200 Series Optimount® Helical Gear Speed Reducers

Boston Gear’s 200 Series Optimount™ helical speed reducers are highly adaptable and can be configured and applied in an extremely wide variety of mounting positions. Precision machined external surfaces allow for accurate alignment with other integral power transmission components.


F200 Series Optimount® Helical Gear Flanged Reducers

 

200 Series Optimount® Helical Gear Non-Flanged Reducers

CATALOG & MANUALS

 
Catalog Boston Gear 200 Series Optimount Helical Gear Speed Reducers Catalog
Dimensions Boston Gear 200 Series Dimensions
Order Form Boston Gear 200 Series Order Form

200 Series Optimount® Numbering System / How to Order

Reducer Material/Paint (Cast Iron)
Blank – Standard Paint
BK – BostKleen White Paint
SBK – Stainless BostKleen Paint

Input Shaft Style
Blank – Solid Projecting Input Shaft
F – Quill Style C-Face Motor Flange

Reducer Size Center Dist.
21 – 2.12
26 – 2.60
31 – 3.11
39 – 3.89
47 – 4.67

Number of Reductions
S – Single (4:1 only)
D – Double

Optional Output Shaft
Blank – Hollow bore
P – Removable Projection Shaft

Base/Mounting Attachment
Blank – None
H – Horizontal
V – Vertical

Nominal Gear Ratio (Rounded Value)
4 – 4:1
10 – 10:1
14 – 14:1
17 – 17:1
20 – 20:1
24 – 24:1

Lubrication
Blank – No Lubrication
K – Klubersynth UH1 6-460
W – Klubersynth GH6
S – Mobil SHC 634

NEMA Motor Mounting
Code  Bore – B5 B7 B9 B11
NEMA Mounting – 56C 140TC/180C, 180TC/210C, 180TC/210C, 180TC/210C
Input Size – .625, 875, 1.125, .375
Keyway – 3/16 x 3/32, 3/16 x 3/32, 1/4 x 1/8, 5/16 x 5/32

Output Shaft Material
Blank – Carbon Alloy Steel
S – Stainless

Assembly Type
Blank– No Base
H1 V1, H2 V2, H3, H4

Mounting Positions
Blank – No Lubrication Supplied

For Factory Prelubrication
Indicate Mounting Position
1 – Standard Mounting
2-6 – Refer to Mounting Positions in Catalog

How To Order:

Specify Model Number (Basic Hollow Output Shaft Reducer), Ratio, Input Bore Code, Horizontal or Vertical Base Kit and Output Shaft Kit.

 

Mounting Positions

Dimensions

Engineering Data