KHK USA Metric Gears
  • Products
  • RFQ - Custom Gears
  • Gear News
  • Catalog Request
  • About
    • Factory Direct
  • Contact
  • Cart
  • Account
Phone: 516-248-3850

All Categories > Internal Gears > Steel Internal Gears (SI) > View Items
  1. All CategoriesAll Categories
  2. Internal GearsInternal Gears
  3. Steel Internal Gears (SI)Steel Internal Gears (SI)
  4. View Items

Steel Internal Gears (SI)


Email This Page Download PDF Download PDF Printable Page
  • Steel-Internal-Gears--SI-
  • Steel-Internal-Gears--SI-_Dim
  • Steel-Internal-Gears--SI-
  • Steel-Internal-Gears--SI-_Dim
A popular type of internal gear; low cost and suitable for many applications.
Please note that all J-Series, E-Series, F-Series, H-Series, HJ-Series & S-Series products are made-to-order, noncancellable, and non-returnable.
1 - 22 of 22 | Results Per Page | View | Unit of Measure
1 
Request Information Compare Items
Clear Filter

Module

No. of teeth

Internal Diameter (A) (in)

Internal Diameter (A) (mm)

Pitch Diameter (C) (in)

Pitch Diameter (C) (mm)

Face Width (E) (in)

Face Width (E) (mm)

Item #

Sell Price

CAD

Module

No. of teeth

Shape

Internal Diameter (A)

Pitch Diameter (C)

Face Width (E)

Internal ID

Sell Price 1 Value

SI0.5-100 $66.87 N/A CAD Icon (for items table) N/A 0.5 N/A 100 N/A T1 N/A 1.929 in49 mm N/A 1.969 in50 mm N/A 0.197 in5 mm N/A
10080
66.87
SI0.5-60 $52.63 N/A CAD Icon (for items table) N/A 0.5 N/A 60 N/A T1 N/A 1.142 in29 mm N/A 1.181 in30 mm N/A 0.197 in5 mm N/A
10081
52.63
SI0.5-80 $59.52 N/A CAD Icon (for items table) N/A 0.5 N/A 80 N/A T1 N/A 1.535 in39 mm N/A 1.575 in40 mm N/A 0.197 in5 mm N/A
10082
59.52
SI0.8-100 $91.07 N/A CAD Icon (for items table) N/A 0.8 N/A 100 N/A T1 N/A 3.087 in78.4 mm N/A 3.150 in80 mm N/A 0.315 in8 mm N/A
10083
91.07
SI0.8-60 $70.82 N/A CAD Icon (for items table) N/A 0.8 N/A 60 N/A T1 N/A 1.827 in46.4 mm N/A 1.890 in48 mm N/A 0.315 in8 mm N/A
10084
70.82
SI0.8-80 $82.41 N/A CAD Icon (for items table) N/A 0.8 N/A 80 N/A T1 N/A 2.457 in62.4 mm N/A 2.520 in64 mm N/A 0.315 in8 mm N/A
10085
82.41
SI1-100 $118.26 N/A CAD Icon (for items table) N/A 1 N/A 100 N/A T1 N/A 3.858 in98 mm N/A 3.937 in100 mm N/A 0.394 in10 mm N/A
10086
118.26
SI1-60 $73.01 N/A CAD Icon (for items table) N/A 1 N/A 60 N/A T1 N/A 2.283 in58 mm N/A 2.362 in60 mm N/A 0.394 in10 mm N/A
10087
73.01
SI1-80 $91.64 N/A CAD Icon (for items table) N/A 1 N/A 80 N/A T1 N/A 3.071 in78 mm N/A 3.150 in80 mm N/A 0.394 in10 mm N/A
10088
91.64
SI1.5-100 $184.69 N/A CAD Icon (for items table) N/A 1.5 N/A 100 N/A T1 N/A 5.787 in147 mm N/A 5.906 in150 mm N/A 0.591 in15 mm N/A
10089
184.69
SI1.5-50 $105.05 N/A CAD Icon (for items table) N/A 1.5 N/A 50 N/A T1 N/A 2.835 in72 mm N/A 2.953 in75 mm N/A 0.591 in15 mm N/A
10090
105.05
SI1.5-60 $112.99 N/A CAD Icon (for items table) N/A 1.5 N/A 60 N/A T1 N/A 3.425 in87 mm N/A 3.543 in90 mm N/A 0.591 in15 mm N/A
10091
112.99
SI1.5-80 $150.16 N/A CAD Icon (for items table) N/A 1.5 N/A 80 N/A T1 N/A 4.606 in117 mm N/A 4.724 in120 mm N/A 0.591 in15 mm N/A
10092
150.16
SI2-100 $296.47 N/A CAD Icon (for items table) N/A 2 N/A 100 N/A T1 N/A 7.717 in196 mm N/A 7.874 in200 mm N/A 0.787 in20 mm N/A
10093
296.47
SI2-50 $157.27 N/A CAD Icon (for items table) N/A 2 N/A 50 N/A T1 N/A 3.780 in96 mm N/A 3.937 in100 mm N/A 0.787 in20 mm N/A
10094
157.27
SI2-60 $189.34 N/A CAD Icon (for items table) N/A 2 N/A 60 N/A T1 N/A 4.567 in116 mm N/A 4.724 in120 mm N/A 0.787 in20 mm N/A
10095
189.34
SI2-80 $252.75 N/A CAD Icon (for items table) N/A 2 N/A 80 N/A T1 N/A 6.142 in156 mm N/A 6.299 in160 mm N/A 0.787 in20 mm N/A
10096
252.75
SI2.5-50 $228.41 N/A CAD Icon (for items table) N/A 2.5 N/A 50 N/A T1 N/A 4.724 in120 mm N/A 4.921 in125 mm N/A 0.984 in25 mm N/A
10097
228.41
SI2.5-60 $291.55 N/A CAD Icon (for items table) N/A 2.5 N/A 60 N/A T1 N/A 5.709 in145 mm N/A 5.906 in150 mm N/A 0.984 in25 mm N/A
10098
291.55
SI2.5-80 $378.62 N/A CAD Icon (for items table) N/A 2.5 N/A 80 N/A T1 N/A 7.677 in195 mm N/A 7.874 in200 mm N/A 0.984 in25 mm N/A
10099
378.62
SI3-50 $349.43 N/A CAD Icon (for items table) N/A 3 N/A 50 N/A T1 N/A 5.669 in144 mm N/A 5.906 in150 mm N/A 1.181 in30 mm N/A
10100
349.43
SI3-60 $397.34 N/A CAD Icon (for items table) N/A 3 N/A 60 N/A T1 N/A 6.850 in174 mm N/A 7.087 in180 mm N/A 1.181 in30 mm N/A
10101
397.34
1 - 22 of 22 | Results Per Page | View | Unit of Measure
1 
*

Explore our factory direct metric gear catalog

KHK USA Inc
259 Elm Place
Mineola, NY 11501
(516) 248-3850

Email exclusives
Sign up and be the first to hear about promotions and more.

Sign Me Up

CATALOG

  • Metric Spur Gears
  • Metric Helical Gears
  • Metric Internal Ring Gears
  • Metric Gear Racks
  • Circular Pitch Metric Racks & Pinions
  • Metric Miter Gears
  • Metric Bevel Gears
  • Metric Screw Gears
  • Metric Worm Gear Pairs
  • Metric Gearboxes
  • Metric Inch Gears
  • Miscellaneous Metric Gear Products
  • RFQ
  • Gear World
  • Catalog Request
  • Tax Exemption Request
  • About KHK Gears
  • Account Login
  • © 2026 KHK Kohara Gear Industry Co., Ltd. All Rights Reserved.
  • Privacy Policy
  • Shipping Policy
  • Returns Policy
  • Sitemap
A3 Member Seal PTDA This site is protected by VikingCloud's Trusted Commerce program