6711 ball bearings
6711 ball bearings
August 28, 2017
685 Bearings
685 Bearings
August 31, 2017

Miniature Ball Bearings Bearing 684

Miniature Ball Bearings Bearing 684
Miniature Ball Bearings Bearing 684

 

Miniature bearings refer to metric series, with outer diameter less than 9mm;Inch series, various bearings with outer diameter less than 9.525mm!The main materials are carbon steel, bearing steel, stainless steel, plastic, ceramics and so on, in which the smallest diameter can do 0.6mm, the general diameter of 1mm more.

Mainly types of Miniature bearings
682 682ZZ MR52 MR52ZZ 692 692ZZ 683 683ZZ MR83 MR83ZZ 693 693ZZ 603 603ZZ 623 623ZZ MR74 MR74ZZ MR84 MR84ZZ 684 684ZZ MR104 MR104ZZ 694 694ZZ 604 604ZZ 624 624ZZ MR85 MR85ZZ MR95 MR95ZZ MR105 MR105ZZ 685 685ZZ MR115ZZ 695ZZ 605ZZ 625ZZ MR106 MR106ZZ MR126 MR126ZZ 686 686ZZ 696ZZ 606ZZ 626ZZ MR117 MR117ZZ MR137 MR137ZZ 687 687ZZ 607ZZ 627ZZ MR128 MR128ZZ MR148 MR148ZZ 688 688ZZ 698ZZ 608ZZ MR149 MR149ZZ 689 689ZZ 609ZZ 629ZZ 639ZZ

Specification of Miniature Ball Bearings Bearing 684

Part Number 684 – L-940 Miniature Ball Bearings Bearing
Bore Dia (d) 4 mm
Outer Dia (D) 9mm
Width (B) 2.5mm
Bearing Type Shielded or Seal and Open are available.
Material 52100 Chrome steel, stainless steel and ceramic are available.
Dynamic Load Rating (Cr) (Newtons) 545
Static Load Rating (Cor) (Newtons) 182
Max Speed (Grease) (X1000 RPM) 53
Max Speed (Oil) (X1000 RPM) 63
Ball Qty 7
Ball Dia (Dw) 1.5880mm
Weight (g) (grams) 0.65
Note ABEC Grades 1, 3, 5, 7, and 9 are available. Also, the equivalent ISO classes.