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Precision Anti-Backlash Gears

SDP/Si is a well-known manufacturer of high precision standard and custom anti-backlash gears for a wide range of applications. Please see below on how to build a part number using codes:


How to build a part number:


S970 Series

Pin- and Hub-Types:


AGMA 10

Face Width: .104"

Available Bores:
3 - .1248" (1/8")
4 - .1873" (3/16")
6 - .2498" (1/4")

Gear Material:
S - 303 Stainless Steel
A - 2024-T4 or -T351 Aluminum Alloy, Anodized before cutting

Hubs: 303 Stainless Steel

Springs: 302 Stainless Steel, Spring Temper


S1A5 Series

Pin- and Hub-Types:


AGMA 10

Face Width: .104"

Available Bores:
3 - .1248" (1/8")
4 - .1873" (3/16")
6 - .2498" (1/4")

Gear Material:
S - 303 Stainless Steel
A - 2024-T4 or -T351 Aluminum Alloy, Anodized before cutting

Hubs: 303 Stainless Steel

Springs: 302 Stainless Steel, Spring Temper


Fairloc® Hub
120 Pitch

Precision Fairloc Hub Anti-Backlash Gears 120 Pitch

Catalog Number:
S1A5Select a BoreA-F120Number of TeethNumber of TeethNumber of TeethNumber of Teeth

Fairloc® Hub
120 Pitch Mini-Lash

Precision Fairloc Hub Mini-Lash Gears 120 Pitch

Catalog Number:
S1M5Select a BoreA-F120Number of TeethNumber of TeethNumber of TeethNumber of Teeth

Pin- or Clamp-Type Hub 120 Pitch

Precision Pin- or Clamp-Type Hub Anti-Backlash Gears 120 Pitch
Catalog Number:
S970Select a BoreA-ZNumber of TeethJNumber of TeethNumber of TeethNumber of TeethNumber of TeethP

Pin- or Clamp-Type Hub 120 Pitch

Precision Pin- or Clamp-Type Hub 120 Pitch Anti-Backlash Gears
Catalog Number:
S1A5Select a BoreA-Choose a hub120Number of TeethNumber of TeethNumber of TeethNumber of Teeth

Fairloc® Hub
96 Pitch

Precision Fairloc Hub Anti-Backlash Gears 96 Pitch
Catalog Number:
S1A5Select a BoreA-F096Number of TeethNumber of TeethNumber of TeethNumber of Teeth

Fairloc® Hub
96 Pitch Mini-Lash

Precision Anti-Backlash Gears
Catalog Number:
S1M5Select a BoreA-F096Number of TeethNumber of TeethNumber of TeethNumber of Teeth

Pin- or Clamp-Type Hub 96 Pitch

Precision Pin- or Clamp-Type Hub Anti-Backlash Gears 96 Pitch
Catalog Number:
S970Select a BoreA-ZNumber of TeethHNumber of TeethNumber of TeethNumber of TeethNumber of TeethP

Pin- or Clamp-Type Hub 96 Pitch

Precision Pin- or Clamp-Type Hub Anti-Backlash Gears 96 Pitch
Catalog Number:
S1A5Select a BoreA-Choose a hub096Number of TeethNumber of TeethNumber of TeethNumber of Teeth

Fairloc® Hub
80 Pitch Mini-Lash

Fairloc Hub 80 Pitch Mini-Lash
Catalog Number:
S1M5Select a BoreA-F080Number of TeethNumber of TeethNumber of TeethNumber of Teeth

Pin- or Clamp-Type Hub 80 Pitch

Pin- or Clamp-Type Hub 80 Pitch
Catalog Number:
S970Select a BoreA-ZNumber of TeethHNumber of TeethNumber of TeethNumber of TeethNumber of TeethP

Pin- or Clamp-Type Hub 80 Pitch

Precision Pin- or Clamp-Type Hub Anti-Backlash Gears 80 Pitch
Catalog Number:
S1A5Select a BoreA-Choose a hub080Number of TeethNumber of TeethNumber of TeethNumber of Teeth

Fairloc® Hub
72 Pitch

Precision Fairloc Hub Anti-Backlash Gears 72 Pitch
Catalog Number:
S1A5Select a BoreA-F072Number of TeethNumber of TeethNumber of TeethNumber of Teeth

Fairloc® Hub
72 Pitch Mini-Lash

Precision Fairloc Hub Anti-Backlash Gears 72 Pitch Mini-Lash
Catalog Number:
S1M5Select a BoreA-F072Number of TeethNumber of TeethNumber of TeethNumber of Teeth

Pin- or Clamp-Type Hub 72 Pitch

Precision Pin- or Clamp-Type Hub Anti-Backlash Gears 72 Pitch
Catalog Number:
S970Select a BoreA-ZNumber of TeethHNumber of TeethNumber of TeethNumber of TeethNumber of TeethP

Pin- or Clamp-Type Hub 72 Pitch

Precision Anti-Backlash Gears
Catalog Number:
S1A5Select a BoreA-Choose a hub072Number of TeethNumber of TeethNumber of TeethNumber of Teeth

Fairloc® Hub
64 Pitch

Precision Anti-Backlash Gears
Catalog Number:
S1A5Select a BoreA-F064Number of TeethNumber of TeethNumber of TeethNumber of Teeth

Fairloc® Hub
64 Pitch Mini-Lash

Precision Anti-Backlash Gears
Catalog Number:
S1M5Select a BoreA-F064Number of TeethNumber of TeethNumber of TeethNumber of Teeth

Pin- or Clamp-Type Hub 64 Pitch

Precision Anti-Backlash Gears
Catalog Number:
S970Select a BoreA-ZNumber of TeethENumber of TeethNumber of TeethNumber of TeethNumber of TeethP

Pin- or Clamp-Type Hub 64 Pitch

Precision Anti-Backlash Gears
Catalog Number:
S1A5Select a BoreA-Choose a hub064Number of TeethNumber of TeethNumber of TeethNumber of Teeth

Fairloc® Hub
48 Pitch

Precision Anti-Backlash Gears
Catalog Number:
S1A5Select a BoreA-F048Number of TeethNumber of TeethNumber of TeethNumber of Teeth

Pin- or Clamp-Type Hub 48 Pitch

Precision Anti-Backlash Gears
Catalog Number:
S970Select a BoreA-ZNumber of TeethDNumber of TeethNumber of TeethNumber of TeethNumber of TeethP

Pin- or Clamp-Type Hub 48 Pitch

Precision Anti-Backlash Gears
Catalog Number:
S1A5Select a BoreA-Choose a hub048Number of TeethNumber of TeethNumber of TeethNumber of Teeth

Pin- or Clamp-Type Hub 32 Pitch

Precision Anti-Backlash Gears
Catalog Number:
S1A86A-Choose a hub032Number of TeethNumber of TeethNumber of TeethNumber of Teeth

Pin- or Clamp-Type Hub 24 Pitch

Precision Anti-Backlash Gears
Catalog Number:
S1A86A-Choose a hub024Number of TeethNumber of TeethNumber of TeethNumber of Teeth