High speed reduction ratio, high efficiency, high rigidity and compact gear assembly.
Ground Spiral Bevel Gears
(MBSG)
Module
2～4
Gear ratio
2
Material
SCM415
Heat treatment
Carburized (bore & hubs are masked)
NOTE1
Tooth surface finish
Hobbed
Precision
JIS B 1704
2
Secondary Operations
△
High strength, abrasion-resistant and compact for high-speed & torque use.
[CAUTION1] Even though the bore and the hub portions are masked during the carburization and they can be modified, care should be exercised since the hardness is somewhat higher.
Ground Spiral Bevel Gears
(SBSG)
Module
2～4
Gear ratio
1.5～3
Material
S45C
Heat treatment
Teeth Induction Hardened
Tooth surface finish
Ground
Precision
JIS B 1704
2
Secondary Operations
△
Reasonably priced ground gear, yet remachinable except for the gear teeth.
Spiral Bevel Gears
(MBSA·MBSB)
Module
1～6
Gear ratio
1.5～3
Material
SCM415
Heat treatment
Carburized
NOTE 1
Tooth surface finish
Hobbed
Precision
JIS B 1704
4
Secondary Operations
×
Ready to use without performing secondary operations. Strong and abrasion resistant.
[CAUTION] The letters “B” at the end of catalog numbers designate same items except for changes in the bore and keyway sizes.
[CAUTION1] MBSA(B) spiral bevel gears are carburized and do not allow secondary operations. However, the back surface of B7 style gears is masked during the process so that it is possible to drill and pin on this surface.
Spiral Bevel Gears
(SBS)
Module
1～5
Gear ratio
1.5～4
Material
S45C
Heat treatment
Teeth Induction Hardened
Tooth surface finish
Hobbed
Precision
JIS B 1704
4
Secondary Operations
△
Large nos. of teeth and modules are offered in these affordable spiral bevel gears.
Bevel Gears
(SB<SBY>)
Module
1～8
Gear ratio
1.5～4
Material
S45C
Heat treatment
－
Tooth surface finish
Hobbed
Precision
JIS B 1704
3
Secondary Operations
○
Popular series of straight bevel gears for many uses.
Bevel Gears & Pinion Shafts
(SB)
Module
1.5～3
Gear ratio
5
Material
S45C
Heat treatment
Normalizing (pinion only)
Tooth surface finish
Hobbed
Precision
JIS B 1704
3
Secondary Operations
○
Popular series of straight bevel gears for many uses.
Stainless Steel Bevel Gears
(SUB)
Module
1.5～3
Gear ratio
1.5～3
Material
SUS303
Heat treatment
－
Tooth surface finish
Hobbed
Precision
JIS B 1704
3
Secondary Operations
○
Suitable for food machinery due to SUS303’s rust-resistant quality.
Plastic Bevel Gears
(PB)
Module
1～3
Gear ratio
1.5～3
Material
MC901
Heat treatment
－
Tooth surface finish
Hobbed
Precision
JIS B 1704
4
Secondary Operations
○
MC nylon products are light and can be used without lubricant.
Injection Molded Bevel Gears
(DB)
Module
0.5～1
Gear ratio
2
Material
M90-44
Heat treatment
－
Tooth surface finish
Injection molded
Precision
JIS B 1704
8
Secondary Operations
△
Injection molded, mass-produced products, suitable for office machines.
