Bearings
Is_customized : Yes
Material : Chrome Steel GCr15
Model Number : F12-21M
Bearing Material : Chrome Steel GCr15
Ball Material : Chrome Steel GCr15
Model : F12-21M
Sizes : 12X21X5 mm
Grade : ABEC-7
Bearing Type : Ball Bearing
Inner Diameter : 12 mm
Out Diameter : 21 mm
Width : 5 mm