BOSTON GEAR Gears

Includes spur gears, miter gears and spiral-bevel gears in steel and cast-iron. Available in different bore, hub and outside diameters

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StyleModelPitch Dia.Diametral PitchBore Dia.No. Of ThreadsDirection Of RotationLead AngleMaterialPressure AnglePrice
AH1418RH1 1/4"10 DP3/4"2Right Hand9.0833°Steel14.5°€220.65
AH1066LH1 1/4"10 DP5/8"1Left Hand4.566°Steel14.5°€183.68
AH1066RH1 1/4"10 DP5/8"1Right Hand4.566°Steel14.5°€181.31
AH1418LH1.25"10-Double Thread--Steel-€233.40
StyleModelPitch Dia.No. Of TeethFace WidthHub Dia.Bore Dia.Diametral PitchPitchHub ProjectionPrice
ASS302-K0.87"269/64"3/4"1/4"30300.38"€221.53
ASS142-K1.86"265/16"1.38"5/8"14140.5"€353.63
ASS102-K3 2/5"349/16"2"1"10100.75"€432.70
ASS82-K4 1/4"3445/64"2 22/25"1 1/4"881.06"€647.36
BOSTON GEAR -

6 Diametral Pitch Cast Iron Spur Gears, 20 Degree Pressure Angle

StyleModelPitch Dia.No. Of TeethHub Dia.Bore Dia.Diametral PitchTypeMax. TorqueTorque @ 200 RpmPrice
AYJ33B5 1/2"333"1 1/8"6"Web--€490.21
BYJ36B6"363 1/2"1 1/8"6"Plain--€524.04
CYJ42B7"423 1/2"1 1/4"6B2891 lbs.-in. @ 300 RPM3439 lbs.-in.€551.57
DYJ48B8"483 1/2"1 1/4"6"Web---
RFQ
EYJ54B9"543 1/2"1 1/4"6B3477 lbs.-in. @ 300 RPM4243 lbs.-in.€771.51
FYJ60B10"604"1 1/4"6"Web--€833.00
GYJ66B11"664"1 1/4"6C3907 lbs.-in. @ 300 RPM4864 lbs.-in.€1,050.10
HYJ72B12"724"1 1/4"6D4045 lbs.-in. @ 300 RPM5080 lbs.-in.€991.46
IYJ96B16"964"1 1/4"6D5955 lbs.-in. @ 200 RPM5955 lbs.-in.€1,418.24
JYJ120B20"1204 1/2"1 3/8"6D9793 lbs.-in. @ 100 RPM6680 lbs.-in.€2,415.33
BOSTON GEAR -

20 Diametral Steel Change Gears, 14.5 Degree Pressure Angle

StyleModelPitch Dia.No. Of TeethFace WidthDiametral PitchTorqueMax. TorqueMaterialPressure AnglePrice
AGA301 1/2"303/8"20"--Steel14.5°€96.54
BGA251 1/4"253/8"20"--Steel14.5°€90.26
CGA241 1/5"243/8"20"--Steel14.5°€87.88
DGA281 2/5"283/8"20"--Steel14.5°€92.05
EGA351 3/4"353/8"20"--Steel14.5°€102.68
FGA361 4/5"363/8"20"--Steel14.5°€102.68
GGA201"203/8"20"--Steel14.5°€76.51
HGA221.1"223/8"20"--Steel14.5°€85.19
IGA261.3"263/8"20"--Steel14.5°€90.26
JGA321.6"320.38"2043.9 lbs.-in. @1800 RPM43.9 lbs.-in. @ 1800 RPMSteel-€99.51
KGA341.7"343/8"20"--Steel14.5°€102.68
LGA381.9"383/8"20"--Steel14.5°€104.61
MGA231.15"233/8"20"--Steel14.5°€82.94
NGA271.35"273/8"20"--Steel14.5°€90.26
OGA291.45"293/8"20"--Steel14.5°€94.15
PGA371.85"373/8"20"--Steel14.5°€104.61
QGA391.95"393/8"20"--Steel14.5°€104.61
RGA502 1/2"503/8"20"--Steel14.5°€115.83
SGA452 1/4"453/8"20"--Steel14.5°€114.02
TGA482 2/5"483/8"20"--Steel14.5°€114.02
UGA402"403/8"20"--Steel14.5°€106.10
VGA412.05"413/8"20"--Steel14.5°€107.30
WGA422.1"423/8"20"--Steel14.5°€107.30
XGA442.2"440.38"2066.2 lbs.-in. @1200 RPM66.2 lbs.-in. @ 1200 RPMSteel-€114.02
YGA462.3"463/8"20"--Steel14.5°€114.02
StyleModelPitch Dia.No. Of TeethHub Dia.Diametral PitchTypeKwy/setscrew/otherMax. TorqueLength Through BorePrice
A11232--------€238.02
A11250--------€303.49
A11280--------€380.48
A11154--------€150.98
A11124--------€119.79
A11282--------€389.92
A11172--------€176.46
A11184--------€184.50
A11142--------€142.60
A11210--------€218.18
A11144--------€136.80
A11194--------€192.99
A11230--------€238.02
A11220--------€231.40
A11276--------€365.84
A11168--------€174.87
A11246--------€253.12
A11266--------€352.30
A11258--------€316.09
A11212--------€217.09
A11248--------€261.64
A11200--------€207.33
A11140--------€136.03
A11242--------€259.10
A11190--------€197.41
BOSTON GEAR -

10 Diametral Steel Change Gears, 14.5 Degree Pressure Angle

StyleModelPitch Dia.No. Of TeethDiametral PitchTorqueMax. TorqueMaterialFace WidthPressure AnglePrice
AGF252 1/2"2510"--Steel1"14.5°€176.94
BGF242 2/5"2410"--Steel1"14.5°€169.93
CGF202"2010"--Steel1"14.5°€142.88
DGF212.1"2110"--Steel1"14.5°€150.80
EGF232.3"2310308.0 lbs.-in. @1200 RPM308 lbs.-in. @ 1200 RPMSteel1"-€169.93
FGF262.6"2610338.9 lbs.-in. @1200 RPM338.9 lbs.-in. @ 1200 RPMSteel1"-€191.29
GGF272.7"2710"--Steel1"14.5°€191.00
HGF282.8"2810357.0 lbs.-in. @1200 RPM357 lbs.-in. @ 1200 RPMSteel1"-€195.75
IGF292.9"2910"--Steel1"14.5°€204.75
JGF303"3010"--Steel1"14.5°€200.99
BOSTON GEAR -

12 Diametral Pitch Steel Spur Gears, 14.5 Degree Pressure Angle

StyleModelPitch Dia.No. Of TeethHub Dia.Diametral PitchBore Dia.TypeHub ProjectionKey Way SizePrice
AND18 B1 1/2"181.14"125/8"-0.5"-€95.72
BND18B-5/81 1/2"181.14"12"5/8"Plain1/2"3/16" x 3/32"€117.22
CND15B-5/81 1/4"151"12"0.63"Plain1/2"3/16" x 3/32"€108.75
DND15B1 1/4"151"12"5/8"Plain1/2"-€81.45
END21B-7/81 3/4"211.39"12"7/8"Plain1/2"3/16" x 3/32"€160.21
FND21B-5/81 3/4"211.39"125/8"A--€139.41
DND21B1 3/4"211.39"12"5/8"Plain1/2"-€100.42
GND21B-3/41 3/4"211.39"123/4"A--€153.43
HND11B-1/21"113/4"121/2"---€87.94
AND12 B1"123/4"121/2"-0.5"-€75.97
IND12B-1/21"123/4"12"1/2"Plain1/2"1/8" x 1/16"€87.94
DND11B1"113/4"12"1/2"Plain1/2"-€67.84
JND13 B1.083"130.83"121/2"A1/2"-€59.74
RFQ
DND14B1.17"140.91"12----€84.43
KND22B-11.83"221.48"12----€154.62
LND14B-1/21.167"140.91"12"1/2"Plain1/2"-€100.32
MND16B-5/81.333"16-12"0.63"Plain1/2"3/16" x 3/32"€117.53
AND20 B1.667"201.31"125/8"-0.5"-€102.46
NND20B-5/81.667"201.31"-0.63"Plain1/2"-€132.89
OND20B-3/41.667"201.31"12"3/4"Plain1/2"3/16" x 3/32"€141.80
PND22B-5/81.833"221 12/25"12"5/8"Plain1/2"3/16" x 3/32"€154.62
DND22B1.833"221 12/25"12"5/8"Plain1/2"-€115.35
QND22B-7/81.833"221 12/25"12"7/8"Plain1/2"3/16" x 3/32"€158.40
RND22B-3/41.833"221 12/25"12"3/4"Plain1/2"3/16" x 3/32"€172.43
AND302 1/2"302.14"125/8"-0.63"-€141.41
BOSTON GEAR -

6 Diametral Pitch Cast Iron Spur Gears, 14.5 Degree Pressure Angle

StyleModelPitch Dia.No. Of TeethHub Dia.Bore Dia.Diametral PitchTypeHub ProjectionLength Through BorePrice
ANJ335 1/2"332 1/2"1 1/8"6"Web1"-€508.25
BNJ325.333"322 1/2"1 1/8"6B-2 3/8"€484.49
CNJ366"362 1/2"1 1/8"6"Web1"-€550.84
DNJ406.667"402 1/2"1 1/8"6"Web1"-€623.93
ENJ427"422 1/2"1 1/8"6"Web1"-€622.28
FNJ488"482 1/2"1 1/8"6"Spoke1"-€597.06
GNJ549"542 1/2"1 1/8"6D-2 3/8"€642.51
HNJ6010"603"1 1/4"6"Spoke1 1/4"-€677.30
INJ6410.667"643"1 1/4"6"Spoke1 1/4"-€718.83
JNJ6611"663"1 1/4"6D-2 3/4"€716.24
KNJ7212"723"1 1/4"6"Spoke1 1/4"-€753.86
LNJ8414"843 1/4"1 1/4"6D-2 3/4"€896.61
MNJ9616"963 1/4"1 1/4"6D-2 3/4"€1,100.28
NNJ120B20"1203 1/2"1 1/4"6D1 1/2"3"€1,662.22
BOSTON GEAR -

16 Diametral Pitch Non Metallic Spur Gears, 14.5 Degree Pressure Angle

StyleModelPitch Dia.No. Of TeethBore Dia.Hub Dia.MaterialPressure AngleFace WidthDiametral PitchPrice
AQBH241 1/2"241/2"1.31"Non Metallic14.5°1/2"16"€217.58
BQBH201 1/4"203/8"1.06"Non Metallic14.5°1/2"16"€190.84
CQBH161"163/8"0.81"Non Metallic14.5°1/2"16"€215.80
DQB402 1/2"401/2"-Non Metallic14.5°1/2"16"€176.20
EQB483"481/2"-Non Metallic14.5°1/2"16"€228.96
FQB644"641/2"-Non Metallic14.5°1/2"16"€329.08
BOSTON GEAR -

48 Diametral Pitch Brass Spur Gears, 20 Degree Pressure Angle

StyleModelPitch Dia.No. Of TeethFace WidthHub Dia.Diametral PitchBore Dia.Bore SizeHub ProjectionPrice
AY48150.31"150.13"0.22"48-0.13"-€44.30
BY48180.38"180.13"0.28"48-0.13"-€49.38
CY48270.56"270.13"0.44"48-0.19"-€54.30
DY48300.63"300.13"0.44"48-0.19"-€63.69
EY48420.88"420.13"0.56"48-0.19"-€85.78
FY48210.438"211/8"0.34"48"1/8"-0.19"€53.84
GY48721 1/2"721/8"3/4"48"1/4"-1/4"€155.58
HY48841 3/4"841/8"0.81"48"1/4"-1/4"€182.33
IY48481"480.13"0.63"48-0.25"-€96.38
JY48541.13"540.13"0.69"48-0.25"-€134.64
KY48601.25"600.13"0.69"48-0.25"-€134.96
LY48661.38"660.13"0.75"48-0.25"-€154.54
MY48241/2"240.13"0.38"48-0.19"-€54.15
NY48121/4"120.13"0.17"48-0.13"-€40.77
OY48962"960.13"0.88"48-0.25"-€199.21
PY481202.5"1200.13"0.75"48-0.31"-€215.80
QY481443"1440.13"0.88"48-0.31"-€236.43
RY48363/4"361/8"1/2"48"0.188"-1/4"€65.85
SY481924"1920.13"1"48-0.31"-€302.77
BOSTON GEAR -

5 Diametral Pitch Steel Spur Gears, 20 Degree Pressure Angle

StyleModelPitch Dia.No. Of TeethHub Dia.Diametral PitchBore Dia.Bore SizeTorqueMax. TorquePrice
AYK142 4/5"142.17"5"1 1/8"---€267.96
BYK122.4"121.78"5-1.13"1302 lbs.-in. @1200 RPM1302 lbs.-in. @ 1200 RPM€243.14
CYK153"152.38"5-1.13"1686 lbs.-in. @1200 RPM1686 lbs.-in. @ 1200 RPM€302.62
DYK163.2"162.58"5-1.13"2093 lbs.-in. @ 900 RPM2093 lbs.-in. @ 900 RPM€335.66
EYK183.6"182.97"5-1.25"2295 lbs.-in. @ 900 RPM2295 lbs.-in. @ 900 RPM€373.16
FYK204"203.38"5"1 1/4"---€400.95
StyleModelMPNPrice
A1244412444€640.61
A1244612446€382.32
BOSTON GEAR -

5 Diametral Pitch Cast Iron Spur Gears, 20 Degree Pressure Angle

StyleModelPitch Dia.No. Of TeethHub Dia.Bore Dia.TypeLength Through BoreMax. TorqueTorque @ 200 RpmPrice
Ayk24--------€388.83
RFQ
Ayk45b--------€690.88
Ayk70b--------€1,858.24
BYK25B5"253 3/4"1 1/8"A3 3/4"2203 lbs.-in. @ 600 RPM3542 lbs.-in.€433.18
CYK285.6"283 3/4"1 1/8"A3 3/4"2396 lbs.-in. @ 600 RPM3970 lbs.-in.€470.29
DYK30B6"303 3/4"1 1/8"A3 3/4"2506 lbs.-in. @ 600 RPM4230 lbs.-in.€513.72
EYK35B7"353 3/4"1 1/4"B3 3/4"4199 lbs.-in. @ 300 RPM4995 lbs.-in.€657.40
FYK40B8"403 3/4"1 1/4"B3 3/4"4639 lbs.-in. @ 300 RPM5593 lbs.-in.€716.24
GYK50B10"504"1 1/4"C3 3/4"5304 lbs.-in. @ 300 RPM6540 lbs.-in.€990.83
RFQ
GYK60B12"604.38"1 3/8"C4"5892 lbs.-in. @ 300 RPM7400 lbs.-in.€1,105.16
RFQ
HYK80B16"804.38"1 3/8"D4"8932 lbs.-in. @ 200 RPM8932 lbs.-in.€1,863.18
GYK120B24"1205"1 1/2"D4 1/4"16125 lbs.-in. @ 100 RPM10666 lbs.-in.€3,761.96
RFQ
IYK180B36"1805 1/2"1 5/8"D4 1/2"19787 lbs.-in. @ 100 RPM12281 lbs.-in.€6,209.67
BOSTON GEAR -

LH Unhardened Steel Worms

StyleModelPitch Dia.Hub Dia.Diametral PitchLength Through BoreBore SizeFace Thread LengthMaterialPressure AnglePrice
ADH1427 LH1 1/2" , 1.5"1.18"82 3/8" , 2.375"0.75" , 3/4"1 3/4"Steel , Steel, Unhardened14.5°€151.63
BDH1438 LH2"1 14/25"63 1/4" , 3.25"7/8"2 1/2"Steel , Steel, Unhardened14.5°€229.11
BOSTON GEAR -

6 Diametral Pitch Steel Spur Gears, 14.5 Degree Pressure Angle

StyleModelPitch Dia.No. Of TeethHub Dia.Diametral PitchBore Dia.TypeKeywayBore SizePrice
ANJ15B2 1/2"151.94"6"1"Plain--€212.80
BNJ12 B2"121 11/25"61"-No-€172.13
CNJ11B-12"111.44"6--With Kwy & Setscrew1"€230.06
DNJ12B-12"121 11/25"6"1"Plain--€224.17
ENJ11B2"111.44"6--No Kwy Or Setscrew1"€170.95
FNJ15B-12.5"151.94"6--With Kwy & Setscrew1"€292.97
GNJ14B-12.33"141.78"6--With Kwy & Setscrew1"€261.59
ANJ14B2.33"141.78"6--No Kwy Or Setscrew1"€190.40
HNJ16B-12.67"162.13"6--With Kwy & Setscrew1"€311.52
INJ14B-1 1/82.333"141.78"61 1/8"AWith Keyway-€261.59
BNJ16 B2.667"162.13"61"-No-€223.88
JNJ21B3 1/2"212.94"6"1"Plain--€278.26
KNJ18B-1 1/83"182.45"61 1/8"AWith Keyway-€349.54
BNJ18 B3"182.45"61"-No-€270.41
LNJ18B-13"182.45"6--With Kwy & Setscrew1"€349.24
MNJ20-13.33"202.78"6--With Kwy & Setscrew1"€375.49
BNJ24A4"243"61 1/8"-No-€407.65
NNJ27A4.5"273.5"6--No Kwy Or Setscrew1.13"€433.08
BNJ30A5"304"61 1/8"-No-€491.08
StyleModelMPNPrice
A4998449984€68.90
RFQ
A4998549985€82.11
RFQ
StyleModelMPNPrice
A1324813248€659.97
A1325013250€687.22
A1325213252€865.50
A1325413254€981.45
A1325613256€1,365.80
A1325813258€2,947.73
StyleModelMaterialBore Dia.No. Of TeethPressure AngleFace WidthDiametral PitchHub Dia.Gear TypePrice
A10068--------€56.87
A10052--------€49.68
A10094--------€63.18
A10812--------€95.24
A10860--------€118.07
A46014--------€54.45
A46022--------€77.46
A10232--------€140.60
A09662--------€22.73
RFQ
A46017--------€60.45
A10828--------€105.61
A09680--------€36.35
A10226--------€105.83
A10082--------€59.52
A10880--------€125.00
A10216--------€88.70
A10810--------€95.24
A10832--------€105.61
A10902--------€137.10
A10218--------€89.99
A46010--------€53.84
A10220--------€91.48
A46025--------€82.33
A10914--------€163.25
A10230--------€137.21
BOSTON GEAR -

48 Diametral Pitch Molded Delrin Spur Gears, 20 Degree Pressure Angle

StyleModelPitch Dia.No. Of TeethFace WidthHub Dia.Bore Dia.TypeKeywayBore SizePrice
Ayp4842--------€35.27
Aypb4854--------€63.18
BYPB48320.67"320.13"0.55"--No Kwy Or Setscrew0.19"€55.67
CYP48400.833"401/8"0.55"0.188"ANo Kwy, Setscrew-€35.77
DYP48481"480.13"0.61"--No Kwy Or Setscrew0.25"€36.96
EYPB48481"480.13"0.61"--No Kwy, Setscrew1/4"€64.20
FYPB48721.5"720.13"0.61"--No Kwy Or Setscrew0.25"€71.94
GYP48601.25"600.13"0.61"--No Kwy Or Setscrew0.25"€44.48
HYP48641.33"640.13"0.61"--No Kwy Or Setscrew0.25"€44.30
IYPB48641.33"641/8"0.61"1/4"BNo Kwy, Setscrew-€66.36
JYPB48801.667"801/8"0.61"1/4"BNo Kwy, Setscrew-€75.36
KYPB48241/2"241/8"0.4"1/8"ANo Kwy, Setscrew-€53.51
LYP48241/2"241/8"0.41"0.156"ANo Kwy, Setscrew-€31.93
MYPB481202 1/2"1201/8"0.61"1/4"BNo Kwy, Setscrew-€90.80
NYP481202 1/2"1201/8"0.61"1/4"BNo Kwy, Setscrew-€65.71
OYP481082 1/4"1081/8"0.61"1/4"BNo Kwy, Setscrew-€61.86
PYP48962"961/8"0.61"1/4"BNo Kwy, Setscrew-€53.51
QYPB48962"961/8"0.61"1/4"BNo Kwy, Setscrew-€77.49
RYPB48363/4"361/8"0.55"0.188"ANo Kwy, Setscrew-€59.18
SYP48363/4"361/8"0.55"0.188"ANo Kwy, Setscrew-€33.78
StyleModelMaterialPressure AngleNo. Of TeethFace WidthBore Dia.Diametral PitchGear TypeHandPrice
A18280--------€103.65
RFQ
A18312--------€121.83
A18300--------€75.64
A18284--------€103.79
RFQ
A18270--------€88.41
RFQ
A18268--------€89.99
RFQ
A18290--------€58.05
RFQ
A18314--------€119.18
A18306--------€80.33
A18296--------€73.44
A18304--------€80.33
A18298--------€73.44
A18302--------€75.64
A18292--------€65.52
A18308--------€95.28
A18276--------€83.40
RFQ
A18278--------€84.88
RFQ
A18272--------€83.26
RFQ
A18294--------€65.52
A18288--------€58.05
RFQ
A18286--------€99.40
RFQ
A18282--------€101.00
RFQ
A18310--------€93.10
A18274Steel14.5°103/8"1/4"24HelicalLeft Hand€81.22
RFQ
StyleModelMPNPrice
A6350663506€56.75
A6350763507€77.26
A6350863508€86.19
A6350963509€97.77
A6351063510€125.49
A6351163511€166.40
A6351363513€67.74
A6351463514€86.19
A6351563515€102.62
A6351663516€114.80
A6351963519€92.94
A6352063520€115.79
A6352163521€130.30
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