[Ground Spiral Bevel Gears (MBSG)] Series list   
diagram
Specifications
Precision grade JIS B 1704:1978 grade 1 Surface treatment HRC55 - 60
Gear teeth Gleason Surface treatment -
Pressure angle 20° Surface finish Ground
Helix angle 35° Datum reference surface for teeth grinding Bore (H7)
Material SCM415 Modifications The masked areas of carburized parts can be modified.
Heat treatment Carburized.(*1)    
(*1) Bore and Hub Dia. Are machinable due to masking carburization
  1 / 1 Page      8 items in total    Module   Geer Ratio       
< 1 >    precaution    
Catalog No.
Geer Ratio Module
Number of Teeth
Hand of thread Shape Bore
A
Hub dia.
B
Pitch dia.
C
Outside dia.
D
Mounting distance
E
Total length
F
Crown to back length
G
Hub width
H
Length of bore
I
Face width
J
Holding surface dia.
K
Allowable torque(kgf·m)
Bending strength
Allowable torque(kgf·m)
Surface durability
Backlash low
(mm)
Backlash up
(mm)
Weight
(kg)
Unit Price
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Partner
  MBSG2-4020R 
  MBSG2-2040L 
  MBSG2.5-4020R 
  MBSG2.5-2040L 
  MBSG3-4020R 
  MBSG3-2040L 
  MBSG4-4020R 
  MBSG4-2040L 
2240RB415458081.14531.7826.118291452.75.769.610.040.100.57 MBSG2-2040L
2220LB312354044.15528.1616.0213.75271425.392.884.80.040.100.18 MBSG2-4020R
22.540RB41655100101.295033.3526.2916301766.991118.70.050.111.01 MBSG2.5-2040L
22.520LB312435055.126531.0116.2813.25291729.975.529.370.050.110.31 MBSG2.5-4020R
2340RB42065120121.576039.8131.5720352080.2818.832.40.060.121.64 MBSG3-2040L
2320LB316526066.038038.921.511836.52036.569.4216.20.060.120.56 MBSG3-4020R
2440RB42580160162.067548.2737.06224227106.634579.30.090.153.55 MBSG4-2040L
2420LB320708088.4610045.3822.1217.5432751.2522.539.70.090.151.20 MBSG4-4020R
Product Precautions
[Caution on Product Characteristics]  ①The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see precaution for more details.
 ②Dimensions of the outside diameter, the overall length and crown to back length are all theoretical values, and some differences will occur due to the corner chamfering of the gear tips.
 ③These gears produce axial thrust forces. See precaution for more details.

[Caution on Secondary Operations]  ①Please read “Cautions on Performing Secondary Operations”when performing modification and/or secondary operations for safety concerns. Haguruma Kobo, the KHK's system for quick modification of KHK stock gears is also available.
 ②In the illustration, the area surrounded with -- - - -- line is masked during the carburization process and can be modified. However, care should be exercised since the hardness is high (approx. HRC40, maximum).
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