Motor shafts / stepped on one side / machining selectable

Part Number

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the corresponding part number is displayed here.

Dimensional Drawing

Driving Shaft - One End Stepped: Related Image

[ ! ]LA ≤ L/2
[!] The shaft may have centering holes on ends.
[!] There is an undercut 1.5 mm or less in width and 0.3 mm or less in depth on the stepped part.
[!] Step P of KZBE has no grinding undercut. Step R = 0.2 or Less

DTolerance
h7h6
100
-0.015
0
-0.009
120
-0.018
0
-0.011
15
17
200
-0.021
0
-0.013
25
30
350
-0.016
40
45
50
DCircularity M
KZBEOthers
100.0040.003
12
150.005
17
20
250.0060.005
30
35
40
45
50
 
TypeD, P ToleranceConcentricityPerpendicularity[M] Material[H]Hardness[S] Surface Treatment
KZBEh7⌀0.05⊥0.05EN 1.1191 Equiv.Black Oxide
KZBNh6⌀0.01⊥0.01EN 1.1191 Equiv.
KZBCBlack Oxide
KZBPElectroless Nickel Plating
KZBFEN 1.1191 Equiv.Induction Hardened
Surface Hardness 50HRC or more

Specification Table

Part NumberLPLA
KZBN30320P25LA40
Part Number0.5 mm Increments1 mm Increments0.5 mm Increments
TypeDLPLA
KZBE
(D10 to 30)

KZBN
KZBC
KZBP
KZBF
1050.0 to 300.07 to 910.0 to 50.0
127 to 11
15100.0 to 400.010 to 1410.0 to 70.0
1710 to 16
2014 to 1910.0 to 100.0
25100.0 to 500.014 to 24
3020 to 2920.0 to 150.0
* 3520 to 34
* 40200.0 to 500.020 to 39
* 4520 to 44
* 5025 to 4920.0 to 200.0
[!] * marked sizes are not available for KZBE.

Alterations

Part NumberLPLA(MA, NA, KA, TA, SA, WA, etc.)
KZBN40300P30LA100MSA15 - MSD20 - MSB20 - KA5 - HA20 - KB25 - HB30 - KC65 - HC30
AlterationsCodeSpec.
Left EndRight End

Threaded Ends

Driving Shaft - One End Stepped: Related Image
MA
MSA
MMA

MD
MSD
MMD
MB
MSB
MMB

Adds threads at shaft ends. Specify the length of the threads. (Accuracy, coarse or fine threads differ depending on the current ordering code.)
Ordering Code MA15-MSB15 1 mm Increments 5 ≤ Thread Length ≤ M × 5, LA-2

 
CodeScrew Accuracy
Left EndRight End
MAMDMBCoarseJIS 6h (Class 2)
MSAMSDMSBFine (Standard Grade)JIS 6h (Class 2)
MMAMMDMMBFine (Precision Grade)JIS 4h (Class 1)

[!] When D,P = M, thread length can be specified.
[NG] Fine (Precision Grade) is not available for KZBE.

M (Coarse)PitchM (Fine)PitchM (Fine)Pitch
M81.25M80.75M251.5
M101.5M100.75M301.5
M121.75M121.0M351.5
M202.5M151.0M401.5
M243M171.0M451.5
M303.5M201.0M501.5
M364    

Tapped Ends

Driving Shaft - One End Stepped: Related Image
NANB

Adds taps on shaft ends. Select the thread diameter.
Ordering Code NA5-NB5 [!] NA,NB ≤ D (P)-4

NA (Coarse), NB (Coarse)
Selection
M3 M4 M5 M6 M8
M10 M12 M16 M20
M24

Retaining Ring Groove

Driving Shaft - One End Stepped: Related Image
TA
TC
TB
Adds a retaining ring groove. Specify the position of a retaining ring groove.
Ordering Code TA10 - TB10 - TC10
TA, TB, TC = 1 mm Increments 4 ≤ TA ≤ LA - 3
[!] Retaining rings are included.

[ NG ]P = 27,31,33,34,36 to 39,41 to 44,
Not available for 46 to 49.

P = 7,8: Retaining Ring Type E P ≥ 9, D ≥ 10: Retaining Ring Type C

Driving ShaftsRetaining Ring
[M] Material[H]Hardness[S] Surface Treatment[M] Material
EN 1.1191 Equiv.Spring Steel
Black Oxide
Electroless Nickel PlatingEN 1.4301 Equiv. (CSP)
Surface 50HRC or moreSpring Steel

Keyway Machining

Driving Shaft - One End Stepped: Related Image
KA
KB
KC
Adds a keyway. Specify the position and the length of the keyway.
Ordering Code KA10-HA30-KB100-HB50
KA, HA, KB, HB, KC, HC = 1 mm Increments
[ ! ]3 ≤ HA,HB,HC ≤ 100
[!]When more than 2 keyways are added, the tolerances may shift by up to 0.2°.
[!] Specify the keyway position more than 2 mm away from the stepped part.

Keyway Machining + Set Screw Flat

Driving Shaft - One End Stepped: Related Image
ZA
ZB
ZC

Adds a flat at any designated angle based on the keyways. Specify the position and the length for each keyway, and the angle for the set screw flats.
Ordering CodeZA40-HA20-AA90
ZA, HA, ZB, HB, ZC, HC = 1 mm Increments AA, AB, AC = 30° Increments 30° ≤ AA, AB, AC ≤ 330°
[!] 3 ≤ HA, HB, HC ≤ 100 [!]Specify the keyway position more than 2 mm away from the stepped part.

·Specification Code

Keyway
Position Specified
Keyway
Width Specified
Angle Configurable
30° Increments
ZAHAAA
ZBHBAB
ZCHCAC
D·P7 to 1718 to 4041 to 50
H123

[!] The length of each set screw flat is the same as that of each keyway.
[!] For a keyway and the angle of a set screw flat, the tolerances may shift by up to ± 0.2°.

Wrench Flats

Driving Shaft - One End Stepped: Related Image
SA
SC

Adds wrench flats. Specify the position of a wrench flat.
Ordering Code SA5 SA,SC = 1 mm Increments 0 ≤ SA, SC ≤ LA - ℓ,L - ℓ

 
D1012151720253035404550
W810131417222730363841
8101520
 
P78 to 1011 to 1314 to 1516 to 1819 to 2122 to 2526 to 2829 to 3132 to 3738 to 4142 to 4546 to 49
W15.571013141719222730363841
8101520

2 Set Screw Flats (Angle Specified)

Driving Shaft - One End Stepped: Related Image
WA
WB
WC

Adds a flat at any designated angle besides the datum plane 0°.
Specify the position, the length and the angle of the set screw flats. When 0° is specified, only one set screw flat is machinable.
Ordering Code WA15-GA10-AA0
WA, WB, WC, GA, GB, GC = 1 mm Increments AA, AB, AC = 30° Increments, 0° ≤ AA, AB, AC ≤ 330°

·Specification Code

Set Screw Flat
Position Specification
Set Screw Flat
Width Specification
Angle Configurable
30° Increments
WAGAAA
WBGBAB
WCGCAC
D·P7 to 1718 to 4041 to 50
H123

·About KZBF (Induction Hardened)

When alterations on the above are specified,
the shafts are induction hardened after machining. (Except the threaded sections)
As a result, these may occur:
(1): Due to thermal conduction to the thread, the threads may be hardened by 2 to 3 mm. (2): Induction Hardened may shrink the keyway width (Around -0.01 to -0.02)
If the key becomes hard to fit, adjust it by gauging.

Part Number:  

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Part Number
KZBC10-[50-300/0.5]-P[7-9/1]-LA[10-50/0.5]
KZBC12-[50-300/0.5]-P[7-11/1]-LA[10-50/0.5]
KZBC15-[100-400/0.5]-P[10-14/1]-LA[10-70/0.5]
KZBC17-[100-400/0.5]-P[10-16/1]-LA[10-70/0.5]
KZBC20-[100-400/0.5]-P[14-19/1]-LA[10-100/0.5]
KZBC25-[100-500/0.5]-P[14-24/1]-LA[10-100/0.5]
KZBC30-[100-500/0.5]-P[20-29/1]-LA[20-150/0.5]
KZBC35-[100-500/0.5]-P[20-34/1]-LA[20-150/0.5]
KZBC40-[200-500/0.5]-P[20-39/1]-LA[20-150/0.5]
KZBC45-[200-500/0.5]-P[20-44/1]-LA[20-150/0.5]
KZBC50-[200-500/0.5]-P[25-49/1]-LA[20-200/0.5]
KZBE10-[50-300/0.5]-P[7-9/1]-LA[10-50/0.5]
KZBE12-[50-300/0.5]-P[7-11/1]-LA[10-50/0.5]
KZBE15-[100-400/0.5]-P[10-14/1]-LA[10-70/0.5]
KZBE17-[100-400/0.5]-P[10-16/1]-LA[10-70/0.5]
KZBE20-[100-400/0.5]-P[14-19/1]-LA[10-100/0.5]
KZBE25-[100-500/0.5]-P[14-24/1]-LA[10-100/0.5]
KZBE30-[100-500/0.5]-P[20-29/1]-LA[20-150/0.5]
KZBF10-[50-300/0.5]-P[7-9/1]-LA[10-50/0.5]
KZBF12-[50-300/0.5]-P[7-11/1]-LA[10-50/0.5]
KZBF15-[100-400/0.5]-P[10-14/1]-LA[10-70/0.5]
KZBF17-[100-400/0.5]-P[10-16/1]-LA[10-70/0.5]
KZBF20-[100-400/0.5]-P[14-19/1]-LA[10-100/0.5]
KZBF25-[100-500/0.5]-P[14-24/1]-LA[10-100/0.5]
KZBF30-[100-500/0.5]-P[20-29/1]-LA[20-150/0.5]
KZBF35-[100-500/0.5]-P[20-34/1]-LA[20-150/0.5]
KZBF40-[200-500/0.5]-P[20-39/1]-LA[20-150/0.5]
KZBF45-[200-500/0.5]-P[20-44/1]-LA[20-150/0.5]
KZBF50-[200-500/0.5]-P[25-49/1]-LA[20-200/0.5]
KZBN10-[50-300/0.5]-P[7-9/1]-LA[10-50/0.5]
KZBN12-[50-300/0.5]-P[7-11/1]-LA[10-50/0.5]
KZBN15-[100-400/0.5]-P[10-14/1]-LA[10-70/0.5]
KZBN17-[100-400/0.5]-P[10-16/1]-LA[10-70/0.5]
KZBN20-[100-400/0.5]-P[14-19/1]-LA[10-100/0.5]
KZBN25-[100-500/0.5]-P[14-24/1]-LA[10-100/0.5]
KZBN30-[100-500/0.5]-P[20-29/1]-LA[20-150/0.5]
KZBN35-[100-500/0.5]-P[20-34/1]-LA[20-150/0.5]
KZBN40-[200-500/0.5]-P[20-39/1]-LA[20-150/0.5]
KZBN45-[200-500/0.5]-P[20-44/1]-LA[20-150/0.5]
KZBN50-[200-500/0.5]-P[25-49/1]-LA[20-200/0.5]
KZBP10-[50-300/0.5]-P[7-9/1]-LA[10-50/0.5]
KZBP12-[50-300/0.5]-P[7-11/1]-LA[10-50/0.5]
KZBP15-[100-400/0.5]-P[10-14/1]-LA[10-70/0.5]
KZBP17-[100-400/0.5]-P[10-16/1]-LA[10-70/0.5]
KZBP20-[100-400/0.5]-P[14-19/1]-LA[10-100/0.5]
KZBP25-[100-500/0.5]-P[14-24/1]-LA[10-100/0.5]
KZBP30-[100-500/0.5]-P[20-29/1]-LA[20-150/0.5]
KZBP35-[100-500/0.5]-P[20-34/1]-LA[20-150/0.5]
KZBP40-[200-500/0.5]-P[20-39/1]-LA[20-150/0.5]
KZBP45-[200-500/0.5]-P[20-44/1]-LA[20-150/0.5]
KZBP50-[200-500/0.5]-P[25-49/1]-LA[20-200/0.5]
Part NumberMinimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSHardness Surface Treatment Shaft Dia. D
(mm)
Shaft Tolerance L
(mm)
LA
(mm)
P
(mm)
1 16 Days 10No Hardened[Surface Treatment Provided] Black Oxide10h650 ~ 30010 ~ 507 ~ 9
1 16 Days 10No Hardened[Surface Treatment Provided] Black Oxide12h650 ~ 30010 ~ 507 ~ 11
1 16 Days 10No Hardened[Surface Treatment Provided] Black Oxide15h6100 ~ 40010 ~ 7010 ~ 14
1 16 Days 10No Hardened[Surface Treatment Provided] Black Oxide17h6100 ~ 40010 ~ 7010 ~ 16
1 16 Days 10No Hardened[Surface Treatment Provided] Black Oxide20h6100 ~ 40010 ~ 10014 ~ 19
1 16 Days 10No Hardened[Surface Treatment Provided] Black Oxide25h6100 ~ 50010 ~ 10014 ~ 24
1 16 Days 10No Hardened[Surface Treatment Provided] Black Oxide30h6100 ~ 50020 ~ 15020 ~ 29
1 16 Days 10No Hardened[Surface Treatment Provided] Black Oxide35h6100 ~ 50020 ~ 15020 ~ 34
1 16 Days 10No Hardened[Surface Treatment Provided] Black Oxide40h6200 ~ 50020 ~ 15020 ~ 39
1 16 Days 10No Hardened[Surface Treatment Provided] Black Oxide45h6200 ~ 50020 ~ 15020 ~ 44
1 16 Days 10No Hardened[Surface Treatment Provided] Black Oxide50h6200 ~ 50020 ~ 20025 ~ 49
1 9 Days 10No HardenedNo Surface Treatment10h750 ~ 30010 ~ 507 ~ 9
1 9 Days 10No HardenedNo Surface Treatment12h750 ~ 30010 ~ 507 ~ 11
1 9 Days 10No HardenedNo Surface Treatment15h7100 ~ 40010 ~ 7010 ~ 14
1 9 Days 10No HardenedNo Surface Treatment17h7100 ~ 40010 ~ 7010 ~ 16
1 9 Days 10No HardenedNo Surface Treatment20h7100 ~ 40010 ~ 10014 ~ 19
1 9 Days 10No HardenedNo Surface Treatment25h7100 ~ 50010 ~ 10014 ~ 24
1 9 Days 10No HardenedNo Surface Treatment30h7100 ~ 50020 ~ 15020 ~ 29
1 18 Days 10-No Surface Treatment10h650 ~ 30010 ~ 507 ~ 9
1 18 Days 10-No Surface Treatment12h650 ~ 30010 ~ 507 ~ 11
1 18 Days 10-No Surface Treatment15h6100 ~ 40010 ~ 7010 ~ 14
1 18 Days 10-No Surface Treatment17h6100 ~ 40010 ~ 7010 ~ 16
1 18 Days 10-No Surface Treatment20h6100 ~ 40010 ~ 10014 ~ 19
1 18 Days 10-No Surface Treatment25h6100 ~ 50010 ~ 10014 ~ 24
1 18 Days 10-No Surface Treatment30h6100 ~ 50020 ~ 15020 ~ 29
1 18 Days 10-No Surface Treatment35h6100 ~ 50020 ~ 15020 ~ 34
1 18 Days 10-No Surface Treatment40h6200 ~ 50020 ~ 15020 ~ 39
1 18 Days 10-No Surface Treatment45h6200 ~ 50020 ~ 15020 ~ 44
1 18 Days 10-No Surface Treatment50h6200 ~ 50020 ~ 20025 ~ 49
1 16 Days 10No HardenedNo Surface Treatment10h650 ~ 30010 ~ 507 ~ 9
1 16 Days 10No HardenedNo Surface Treatment12h650 ~ 30010 ~ 507 ~ 11
1 16 Days 10No HardenedNo Surface Treatment15h6100 ~ 40010 ~ 7010 ~ 14
1 16 Days 10No HardenedNo Surface Treatment17h6100 ~ 40010 ~ 7010 ~ 16
1 16 Days 10No HardenedNo Surface Treatment20h6100 ~ 40010 ~ 10014 ~ 19
1 16 Days 10No HardenedNo Surface Treatment25h6100 ~ 50010 ~ 10014 ~ 24
1 16 Days 10No HardenedNo Surface Treatment30h6100 ~ 50020 ~ 15020 ~ 29
1 16 Days 10No HardenedNo Surface Treatment35h6100 ~ 50020 ~ 15020 ~ 34
1 16 Days 10No HardenedNo Surface Treatment40h6200 ~ 50020 ~ 15020 ~ 39
1 16 Days 10No HardenedNo Surface Treatment45h6200 ~ 50020 ~ 15020 ~ 44
1 16 Days 10No HardenedNo Surface Treatment50h6200 ~ 50020 ~ 20025 ~ 49
1 18 Days 10No Hardened[Surface Treatment Provided] Electroless Nickel Plating10h650 ~ 30010 ~ 507 ~ 9
1 18 Days 10No Hardened[Surface Treatment Provided] Electroless Nickel Plating12h650 ~ 30010 ~ 507 ~ 11
1 18 Days 10No Hardened[Surface Treatment Provided] Electroless Nickel Plating15h6100 ~ 40010 ~ 7010 ~ 14
1 18 Days 10No Hardened[Surface Treatment Provided] Electroless Nickel Plating17h6100 ~ 40010 ~ 7010 ~ 16
1 18 Days 10No Hardened[Surface Treatment Provided] Electroless Nickel Plating20h6100 ~ 40010 ~ 10014 ~ 19
1 18 Days 10No Hardened[Surface Treatment Provided] Electroless Nickel Plating25h6100 ~ 50010 ~ 10014 ~ 24
1 18 Days 10No Hardened[Surface Treatment Provided] Electroless Nickel Plating30h6100 ~ 50020 ~ 15020 ~ 29
1 18 Days 10No Hardened[Surface Treatment Provided] Electroless Nickel Plating35h6100 ~ 50020 ~ 15020 ~ 34
1 18 Days 10No Hardened[Surface Treatment Provided] Electroless Nickel Plating40h6200 ~ 50020 ~ 15020 ~ 39
1 18 Days 10No Hardened[Surface Treatment Provided] Electroless Nickel Plating45h6200 ~ 50020 ~ 15020 ~ 44
1 18 Days 10No Hardened[Surface Treatment Provided] Electroless Nickel Plating50h6200 ~ 50020 ~ 20025 ~ 49

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Specifications/Overview

■Selection of Driving Shaft
In selecting a driving shaft, select the basic shape and size from the specification table, then select necessary alterations such as thread machining, keyway addition etc.

 

[Selection Example of Part Number]
·Alteration Selection: Three keyways, Three Threaded Ends (Fine Thread)


 

Driving Shaft - One End Stepped: Related Image

[App. Example]

Driving Shaft - One End Stepped: Related Image

Basic information

Basic Shape One End Stepped Material EN 1.1191 Equiv.

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