SKF Single Row Angular Contact Ball Bearing Suffix Meaning
A: The contact angle is 30 degrees
AC: The contact angle is 25 degrees
B: The contact angle is 40 degrees
CA: General-purpose bearing in back-to-back or face-to-face configuration.
Bearing axial clearance is smaller than the normal group
CB: General-purpose group bearings in the back-to-back or face-to-face configuration.
Bearing axial clearance is the normal group
CC: universal matching bearings in the back-to-back or face-to-face configuration.
Bearing axial clearance is greater than the normal group
(CB) DB: two back-to-back paired bearings
DF: Two bearings that are paired face-to-face
DT: Two bearings that are paired in series
E: Optimized internal design
F: Machined steel cage
GA: Universally matched bearings, with light preload in back-to-back or face-to-face configuration
GB: Universally matched bearings, with preload in back-to-back or face-to-face configuration
GC: Universally matched bearings, with heavy preload in back-to-back or face-to-face configuration
J: Stamped steel cage, steel ball guide
M: Machine cut yellow Copper cage with steel ball guide, different designs add a number after M, such as M1
N1: outer ring with one positioning groove
N2: outer ring with two positioning grooves and 180 degrees to each other
P: injection glass fiber reinforced nylon 6, 6 cage with steel ball guide
P5: dimensional accuracy and rotation accuracy comply with ISO tolerance level 5
P6: dimensional accuracy and rotation accuracy comply with ISO tolerance level 6
W64: bearing filled with solid oil
Y: window stamped brass cage with steel ball guide.
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