3300 N Working Temperature: -20 to 120 C RPM w/ Grease: 33,000 RPM w/ Oil: 39,000 Chrome steel ball bearing for durability and resistance to deformity under heavy loads. There are a total of 7 balls of grade 10. The shield protects the working parts of the bearing that can reduce lifespan and the ball bearing speed. The ball diameters are 3.969. There are a total of 2 shields in this bearing.