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SKF bearing exterior design

2017-12-21
CA, CB, CC - universal paired single row angular contact ball bearings,optional (tandem, face to face or back-to-back) matching installation.http://www.alierbearings.com/brand/skf/index.html
When back-to-back or face to face arrangement, the internal clearance between the axial and pre-installation is lower than that of normal value: small (CA), normal (CB), larger (CC).
-2F - outer spherical ball bearing with a dust - retaining ring on both sides.
-2FF - the outer spherical ball bearing with a combination of the dusting ring on both sides.
G - universal matching single row Angle contact ball bearing.
In face to face or back-to-back arrangement, the bearing has a certain pre-load.
GA - face to face, back to back arrangement, bearing light preload.
GB - face to face, back to back arrangement, bearing medium preload.
GC - face to face, back to back arrangement, bearing heavy pre-load.
K -- tapered hole, taper 1:12.
K30 - conical hole, taper 1:30.
-LS - SKF bearing has a contact seal with no sealing grooves in the inner ring.
-2LS - SKF bearing two - bearing LS seal.
N -- the bearing outer ring has a stop slot.
NR - the bearing outer ring has a stop slot and a stop ring.
N2 - there are two diametral diameters in the outer ring Angle.
PP - SKF bearing (bearing roller bearing, CAM follower bearing) has contact seal on both sides.
RS - bearings (needle bearings) have a rubber or polyurethane contact seal on one side.
-RS1 - the bearing side has a rubber contact seal with a lining plate.
-2RS1 -SKF bearing two sides with RS1 seal.
-2RS -SKF bearing (needle roller bearing) has RS seal on both sides.
-RZ - SKFbearing a low friction seal with a rubber - lined rubber.
-2RZ - SKF bearing both sides have RZ seal.
X - 1. The basic dimensions are corrected to meet ISO standards;
2. Cylindrical rolling surface (supported roller bearing, CAM follower bearing).
Z - the bearing has a dust cover (non-friction seal).
-2Z - bearing both sides of the bearing cover.
-ZN - bearing has a dustproof cover on one side and a check slot on the other side.
-2zn - bearing both sides of the bearing cover, the outer ring has a stop slot.
-2nr -- -zn, with a stop ring.
-2znr -- -2zn with a stop ring.