A=Internal Design Differs From Standard One. ZZ=(2Z-SKF)=Two Metallic Shields. M=Machined Brass Cage, Located On The Rolling Elements. C2=Bearing Internal Clearance Smaller Than Normal. ER=
Inner (d) Inch
Outer (D) Inch
Width (B) Inch
Description from Medias
Manufacturer Part Number (MPN)
684A ZZ M C2 ER
Bore
C - Cylindrical Bore
Seal
ZZ/2Z - Steel Seal on Two Sides
Cage Type
M - Brass Cage
External Modification
No External Modification
Radial Internal Play
C2 Internal Play (Less than Cn)
Precision
Standard Precision
Heat Stabilization
Standard Lubrication
Special Treatment
No Heat Stabilization - Temperatures up to 120°C