Page 639 - MiSUMi 2025
P. 639
Ordering Part Number (1Type · 2D) - 3L - 4F - 5S - 6KA - 7A - 8KB - 9B - 0KC - QC
Example E-SFHKRR6 - 30 - F2 - S2 - KA6 - A3 - KB15 - B4
Ordering Part Number (1Type · 2D) - 3L - 4F - 5S - 6KA - 7A - 8KB - 9B - 0KC - QC - (SFC, UC…etc.)
Example
Alterations E-SFHKRR6 - 30 - F2 - S2 - KA6 - A3 - KB15 - B4 - - LKC
Specified
Code
Alterations Code Increments Ordering Specification
Example
Add 2 set H SFC·SG Add 2 set screw flats at any angle besides D H
Addition screw flats =1mm SFC10- the reference plane (0°). 3~5 0.5
of 2 Set at H 0° SFC increments SG3- E SG≤50 6~17 1
Screw specified AG AG120 XNot applicable to D2 and D2.5
Flats angle AG SFCSG increments E When combined with other alterations, a 18~40 2 3
=15°
50
phase difference of ±2° may occur.
Add slit cam grooves. D d L1 D d L1
EUC+L1≤L 3 2 8 7 4
Addition of UC UC=1mm UC10 EUC≥1 4 3 10 8
Slit Cam Groove d UC l1 increments XNot applicable to D2 and D2.5 5 4 4 12 10 5
XNot applicable to D13 or more 6 5
Change L dimension tolerance.
Change E L<500 C L±0.05
L Dimension LKC - LKC L≥500 C L±0.1 Servo Motors Stepper Motors /
Tolerance LKC XNot applicable to L800 or more.
Add wrench flats. P.06-005
ESC+L2≤LSC=0 or SC≥1 D W L2 D W L2
XNot applicable to D2~5 6 5 20·22 17 10
8
Addition of SC=1mm E Although the alterations are 10 7 8 8 25 22
30 27
Wrench Flat W SC l2 SC increments SC10 machined on the same straight 15 Couplings
axis, a phase difference of ±2 may 12·13 10 35 30
occur when the distance of the 15·16 13 10 40 36 20
alterations is over 500mm. 17·18 14 50 41 P.06-025
Change a chamfer on D part. Chamfer Corresponding Diameter
C Chamfer Chamfer 2-CD X Not applicable to D dimensions (CD) (D Dimension)
φ6~φ50
C2
CD
Dimension on CD =Selection CD2 other than those indicated in Bushings Keyless
φ8~φ50
Change D Part the table on the right C3 φ10~φ50
C4
C5 φ12~φ50
P.06-034
E When combined with other alterations, a phase difference of ±2° may occur. Maintain a clearance of at least 2mm between this
alteration and others.
E Although multiple keyways and set screw flats are machined on the same straight axis, a phase difference of ±2° may occur when the
total length is over 500mm. Shafts Rotary
QDetailed Keyway Dimensions
t
b
Shaft Dia. Reference Dimension Tolerance (N9) Reference Dimension Tolerance r P.06-037
b 6 2 -0.004 1.2 6
t 8·10 3 -0.029 1.8 +0.1 0.08~0.16
r 12 4 0 2.5 0
13~17 5 -0.03 3
18~22 6 3.5 0.16~0.25
25·30 8 0 4 Rotary Shafts Motors / Couplings /
35 10 -0.036 5 +0.2
40 12 0 5 0 0.25~0.4
50 14 -0.043 5.5
Retaining Ring Dimensions d D Retaining Ring H t
(Material: Stainless Steel) Tolerance Tolerance Tolerance Tolerance
JIS E Type 5 5 0 11 4.3 0 0.6
d -0.12 -0.3
±0.2 ±0.04
H 0 0
D t JIS E Type 7 7 -0.15 14 6.1 -0.35 0.8
Applicable Shaft
Retaining Ring Dimensions Retaining Ring
m
d2
n
d1
(Material: Stainless Steel) d3 Tolerance t Tolerance b (approx.) a (approx.) d0 (Min.)
b JIS C Type 10 9.3 ±0.15 1.6 3 1.2
JIS C Type 12 11.1 1.8 3.2 1.5
d3 JIS C Type 15 13.8 ±0.18 1 ±0.05 3.5
d0 t JIS C Type 17 15.7 2.2 3.7 1.7
a
JIS C Type 20 18.5 1.2 2.7 3.9
JIS C Type 25 23.2 ±0.2 ±0.06 3.1 4.3 2
d0 JIS C Type 30 27.9 1.5 3.5 4.8
Applicable Shaft
Rotary Shafts 06-052
d4 d2 m d2 d1
n

