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J Series SSA Spur Gear

J Series SSA Spur Gear

This is a lightweight better shape spur gear obtained by cutting SS spur gear boss part. Finished J and F series products are also available.

(i)Caution

  • The product images are representative only. Please refer to the manufacturer's catalog for shape details.

PDF

Japanese Only

Drawing

J series SSA spur gear drawing

S5

Product Specifications

Product Specifications

  • Accuracy class: JIS N8 class (JIS B 1702-1:1998)
  • Tooth profile: Full depth tooth
  • Pressure angle: 20°
  • Materials: S45C
  • Tooth surface hardness: (194HB or lower)
  • Surface Treatment: Black oxide coating
 

* The J series is "equivalent" to the stated accuracy class.

Keyway

  • The keyway adopts the normal type (Js9) of JIS B 1301.
  • Holes and keyways are not re-treated with black oxide coating after machining.
Hole diameter (H7)Keyway (Js9)
104 × 1.8
12
145 × 2.3
15
16
17
186 × 2.8
19
20
22
258 × 3.3
28
30
Hole diameter (H7)Keyway (Js9)
3210 × 3.3
35
4012 × 3.3
4514 × 3.8
50
5516 × 4.3
6018 × 4.4
65
7020 × 4.9
75
8022 × 5.4

Product Specifications

[Module 2, 2.5, 3]

Part numberModuleNumber of teethShapeHole diameterReference circle
Diameter
Tooth tip circle
Diameter
Tooth widthAllowable torque (N⋅m)Allowable torque (kgf⋅m)Backlash
(mm)
Weight
(kg)
AH7CDEFlexural StrengthTooth Surface StrengthFlexural StrengthTooth Surface Strength
SSA2-15m215S51030342029.61.483.010.150.12 to 0.260.099
SSA2-1818364039.32.234.010.230.15
SSA2.5-15m2.5151237.542.52557.72.965.890.300.14 to 0.280.19
SSA2.5-1818455076.74.477.820.460.29
SSA3-151545513099.75.2210.20.530.14 to 0.320.35
SSA3-181854601337.8713.50.800.51

[Module 4, 5]

J series SSA spur gear specifications

[Precautions Related to Product Characteristics]

  • Allowable torque shown is a reference value calculated under arbitrary use conditions.
  • The stated backlash is the backlash in the normal direction and assumes that parts from the same dies are assembled under the theoretical values.

Cautions/prohibitions

Precautions for alteration

  • Please pay attention to safety when altering products.
  • Avoid narrowing down the tooth width because it affects the accuracy and strength of the gear.
Part Number
SSA2-15J10
SSA2-15J12
SSA2-18J10
SSA2-18J12
SSA2-18J14
SSA2-18J15
SSA2.5-15J12
SSA2.5-15J14
SSA2.5-15J15
SSA2.5-18J12
SSA2.5-18J14
SSA2.5-18J15
SSA2.5-18J16
SSA2.5-18J17
SSA2.5-18J18
SSA2.5-18J19
SSA3-15J12
SSA3-15J14
SSA3-15J15
SSA3-15J16
SSA3-15J17
SSA3-15J18
SSA3-18J12
SSA3-18J14
SSA3-18J15
SSA3-18J16
SSA3-18J17
SSA3-18J18
SSA3-18J19
SSA3-18J20
SSA3-18J22
SSA4-15J20
SSA4-15J22
SSA4-15J25
SSA4-18J20
SSA4-18J22
SSA4-18J25
SSA4-18J28
SSA4-18J30
SSA4-20J20
SSA4-20J22
SSA4-20J25
SSA4-20J28
SSA4-20J30
SSA4-20J32
SSA4-20J35
SSA4-24J20
SSA4-24J22
SSA4-24J25
SSA4-24J28
SSA4-24J30
SSA4-24J32
SSA4-24J35
SSA4-24J40
SSA4-25J20
SSA4-25J22
SSA4-25J25
SSA4-25J28
SSA4-25J30
SSA4-25J32
Part NumberMinimum order quantityVolume DiscountDays to ShipRoHSHole diameter, Shaft diameter
(Ø)
Number of Teeth
(Teeth)
Module Tooth Width
(mm)
Keyway (width × depth)
(mm)
1 Piece(s) 12 Day(s) or more 1010152204X1.8
1 Piece(s) 12 Day(s) or more 1012152204X1.8
1 Piece(s) 12 Day(s) or more 1010182204X1.8
1 Piece(s) 12 Day(s) or more 1012182204X1.8
1 Piece(s) 12 Day(s) or more 1014182205X2.3
1 Piece(s) 12 Day(s) or more 1015182205X2.3
1 Piece(s) 12 Day(s) or more 1012152.5254X1.8
1 Piece(s) 12 Day(s) or more 1014152.5255X2.3
1 Piece(s) 12 Day(s) or more 1015152.5255X2.3
1 Piece(s) 12 Day(s) or more 1012182.5254X1.8
1 Piece(s) 12 Day(s) or more 1014182.5255X2.3
1 Piece(s) 12 Day(s) or more 1015182.5255X2.3
1 Piece(s) 12 Day(s) or more 1016182.5255X2.3
1 Piece(s) 12 Day(s) or more 1017182.5255X2.3
1 Piece(s) 12 Day(s) or more 1018182.5256X2.8
1 Piece(s) 12 Day(s) or more 1019182.5256X2.8
1 Piece(s) 12 Day(s) or more 1012153304X1.8
1 Piece(s) 12 Day(s) or more 1014153305X2.3
1 Piece(s) 12 Day(s) or more 1015153305X2.3
1 Piece(s) 12 Day(s) or more 1016153305X2.3
1 Piece(s) 12 Day(s) or more 1017153305X2.3
1 Piece(s) 12 Day(s) or more 1018153306X2.8
1 Piece(s) 12 Day(s) or more 1012183304X1.8
1 Piece(s) 12 Day(s) or more 1014183305X2.3
1 Piece(s) 12 Day(s) or more 1015183305X2.3
1 Piece(s) 12 Day(s) or more 1016183305X2.3
1 Piece(s) 12 Day(s) or more 1017183305X2.3
1 Piece(s) 12 Day(s) or more 1018183306X2.8
1 Piece(s) 12 Day(s) or more 1019183306X2.8
1 Piece(s) 12 Day(s) or more 1020183306X2.8
1 Piece(s) 12 Day(s) or more 1022183306X2.8
1 Piece(s) 17 Day(s) or more -20154406X2.8
1 Piece(s) 17 Day(s) or more -22154406X2.8
1 Piece(s) 17 Day(s) or more -25154408X3.3
1 Piece(s) 17 Day(s) or more -20184406X2.8
1 Piece(s) 17 Day(s) or more -22184406X2.8
1 Piece(s) 17 Day(s) or more -25184408X3.3
1 Piece(s) 17 Day(s) or more -28184408X3.3
1 Piece(s) 17 Day(s) or more -30184408X3.3
1 Piece(s) 17 Day(s) or more -20204406X2.8
1 Piece(s) 17 Day(s) or more -22204406X2.8
1 Piece(s) 17 Day(s) or more -25204408X3.3
1 Piece(s) 17 Day(s) or more -28204408X3.3
1 Piece(s) 17 Day(s) or more -30204408X3.3
1 Piece(s) 17 Day(s) or more -322044010X3.3
1 Piece(s) 17 Day(s) or more -352044010X3.3
1 Piece(s) 17 Day(s) or more -20244406X2.8
1 Piece(s) 17 Day(s) or more -22244406X2.8
1 Piece(s) 17 Day(s) or more -25244408X3.3
1 Piece(s) 17 Day(s) or more -28244408X3.3
1 Piece(s) 17 Day(s) or more -30244408X3.3
1 Piece(s) 17 Day(s) or more -322444010X3.3
1 Piece(s) 17 Day(s) or more -352444010X3.3
1 Piece(s) 17 Day(s) or more -402444012X3.3
1 Piece(s) 17 Day(s) or more -20254406X2.8
1 Piece(s) 17 Day(s) or more -22254406X2.8
1 Piece(s) 17 Day(s) or more -25254408X3.3
1 Piece(s) 17 Day(s) or more -28254408X3.3
1 Piece(s) 17 Day(s) or more -30254408X3.3
1 Piece(s) 17 Day(s) or more -322544010X3.3

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Basic Information

Gear Shape Shape A Material Steel Surface Treatment Black oxide finish
Heat Treatment No Ground Tooth Milled Bearing No
Backlash Presence Shaft Bore Tolerance H7 Accuracy Grade(Old JIS) N8
Shaft Bore Config. Keyway Material (Details) S45C

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