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DESIGNATION
Designation
COVER
End cover
DD
d - Bore diameter
mm
DD1
d1 - Shoulder diameter inner ring
mm
DD2
d2 - Outside diameter locking ring
mm
DA
Da - Centring diameter
mm
HA
Ha - Groove height for backseal
mm
A
A - Overall width
mm
A1
A1 - Width of location slot
mm
A2
A2 - Width of flange in which location slot is provided
mm
A5
A5 - Standout of end cover
mm
B
B - Width inner ring
mm
B1
B1 - Overall bearing width
mm
B4
B4 - Distance from locking device side face to thread centre
mm
H
H - Overall height
mm
H1
H1 - Distance between botoms of location slot
mm
H2
H2 - Height of attachment end
mm
L
L - Overall length
mm
L1
L1 - Distance from attachment end face to centreline of spherical seat diameter
mm
L2
L2 - Length attachment end
mm
L3
L3 - Length of locations slot
mm
N
N - Diameter of attachment bolt hole
mm
N1
N1 - Length of attachment slot
mm
N2
N2 - Height of attachment slot
mm
G
G - Thread size attachement end
G1
G1 - Thread length
mm
SS1
s1 - Distance from locking device side face to raceway centre
mm
RG
RG - Housing thread for the grease fitting
R1
R1 - Axial position of the housing thread
mm
RALPHA
Rα - Angular position of the housing thread
deg
DN
DN - Diameter of head sphere of grease fitting
mm
SWN
SWn - Hexagonal key size for the grease fitting
mm
GN
GN - Thread of the grease fitting
mm
LOAD1
C - Basic dynamic load rating
kN
LOAD2
C0 - Basic static load rating
kN
LOAD3
Pu - Fatigue load limit
kN
SPEED1
Limiting speed
MASS
Mass
kg
G2
G2 - Grub (set) screw
HKSGS
N - Hexagonal key size for grub screw
RTTGS
Recommended tightening torque for grub screw
HOUSING
Housing designation
BEARING
Bearing Designation
ECALG
End cover
BS
Back seal
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