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Boston Gear 30234303 F721-20-B7-G 20:1 single reduction worm gear speed reducer with 2.1" center distance. 700 Series cast iron housing with 140TC quill flange input and left-side solid output shaft. Output bore diameter is 1".
MODEL F721-20-B7-G
Contact supplier for technical support on: 800-626-2120
$977.73 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: See conditions
Bore/Shaft Diameter
1"
Center Distance
2.1"
Input Flange
140TC
Input Size
140TC
Input Style
Quill
Input Type
Flange
Output
Left
Output Type
Solid Output Shaft
Paint/Coating
Gray
Ratio
20 to 1
Reduction
Single
Shaft Projection
Left Side
SKU: 38771
Gear box oil
This has been very hard to find. It’s the oil spec’ed for my 1950s Rockwell wedge bed planer gear box. I haven’t found it anyplace else.
Read moreSKU: 34774
Quality
very high quality. using these gears in a model 9 cylinder radial engine with a 1" bore. about 8 h.p. , for oil pump a scavenge pump timing gears and distributor . very good quality gears.
Read moreSKU: 35989
Exactly what i needed
Item was exactly what I needed and a perfect fit for my project. Extremely happy.
Read moreSKU: 36216
Worm
Haven't used them yet, but they match the worm gear perfectly. They should serve the purpose for which I purchased them.
Read more
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SKU: 38771
Gear box oil
This has been very hard to find. It’s the oil spec’ed for my 1950s Rockwell wedge bed planer gear box. I haven’t found it anyplace else.
Read moreSKU: 34774
Quality
very high quality. using these gears in a model 9 cylinder radial engine with a 1" bore. about 8 h.p. , for oil pump a scavenge pump timing gears and distributor . very good quality gears.
Read moreSKU: 35989
Exactly what i needed
Item was exactly what I needed and a perfect fit for my project. Extremely happy.
Read moreSKU: 36216
Worm
Haven't used them yet, but they match the worm gear perfectly. They should serve the purpose for which I purchased them.
Read moreItem must be unused.
Item must be in it's original package.
25% Restocking, shipping and handling fees may apply to any return with this manufacturer.
For more information please consult https://www.mrosupply.com/page/returnwarranty-policy/