KHK CD Catalog 3010 Corrections

Last updated:
CD Cotent Errors and Corrections Notes

Revision
Ver

The symbol in the diagram The symbol in the diagram at Total Runout Tolerance (Description)
Datum A --> D 		10.07.06 .
Bending strength of Ratchets rf: Tooth root radius mm --> rf: Tooth root radius m

Formula
rf=Outside dia. D-2h/2 --> rf=Outside dia. D-2h/2000 		10.07.06 .

Recalculation of Weight for all SV products

Weight of all SV products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all SVI products

Weight of all SVI products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all GC products

Weight of all GC products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all GC-I products

Weight of all GC-I products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all SRT/SRTB products

Weight of all SRT/SRTB products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all SRT-C products

Weight of all SRT-C products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all PG products

Weight of all Weight of all PG products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all DG products

Weight of all DG products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all SUW products

Weight of all SUW products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all CG products

Weight of all CG products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all BG products

Weight of all BG products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all SW products

Weight of all SW products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all SWG products

Weight of all SWG products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all AGF products

Weight of all AGF products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all AG products

Weight of all AG products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all KWG products

Weight of all KWG products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all KWGDL products

Weight of all KWGDL products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all KWGDLS products

Weight of all KWGDLS products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all AGDL products

Weight of all AGDL products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all AN products

Weight of all AN products was recalculated.

Please see here to find correct data.

10.04.26 .
Recalculation of Weight for all PN products Weight of all PN products was recalculated.

Please see here to find correct data. 		10.04.26 .

Recalculation of Weight for all SUN products

Weight of all SUN products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all SN products

Weight of all SN products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all DB products

Weight of all DB products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all PB products

Weight of all PB products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all SUB products

Weight of all SUB products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all SB products

Weight of all SB products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all SBS products

Weight of all SBS products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all MBSA,MBSB products

Weight of all MBSA,MBSB products was recalculated.

Please see here to find correct data.

10.04.26 .

Recalculation of Weight for all SBSG products

Weight of all SBSG products was recalculated.

Please see here to find correct data.

10.04.23 .

Recalculation of Weight for all MBSG products

Weight of all MBSG products was recalculated.

Please see here to find correct data.

10.04.23 .

Recalculation of Weight for all PM products

Weight of all PM products was recalculated.

Please see here to find correct data.

10.04.23 .

Recalculation of Weight for all DM products

Weight of all DM products was recalculated.

Please see here to find correct data.

10.04.23 .

Recalculation of Weight for all SUMA products

Weight of all SUMA products was recalculated.

Please see here to find correct data.

10.04.23 .

Recalculation of Weight for all SUM products

Weight of all SUM products was recalculated.

Please see here to find correct data.

10.04.23 .

Recalculation of Weight for all SAM products

Weight of all SAM products was recalculated.

Please see here to find correct data.

10.04.23 .

Recalculation of Weight for all SM products

Weight of all SM products was recalculated.

Please see here to find correct data.

10.04.23 .

Recalculation of Weight for all LM products

Weight of all LM products was recalculated.

Please see here to find correct data.

10.04.23 .

Recalculation of Weight for all MM products

Weight of all MM products was recalculated.

Please see here to find correct data.

10.04.23 .

Recalculation of Weight for all SMA,SMB,SMC products

Weight of all SMA,SMB,SMC products was recalculated.

Please see here to find correct data.

10.04.23 .

Recalculation of Weight for all SMS products

Weight of all SMS products was recalculated.

Please see here to find correct data.

10.04.23 .

Recalculation of Weight for all MMS products

Weight of all MMS products was recalculated.

Please see here to find correct data.

10.04.23 .

Recalculation of Weight for all MMSA,MMSB products

Weight of all MMSA,MMSB products was recalculated.

Please see here to find correct data.

10.04.23 .

Recalculation of Weight for all MMSG products

Weight of all MMSG products was recalculated.

Please see here to find correct data.

10.04.23 .

Recalculation of Weight for all ARL products

Weight of all ARL products was recalculated.

Please see here to find correct data.

10.04.23 .

Recalculation of Weight for all SRFDASRFK products

Weight of all SRFDASRFK products was recalculated.

Please see here to find correct data.

10.04.23 .
DS Products:
A' value of S8-shaped products
I value of S9-shaped products 		A' value of S8-shaped and I value of S9-shaped DS products were corrected.
See here to find the correction 		10.04.23 .
CG4-30R2/L2 Pitch Diameter 120.01 - > 121.01 10.04.13 .
Backlash for SI Products The change required when the design change was made for Spur Gear with module 1 (dated on 09/3/20), as the tooth thinning was equally changed to 0.04 to -0.09.

SI1-60, 0.11to 0.24 --> 0.10 to0.22
SI1-80, 0.11 to 0.24 --> 0.10 to0.22
SI1-100, 0.13 to 0.27 --> 0.12 to 0.25 		10.03.31 .
Table 13.6 Recommended Viscosity for Enclosed Gears Rotation of Pinion (RPM)
More than 100 - > More than 5000 		00.03.16 .
Surface Strength of Spline Equations and the symbols are corrected.
See here to find the correction 		00.03.15 .
Technical Reference (PDF) Page 619 Table 17.3 ƒΏb -> ƒΏw
ƒΓ@->@ƒΓƒΏ 		. .
CG4-60R1/L1 Weight@5.00 @->@6.56 . .
KHK Global Distribution Network The contact address of the distributor in Hong Kong has changed.

YUEN FAT STEEL GEAR CO.,LTD.

[ New Address ]
12 Floor, Man Shing Ind.Bldg., 301-311 Castle Peak Rd.,
Kwai Chung, New Territories, Hong Kong.

10.01.28 .
fz values for the Niemann formula fz values for the Niemann formula

Incorrect
fz values :NG
««

Corrected
fz values : OK

10.01.22 .
SB4-2030 products Hub width was corrected.
23.23 -> 23.33 		10.01.21 .
Specifications and Caution on Product Characteristics for SURO products gHeat Treatment Solutionh and "Passivation" were deleted from Heat Treatment Application for SURO products. 09.12.22 1.02
DR Products The data in the dimension table below was corrected

Incorrect
DR_NG
@@@@ @@@@@@@@@@@@@@@@@@«@@@@@@@@@«
Corrected
DR_OK

10.01.28 .
SRS Products Change in material

SS400 -> SPCC 		09.12.22 1.02
Allowable torque (Bending strength) for PM products Allowable torque (Bending strength) is corrected
Please see here to find correct data. 		09.12.08 1.02
Allowable torque (Bending strength) for PB products Allowable torque (Bending strength) is corrected
Please see here to find correct data. 		09.12.08 1.02

Gear Technical Reference (PDF) Page P599
Table 11.4 : Tooth profile factor y

Tooth profile factor for 14.5‹(No.of teeth:is 38) : 0.565 @¨@0.556
Tooth profile factor 20‹ full depth teeth ( No.of teeth:is 60) : 0.713 @¨@0.722 		09.12.08 1.02
Shape diagram for T-shaped CBX product Shape diagram for T-shaped CBX product
¨uBcv ¨ uBBv
CBX-T 		09.11.26 1.02

Gear Technical Reference (PDF) Page P586
Load Sharing Factor

Correction in equation:

The transverse contact ratio for helical gears (In line 7)
RvcosƒΏ0 + r0secƒΒ0cosƒΏ0 ¨ RvcosƒΏ0 = r0secƒΒ0cosƒΏ0
g+h must be g=h

The transverse contact ratio for bevel gears (In line 8)
RvcosƒΏS + r0secƒΒ0cosƒΏS ¨ RvcosƒΏS = r0secƒΒ0cosƒΏS
g+h must be g=h 		09.11.12 1.02
Gear Technical Reference (PDF) Page P587
Table 10.21 : Size factor for bending strength 		The value is corrected.
Transverse module at outside diameter : Over 22 to 25 incl
0.90 ¨ 0.80 		09.11.12 1.02

F value and Ff value for H0-shaped AGF products

F value and Ff value for H0-shaped AGF products are missing as follows;

AGF4-60R1 F=15 F'=7

AGF5-48R1 F17.5 F'=7.5
AGF5-50R1 F17.5 F'=7.5
AGF5-60R1 F17.5 F'=7.5

AGF6-40R1 F20 F'=8
AGF6-48R1 F20 F'=8
AGF6-50R1 F20 F'=8
AGF6-60R1 F20 F'=8

09.11.05 Vol.4
Dimension correction for Miter and Bevel Gears Dimension correction
Please see here to find correct data. 		09.10.21 1.02
Recalculation of Weight for all SROCP products Weight of all SROCP products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all FRCP products Weight of all FRCP products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SURCPF,SURCPFD products Weight of all SURCPF,SURCPFD products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SUSCP products Weight of all SUSCP products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SRCP,SRCPF,SRCPFD products Weight of all SRCP,SRCPF,SRCPFD products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all KRCPF products Weight of all KRCPF products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SSCP products Weight of all SSCP products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all KRGCP,KRGCPF,KRGCPD products Weight of all KRGCP,KRGCPF,KRGCPD products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SRGCP,SRGCPF products Weight of all SRGCP,SRGCPF products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SSCPGS products Weight of all SSCPGS products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SSCPG products Weight of all SSCPG products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all KTSCP products Weight of all KTSCP products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all STRCPF,STRCPFD products Weight of all STRCPF,STRCPFD products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all KRHG,KRHGF products Weight of all KRHG,KRHGF products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SURO products Weight of all SURO products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SRO,SROS products Weight of all SRO,SROS products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all BSR products Weight of all BSR products was recalculated.

Please seehere to find correct data. 		09.10.13 1.02
Recalculation of Weight for all PR,PRF products Weight of all PR,PRF products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SUR,SURF,SURFD products Weight of all SUR,SURF,SURFD products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SRFD products Weight of all SRFD products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SRF products Weight of all SRF products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SR products Weight of all SR products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all KRF products Weight of all KRF products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SRG,SRGF products Weight of all SRG,SRGF products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all KRG,KRGF,KRGD products Weight of all KRG,KRGF,KRGD products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SIR products Weight of all SIR products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SI products Weight of all SI products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SH products Weight of all SH products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all KHG products Weight of all KHG products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SSR products Weight of all SSR products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all DS products Weight of all DS products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all PS,PSA products Weight of all PS,PSA products was recalculated.

Please seehere to find correct data. 		09.10.13 1.02
Recalculation of Weight for all PU products Weight of all PU products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all NSU products Weight of all NSU products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all DSL products Weight of all DSL products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SUSL products Weight of all SUSL products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SUS,SUSA products Weight of all SUS,SUSA products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all LS products Weight of all LS products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Recalculation of Weight for all SSAY/K products Weight of all SSAY/K products was recalculated.

Please see here to find correct data. 		09.10.13 1.02
Gear Technical Reference (PDF)
(b) Equation for Trochoid Interference (4.9) 		ƒΖ1 = cc + inv ƒΏa1 - inv ƒΏ

"- inv ƒΏ" mustd be "- inv ƒΏw" 		09.10.01 1.02
KWG0.5 and 0.8 KWG0.5 and 0.8(W5) shaped products have no black oxide coating 09.08.10 1.02

Table : Interchangeability of Spiral Miter Gears

Pairing of MMSA(B) and SMS Spiral Miters.
’ ¨ ~ 		09.07.21 1.02

Gear Technical Reference (PDF) Page 614
Table 13.12 : Damage to Gears

Table 13.12 ¨ Table 14.1 09.07.17 1.02
Calculation for Bending Strength and Surface Durability of SSG Ground Spur Gears Since SSG Ground Spur Gears with a module less than 0.8 has no heat treatment at the tooth area, the allowable bending stress and the allowable Hertz stress are referred to the value shown in the parentheses:

- Allowable Bending Stress@19@->@19i24.5j
- Allowable Hertz Stress@90@->@90i62.5j
09.07.16 1.02

DXF data for SB products

Bore size is missing in the data for SB2-4515
To find the size please refer to the dimension table.in the catalog. 		09.07.01 1.02

Catalog No. Search Function

On search by Catalog Numbers, if two products are shown in the search results, bore and prepared hole appears as the same size for J-Series products. To find the correct sizes, please refer to the dimension tables. 09.06.18 .

Dimension Tables for SRT & SRTB Products

 Center distance and mounting height of SRT and SRTB products are slightly different from those of the theoretical values. To find proper values, please refer to the dimension table 09.06.17 .

DR Products

Mass(kg) of DR products@
DR0.8-2000@ 0.10 ¨ 0.036
DR1 - 2000@ 0.15 ¨ 0.060
DR1.5-2000@ 0.20 ¨ 0.085
DR2 - 2000@ 0.30 ¨ 0.12

09.06.02 1.01

Bore Tolerance of DS Products

Bore Tolerance of DS Products

-0.05 ` -0.12@¨@-0.05 ` -0.30

09.05.26 1.01

DS0.5-20

DS0.5-20 is not of S9-shaped. S8B-shape is correct.

‚r9-shaped@¨ ‚r8‚a-shaped

09.05.25 1.01

DS‚Μ Dimension Table

 For S9-shaped products, "J" value is not required.

09.05.19 1.01

Shape diagrams for SRTB products

Shape diagrams for SRTB products has a line to show hub size. Below, is the correct shape diagram.
SRTB
09.04.28 1.01

Shape diagrams for BG products

HAT-shaped products have a tapped hole.@ 09.04.24 1.01

Shape diagrams for H1, H4 and H8-shaped Worm Wheels

In the shape-diagrams for H1, H4 and H8-shaped worm wheels, gCh shows Base-diameter, and gDh shows Throat-diameter
ng@¨@ok 		09.0423 1.01

Total length of SUSA4-40 & SUSA4-50 products

Total length for SUSA4-40 and SUSA4-50 products are not required.

09.04.21 1.01

Base diameter of SSAY0.8-32/K8 products

28 ¨ 25.6

09.04.21 1.01

Recalculation of Mass for all SSA products

Weight of all SSA products was recalculated.

Please see here to find correct data.

09.04.20 1.01

Recalculation of Mass for all SSY products (except for finished products)

Weight of SSY products was recalculated. (Except for finished products)

Please see here to find correct data.

09.04.20 1.01

Recalculation of Mass for of all SSAY products

Weight of all SSAY products was recalculated.

Please see here to find correct data.

09.04.20 1.01

Base diameter of SB2-6015 products

Base diameter of SB2-6015 products

120.55 ¨ 120 		09.04.08 1.01

Mass (kg) of MBSA/B products

MBSA2-4518R 0.43 ¨ 0.59
MBSB2-4518R 0.59 ¨ 0.54
MBSA2.5-4515R 1.00 ¨ 0.99
MBSB2.5-4515R 1.00 ¨ 0.96 		09.04.08 1.01

Base diameter of SH products

SH2-15R/L   31.05 ¨ 31.06
SH2-30R/L   62.11 ¨ 62.12
SH3-15R/L   46.58 ¨ 46.59
SH3-20R/L   62.11 ¨ 62.12

09.04.07 1.01

Recalculation of Mass for all MSGA(B) products

Weight of all MSGA(B) products was recalculated.

Please see here to find correct data.

09.03.31 1.01
Table 11.2
Thermal Properties of Plastic Materials 		Continuous working temperature for MC901 : 210@¨@120 09.03.24 1.01

SRT-C products

Tooth Hardness of Pawls
45 ` 55 HRC ¨ 42 to 55 HRC 		09.02.09 1.01

Dimension table for CG products

A term in the dimension table: Transverse module ¨ Normal module 09.01.10 1.01

Base diameter of CG products

CG2-20R2@40.35 ¨ 40.34
CG2-20L2@40.35 ¨ 40.34 		09.01.10 1.01

Total length tolerance for racks

Specifications for size tolerances are changed. Please refer to the following table to find correct data.
285
08.12.12 1.01

Tap size for SMB2-30 product

 M6 ¨ M5

08.12.04 1.01

Backlash of SUSCP products

SUSCP5-20 0.10 ` 0.24 ¨ 0.09 to 0.26
SUSCP5-25 0.11 ` 0.26 ¨ 0.10 to 0.28
SUSCP5-30 0.11 ` 0.26 ¨ 0.10 to 0.28
SUSCP10-20 0.15 ` 0.32 ¨ 0.14 to 0.36
SUSCP10-25 0.16 ` 0.35 ¨ 0.16 to 0.39
SUSCP10-30 0.16 ` 0.35 ¨ 0.16 to 0.39
08.11.05 1.01

Backlash of SAM products

SAM1.5-20060 0.06 ` 0.16 ¨ 0.05 to 0.15
SAM2 - 20060 0.05 ` 0.15 ¨ 0.06 to 0.16

08.11.05 1.01

Backlash of SSG products

SSG2.5-40

0.14 ` 0.24 ¨ 0.12 to 0.22

08.11.05 1.01

Backlash of BSS products

 BSS0.8 - 20 0.1 ` 0.2 ¨ 0.06 to 0.16
08.10.31 1.01

Backlash of NSU products

Module: ‚ 1.5, No. of Teeth 34 to 60

0.16 ` 0.34 ¨ 0.16 to 0.32

08.10.31 1.01

Backlash of SSAY/K products

Module: ‚ 0.8, No. of Teeh: 45 to 60

1.20 ` 0.24 ¨ 0.12 to 0.24

08.10.31 1.01

Backlash of SSR products

 SSR2 - 120 0.22 ` 0.44 ¨ 0.17 to` 0.37
SSR2 - 200 0.26 ` 0.52 ¨ 0.20 to 0.41
SSR2.5-120 0.24 ` 0.48 ¨ 0.19 to 0.41
SSR2.5-200 0.28 ` 0.58 ¨ 0.22 to 0.46
SSR3 - 120 0.26 ` 0.52 ¨ 0.22 to 0.45
SSR3 - 160 0.30 ` 0.64 ¨ 0.22 to 0.45
08.10.31 1.01

Backlash of SSG products

Module : 0.5, 0.8

0 ` 0.10 ¨ 0 to 0.08

08.10.30 1.01

Backlash of KHG products

KHG3-35R/L to KHG3-60R/L

0.14 ` 0.26 ¨ 0.14 to 0.24

08.10.30 1.01

Backlash of SH products

SH2-90RAL 0.18 ` 0.36 ¨ 0.20 to 0.44
SH3-15RAL 0.16 ` 0.32 ¨ 0.14 to 0.32
SH3-20RAL 0.16 ` 0.32 ¨ 0.14 to 0.32
SH3-60RAL 0.22 ` 0.44 ¨ 0.20 to 0.44
08.10.30 1.01

Backlash of SI products

Please see here to find correct data 08.10.30 1.01

Backlash of SIR products

Please see here to find correct data 08.10.30 1.01



Copyright (C) 1996 KOHARA GEAR INDUSTRY CO.,LTD.
All Rights Reserved.