Stem Pinions

Discover a wide array of shaft couplings, chains and sprockets, belts and sheaves, and drive components.
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Boston Gear (Altra) NDR10   

Boston Gear® NDR10, Stem Pinion, Pitch: 12", Pressure Angle: 14.5°, Steel, 10 Teeth, Pitch Diameter: 7/8"

MI ITEM 00370175

CSN:

IN STOCK?
In stock
Boston Gear (Altra) NDR10
$157.31 each
for your price$157.31each
Boston Gear (Altra) NDR10

Boston Gear (Altra) NFR7   

Boston Gear NFR7 STEEL PINION GEAR

MI ITEM 00370358

CSN:

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Factory Order Item
Boston Gear (Altra) NFR7
$160.89 each
for your price$160.89each
Boston Gear (Altra) NFR7

Boston Gear (Altra) NAR8   

Boston Gear® NAR8, Stem Pinion, Pitch: 20", Pressure Angle: 14.5°, Steel, 8 Teeth, Pitch Diameter: 0.43"

MI ITEM 00369869

CSN:

IN STOCK?
Factory Order Item
Boston Gear (Altra) NAR8
$118.30 each
for your price$118.30each
Boston Gear (Altra) NAR8

Boston Gear (Altra) NBR6   

Boston Gear® NBR6, Stem Pinion, Pitch: 16", Pressure Angle: 14.5°, Steel, 6 Teeth, Pitch Diameter: 0.419"

MI ITEM 00370024

CSN:

IN STOCK?
Factory Order Item
Boston Gear (Altra) NBR6
$116.50 each
for your price$116.50each
Boston Gear (Altra) NBR6

Boston Gear (Altra) NAR10   

Boston Gear® NAR10, Stem Pinion, Pitch: 20", Pressure Angle: 14.5°, Steel, 10 Teeth, Pitch Diameter: 0.525"

MI ITEM 00369871

CSN:

IN STOCK?
Factory Order Item
Boston Gear (Altra) NAR10
$122.77 each
for your price$122.77each
Boston Gear (Altra) NAR10

Boston Gear (Altra) NDR5   

Boston Gear® NDR5, Stem Pinion, Pitch: 12", Pressure Angle: 14.5°, Steel, 5 Teeth, Pitch Diameter: 0.479"

MI ITEM 00370171

CSN:

IN STOCK?
Factory Order Item
Boston Gear (Altra) NDR5
$125.29 each
for your price$125.29each
Boston Gear (Altra) NDR5

Boston Gear (Altra) NDR7   

Boston Gear® NDR7, Stem Pinion, Pitch: 12", Pressure Angle: 14.5°, Steel, 7 Teeth, Pitch Diameter: 0.637"

MI ITEM 00370173

CSN:

IN STOCK?
Factory Order Item
Boston Gear (Altra) NDR7
$147.94 each
for your price$147.94each
Boston Gear (Altra) NDR7

Boston Gear (Altra) NHR10   

Boston Gear® NHR10, Stem Pinion, Pitch: 8", Pressure Angle: 14.5°, Steel, 10 Teeth, Pitch Diameter: 1.312"

MI ITEM 00370515

CSN:

IN STOCK?
Factory Order Item
Boston Gear (Altra) NHR10
$202.30 each
for your price$202.30each
Boston Gear (Altra) NHR10

Boston Gear (Altra) NJR6   

Boston Gear® NJR6, Stem Pinion, Pitch: 6", Pressure Angle: 14.5°, Steel, 6 Teeth, Pitch Diameter: 1.116"

MI ITEM 00370653

CSN:

IN STOCK?
Factory Order Item
Boston Gear (Altra) NJR6
$243.59 each
for your price$243.59each
Boston Gear (Altra) NJR6

Boston Gear (Altra) NJR10   

Boston Gear® NJR10, Stem Pinion, Pitch: 6", Pressure Angle: 14.5°, Steel, 10 Teeth, Pitch Diameter: 1-3/4"

MI ITEM 00370655

CSN:

IN STOCK?
Factory Order Item
Boston Gear (Altra) NJR10
$368.73 each
for your price$368.73each
Boston Gear (Altra) NJR10

Boston Gear (Altra) NBR5   

Boston Gear® NBR5, Stem Pinion, Pitch: 16", Pressure Angle: 14.5°, Steel, 5 Teeth, Pitch Diameter: 0.359"

MI ITEM 00370023

CSN:

IN STOCK?
Factory Order Item
Boston Gear (Altra) NBR5
$115.47 each
for your price$115.47each
Boston Gear (Altra) NBR5

Boston Gear (Altra) NDR6   

Boston Gear® NDR6, Stem Pinion, Pitch: 12", Pressure Angle: 14.5°, Steel, 6 Teeth, Pitch Diameter: 0.558"

MI ITEM 00370172

CSN:

IN STOCK?
Factory Order Item
Boston Gear (Altra) NDR6
$142.87 each
for your price$142.87each
Boston Gear (Altra) NDR6
Boston Gear (Altra) NDR10
NDR10
Boston Gear (Altra)

Boston Gear® NDR10, Stem Pinion, Pitch: 12", Pressure Angle: 14.5°, Steel, 10 Teeth, Pitch Diameter: 7/8"

MI ITEM 00370175

CSN

In stock
$157.31 each
Boston Gear (Altra) NDR10
Boston Gear (Altra) NFR7
NFR7
Boston Gear (Altra)

Boston Gear NFR7 STEEL PINION GEAR

MI ITEM 00370358

CSN

Factory Order Item
$160.89 each
Boston Gear (Altra) NFR7
Boston Gear (Altra) NAR8
NAR8
Boston Gear (Altra)

Boston Gear® NAR8, Stem Pinion, Pitch: 20", Pressure Angle: 14.5°, Steel, 8 Teeth, Pitch Diameter: 0.43"

MI ITEM 00369869

CSN

Factory Order Item
$118.30 each
Boston Gear (Altra) NAR8
Boston Gear (Altra) NBR6
NBR6
Boston Gear (Altra)

Boston Gear® NBR6, Stem Pinion, Pitch: 16", Pressure Angle: 14.5°, Steel, 6 Teeth, Pitch Diameter: 0.419"

MI ITEM 00370024

CSN

Factory Order Item
$116.50 each
Boston Gear (Altra) NBR6
Boston Gear (Altra) NAR10
NAR10
Boston Gear (Altra)

Boston Gear® NAR10, Stem Pinion, Pitch: 20", Pressure Angle: 14.5°, Steel, 10 Teeth, Pitch Diameter: 0.525"

MI ITEM 00369871

CSN

Factory Order Item
$122.77 each
Boston Gear (Altra) NAR10
Boston Gear (Altra) NDR5
NDR5
Boston Gear (Altra)

Boston Gear® NDR5, Stem Pinion, Pitch: 12", Pressure Angle: 14.5°, Steel, 5 Teeth, Pitch Diameter: 0.479"

MI ITEM 00370171

CSN

Factory Order Item
$125.29 each
Boston Gear (Altra) NDR5
Boston Gear (Altra) NDR7
NDR7
Boston Gear (Altra)

Boston Gear® NDR7, Stem Pinion, Pitch: 12", Pressure Angle: 14.5°, Steel, 7 Teeth, Pitch Diameter: 0.637"

MI ITEM 00370173

CSN

Factory Order Item
$147.94 each
Boston Gear (Altra) NDR7
Boston Gear (Altra) NHR10
NHR10
Boston Gear (Altra)

Boston Gear® NHR10, Stem Pinion, Pitch: 8", Pressure Angle: 14.5°, Steel, 10 Teeth, Pitch Diameter: 1.312"

MI ITEM 00370515

CSN

Factory Order Item
$202.30 each
Boston Gear (Altra) NHR10
Boston Gear (Altra) NJR6
NJR6
Boston Gear (Altra)

Boston Gear® NJR6, Stem Pinion, Pitch: 6", Pressure Angle: 14.5°, Steel, 6 Teeth, Pitch Diameter: 1.116"

MI ITEM 00370653

CSN

Factory Order Item
$243.59 each
Boston Gear (Altra) NJR6
Boston Gear (Altra) NJR10
NJR10
Boston Gear (Altra)

Boston Gear® NJR10, Stem Pinion, Pitch: 6", Pressure Angle: 14.5°, Steel, 10 Teeth, Pitch Diameter: 1-3/4"

MI ITEM 00370655

CSN

Factory Order Item
$368.73 each
Boston Gear (Altra) NJR10
Boston Gear (Altra) NBR5
NBR5
Boston Gear (Altra)

Boston Gear® NBR5, Stem Pinion, Pitch: 16", Pressure Angle: 14.5°, Steel, 5 Teeth, Pitch Diameter: 0.359"

MI ITEM 00370023

CSN

Factory Order Item
$115.47 each
Boston Gear (Altra) NBR5
Boston Gear (Altra) NDR6
NDR6
Boston Gear (Altra)

Boston Gear® NDR6, Stem Pinion, Pitch: 12", Pressure Angle: 14.5°, Steel, 6 Teeth, Pitch Diameter: 0.558"

MI ITEM 00370172

CSN

Factory Order Item
$142.87 each
Boston Gear (Altra) NDR6