STEPPED CENTER PINS
One-step center pin
Taperless one-step center pin
A
B
C
D
E
Step
Step
Step
Step
Step
Step B
Step C
Step D
Step E
Step
Shaft diameter
Shape
Step
Applicable ejector sleeve hole diameter (V) tolerance
Shape
Shaft diameter
Applicable ejector sleeve hole diameter (V) tolerance
Center pin shaft diameter tolerance
G
B
R
T
C
Shape
No processing
Shape
Shape
Shape
Shape
Center pin shaft diameter tolerance
C Shape
G Shape
T Shape
R Shape
B Shape
T
No processing
T
L
L
E Tip shape part (A,V) tolerance ± 0.02 (Representative tolerance)
E Tip shape part (A,V) tolerance ± 0.01 (Representative tolerance)
E Tip shape part (A,V) tolerance ± 0.005 (Representative tolerance)
Tip shape part (A) 0
−0.02 tolerance Tip shape part (A) 0
–0.01 tolerance Tip shape part (A) 0
Shaft diameter (D) selection type
Shaft diameter (P) designation type
Shaft diameter (D) selection type
Shaft diameter (P) designation type
Shaft diameter (D) selection type
Shaft diameter (P) designation type
−0.005 tolerance Shaft diameter (P) designation type
Flange thickness (T)
Shaft diameter Tolerance
M material
Shaft diameter (D) selection type
Shaft diameter (P) designation type
Shaft diameter (D) selection type
Shaft diameter (P) designation type
Shaft diameter (D) selection type
Shaft diameter Tolerance
Flange thickness (T)
+ 0.005 0 + 0.01 0 or H7
P. 289 CPHG–5 □ P. 291 CPHGE–5 □ P. 289 CPHJG–5 □ P. 291 CPHJGE–5 □ P. 307 CPNKG–5 □ P. 307 CPJKG–5 □ P. 315 CPPG–5 □ P. 315 CPDKG–5 □
P. 289 CPVG–5 □ P. 291 CPVGE–5 □ P. 289 CPVJG–5 □ P. 291 CPVJGE–5 □
P. 293 P. 295 P. 293 P. 295
P. 293 CPV–5 □ P. 295 CPVE–5 □ P. 293 CPVJ–5 □ P. 295 CPVJE–5 □
0 –0.005
0 –0.005
CPH–5 □
M material
–
–
4 mm (T4)
+ 0.005 0
P. 299 P. 299 P. 299 P. 299
P. 297 CPVSG–5 □ P. 297 CPVSGE–5 □ P. 297 CPVSJG–5 □ P. 297 CPVSJGE–5 □
P. 297 CPHSG–5 □ P. 297 CPHSGE–5 □ P. 297 CPHSJG–5 □ P. 297 CPHSJGE–5 □
P. 299 CPVS–5 □ P. 299 CPVSE–5 □ P. 299 CPVSJ–5 □ P. 299 CPVSJE–5 □
0 –0.005
0 –0.005
CPHS–5 □
P. 291 CPXGE–5 □
P. 295 CPHE–5 □
–0.01 –0.02
–
–
–0.01 –0.02
CPXE–5 □
4 mm (T4)
SKH51
+ 0.01 0 or H7
–0.01 –0.02
–0.01 –0.02
CPHSE–5 □
+ 0.005 0 + 0.01 0 or H7 + 0.01 0 or H7 + 0.005 0 + 0.01 0 or H7
0 –0.005
–
–
0 –0.005
CPHJ–5 □
–
–
4/6/8 mm (JIS)
SKH51
+ 0.005 0
0 –0.005
0 –0.005
CPHSJ–5 □
P. 291 CPXJGE–5 □ P. 307 CPNG–5 □ P. 307 CPJG–5 □
P. 295 CPHJE–5 □ P. 309 CPNK–5 □ P. 309 CPJK–5 □
–0.01 –0.02
–
–
–0.01 –0.02
CPXJE–5 □
6/8 mm (JIS)
+ 0.01 0 or H7 + 0.01 0 or H7
4 mm (T4)
–0.01 –0.02
–0.01 –0.02
CPHSJE–5 □
P. 309 P. 309 P. 317 P. 317
–
–
CPN–5 □
SKD61 + Nitriding
–
–
Representative tolerance
–0.01 –0.02
4 mm (T4)
–0.01 –0.02
4/6/8 mm (JIS)
CPNS–5 □ P. CPJS–5 □ P.
P. 313 P. 313
311 CPNSG–5 □ 311 CPJSG–5 □
SKD61 + Nitriding
–
–
–
–
CPJ–5 □
Representative tolerance
–
–
–0.01 –0.02
6/8 mm (JIS)
–0.01 –0.02
– – E Shaft diameter tolerance and tip shape tolerance values are representative ones. For details, refer to the Catalog page of each product. – –
0 –0.005
0 –0.005
CPP–5 □
–
–
–
–
4 mm (T4)
SKD61
P. 315 CPDG–5 □
P. 317 CPDK–5 □
–0.01 –0.02
–0.01 –0.02
CPD–5 □
–
–
E Shaft diameter tolerance and tip shape tolerance values are representative ones. For details, refer to the Catalog page of each product.
■ One-step center pin ・ Taperless one-step center pin selection method
One-step center pin
Stepped one-step center pin
Shape Step Step shape Tip shape
Shape Step Step shape Tip shape
Step A
Step B
Step C
Step D
Step E
Applicable ejector sleeve hole diameter (V) tolerance
Tip diameter (P) tolerance
T
Step
L
Flange thickness (T)
Tip diameter (P) Tolerance
E Tip shape part (A,V) tolerance ± 0.02 (Representative tolerance)
E Tip shape part (A,V) tolerance ± 0.01 (Representative tolerance)
E Tip shape part (A,V) tolerance ± 0.005 (Representative tolerance)
M material
CP □ (E) –5 □□ CP □ G (E) –5 □□
Shaft diameter (D) selection type
F
F
4 mm (T4)
+ 0.005 0 + 0.005 0 + 0.01 0 or H7
CPHB–5 □ CPHBJ–5 □
CPVB–5 □ CPVBJ–5 □
0 –0.005 0 –0.005
–
P.303
P.303
Shaft Diameter (P) designation type
L
L
0 –0.005
SKH51
4/6/8 mm (JIS)
–
P.303
P.303
Material/Tolerance codes
Tip shape code
Step-type shape code
4 mm (T4)
CPNB–5 □ CPJB–5 □
SKD61 + Nitriding
–
–
Representative tolerance
–0.01 –0.02
One-step center pin Taperless one-step center pin Tip shape part (A,V) tolerance Tip shape part (A) tolerance ± 0.02 ± 0.01 ± 0.005 0 –0.01 0 –0.05
＊＊
Step Step type shape
Shape Tip shape
4/6/8 mm (JIS)
–0.01 –0.02
Shaft diameter Tolerance
Flange thickness (T)
–
–
M material
A
x Taperless one-step center pins are not applicable.
＊ Web-only products E Shaft diameter tolerance and tip shape tolerance values are representative ones. For details, refer to the Catalog page of each product.
0 –0.005
Not processed C
H
V
HS VS
–
4 mm (T4)
–0.01 –0.02
XE HE VE HSE VSE
SKH51
B
0 –0.005
HJ
VJ
HSJ VSJ
–
4/6/8 mm (JIS)
(C chamfered)
T
Applicable ejector sleeve hole diameter (V) tolerance
Step A
Step B
Step C
Step D
–0.01 –0.02
Step E
Step
XJE HJE VJE HSJE VJE
L
Center pin shaft diameter tolerance
G
4 mm (T4)
SKD61 + Nitriding
N NK
NS
Representative tolerance
–
–
C
(Cone)
–0.01 –0.02
4/6/8 mm (JIS)
J
JK
JS
–
–
T
T
Step
0 –0.005
L
P
–
–
–
–
4 mm (T4)
45 °
SKD61
(Tapered)
Flange thickness (T)
Shaft diameter Tolerance
D
Two-step center pin
Stepped two-step center pin
–0.01 –0.02
D DK
M material
–
–
–
R
E Shaft diameter tolerance and tip shape tolerance values are representative ones. For details, refer to the Catalog page of each product.
+ 0.005 0
C □ H5 □
C □ HB5 □
0 –0.005
0 –0.005
P.301
P.305
(R chamfered)
4 mm (T4)
E
SKH51
B (Spherical processed)
+ 0.01 0 or H7
C □ HE5 □
–0.01 –0.02
–0.01 –0.02
–
P.301
285
286
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