Bearing Model Meaning - Suffix

ZZ: Indicates that the bearing has an iron dust cover on both sides

CM: Indicates the radial internal play of the motor

NS7: Indicates the grease label inside the bearing

S: Indicates the amount of grease filled inside the bearing

5: The packaging of the bearing is a commercial packaging attachment code

Z: Bearing one-sided steel cover dust cover

ZZ: Dust cover of steel plate on both sides of the bearing

V: Bearing one-sided rubber non-contact dust cover

VV: rubber non-contact dust cover on both sides of the bearing

DU: Bearing one-sided rubber contact dust cover

DDU: Rubber contact dust cover on both sides of the bearing

NR: Bearing jacket ring with radial positioning groove and positioning ring cage material and shape code

M: Copper alloy car cage

EM: Roller guide copper alloy car frame

EW: Roller Guide Just Hold

W: Ring guide steel cage

ET: Resin cage

TYN: Resin Cage

EA: Minding roller bearing steel S-type stamping cage

CD: Steel alloy cage

CA: Shape of copper alloy cage

AW: 30 degree angle contact bearing/steel cage

BW: 40 degree angle contact bearing/steel cage internal clearance code