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Spur Gears

Spur gears are cylindrical gears with straight teeth parallel to the gear axis, designed to transmit motion and torque between parallel shafts in various industrial applications. They are known for their efficiency, ease of manufacturing, and ability to handle high loads, making them a common choice for power transmission systems, machinery, and other mechanical devices. Proper selection and maintenance of spur gears are crucial for ensuring smooth operation and longevity of mechanical systems.
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Item
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#34701
QB48
Boston 30214780 09002 QB48 DIAMETRAL PITCH: 16 D.P. TEETH: 48 PRESSURE ANGLE: 14.5 DEGREE
Brand Boston Gear
Model QB48
$157.06 Each
Free Shipping orders over $100
#34938
H2430
Boston 30215058 09612 H2430 DIAMETRAL PITCH: 24 D.P. TEETH: 30 PRESSURE ANGLE: 14.5 DEGREE
Brand Boston Gear
Model H2430
$56.33 Each
Free shipping
#34947
S2412
Boston 30215067 09630 S2412 DIAMETRAL PITCH: 24 D.P. TEETH: 12 PRESSURE ANGLE: 14.5 DEGREE
Brand Boston Gear
Model S2412
$26.81 Each
Free shipping
#35083
YA20
Boston 30215203 09902 YA20 DIAMETRAL PITCH: 20 D.P. TEETH: 20 PRESSURE ANGLE: 20 DEGREE
Brand Boston Gear
Model YA20
$42.43 Each
Free shipping
#35085
YA30
Boston 30215205 09906 YA30 DIAMETRAL PITCH: 20 D.P. TEETH: 30 PRESSURE ANGLE: 20 DEGREE
Brand Boston Gear
Model YA30
$46.64 Each
Free shipping
#35246
NB40A
Boston 30215988 10244 NB40A DIAMETRAL PITCH: 16 D.P. TEETH: 40 PRESSURE ANGLE: 14.5 DEGREE
Brand Boston Gear
Model NB40A
$88.31 Each
Free shipping
#35247
NB48A
Boston 30215989 10246 NB48A DIAMETRAL PITCH: 16 D.P. TEETH: 48 PRESSURE ANGLE: 14.5 DEGREE
Brand Boston Gear
Model NB48A
$98.81 Each
Free shipping
#35265
ND42A
Boston 30216007 10282 ND42A DIAMETRAL PITCH: 12 D.P. TEETH: 42 PRESSURE ANGLE: 14.5 DEGREE
Brand Boston Gear
Model ND42A
$109.50 Each
Free Shipping orders over $100
#35313
NH48
Boston 30216057 10384 NH48 DIAMETRAL PITCH: 8 D.P. TEETH: 48 PRESSURE ANGLE: 14.5 DEGREE
Brand Boston Gear
Model NH48
$333.49 Each
Free Shipping orders over $100
#35411
YD36A
Boston 30216162 10596 YD36A DIAMETRAL PITCH: 12 D.P. TEETH: 36 PRESSURE ANGLE: 20 DEGREE
Brand Boston Gear
Model YD36A
$110.04 Each
Free Shipping orders over $100
#35413
YD48A
Boston 30216164 10600 YD48A DIAMETRAL PITCH: 12 D.P. TEETH: 48 PRESSURE ANGLE: 20 DEGREE
Brand Boston Gear
Model YD48A
$146.90 Each
Free Shipping orders over $100
#37310
ND12B-1/2
Boston 30229684 46061 ND12B-1/2 DIAMETRAL PITCH: 12 D.P. TEETH: 12 PRESSURE ANGLE: 14.5 DEGREE
Brand Boston Gear
Model ND12B-1/2
$60.34 Each
Free shipping
#37338
NF20B-1
Boston 30229712 46089 NF20B-1 DIAMETRAL PITCH: 10 D.P. TEETH: 20 PRESSURE ANGLE: 14.5 DEGREE
Brand Boston Gear
Model NF20B-1
$117.67 Each
Free Shipping orders over $100
#37382
YA20-1/2
Boston 30229756 46133 YA20-1/2 DIAMETRAL PITCH: 20 D.P. TEETH: 20 PRESSURE ANGLE: 20 DEGREE
Brand Boston Gear
Model YA20-1/2
$57.79 Each
Free shipping
#37395
YB20-5/8
Boston 30229769 46146 YB20-5/8 DIAMETRAL PITCH: 16 D.P. TEETH: 20 PRESSURE ANGLE: 20 DEGREE
Brand Boston Gear
Model YB20-5/8
$64.27 Each
Free shipping
#37408
YD13-5/8
Boston 30229782 46159 YD13-5/8 DIAMETRAL PITCH: 12 D.P. TEETH: 13 PRESSURE ANGLE: 20 DEGREE
Read 1 review
Brand Boston Gear
Model YD13-5/8
$60.07 Each
Free shipping
#251103
S1015
Martin S1015 steel spur gear with 10 diametral pitch, 15 teeth, and 14.5-degree pressure angle. Plain bore design for custom machining. Outside diameter 1.700". Stock spur gear for power transmission applications.
Brand Martin Sprocket
Model S1015
$78.37 Each
Free shipping
#251112
S1020
Martin S1020 steel spur gear with 10 diametral pitch, 20 teeth, and 14.5-degree pressure angle. Plain bore design for custom machining. Outside diameter 2.200", weight 1.06 lbs. Stock spur gear for power transmission applications.
Brand Martin Sprocket
Model S1020
$101.57 Each
Free Shipping orders over $100
#251125
S1030
Martin Sprocket S1030 steel spur gear with 10 diametral pitch, 30 teeth, and 14.5-degree pressure angle. Plain bore design for custom shaft fitting. Outside diameter 3.200". Weight 2.6 lbs. Direct replacement for Boston Gear and Browning 10 DP spur gears.
Brand Martin Sprocket
Model S1030
$112.09 Each
Free Shipping orders over $100
#251133
S1048
Martin Sprocket S1048 steel spur gear, 10 diametral pitch, 48 teeth, 14.5-degree pressure angle, 5.000" outside diameter. Stock spur gear for power transmission applications. Compatible with other 14.5-degree PA gears.
Brand Martin Sprocket
Model S1048
$160.91 Each
Free Shipping orders over $100
#251137
S1060
Martin Sprocket S1060 steel spur gear with 10 diametral pitch, 60 teeth, and 14.5-degree pressure angle. Outside diameter 6.200". Stock spur gear for power transmission applications. Compatible with other 14.5-degree PA gears.
Brand Martin Sprocket
Model S1060
$181.80 Each
Free Shipping orders over $100
#251140
S1212
Martin Sprocket S1212 steel spur gear with 12 diametral pitch, 12 teeth, and 14.5-degree pressure angle. Features a 1.167" outside diameter and weighs 0.16 lbs. Suitable for power transmission applications requiring precise gear meshing.
Brand Martin Sprocket
Model S1212
$49.63 Each
Free shipping
#251146
S1215
Martin Sprocket S1215 steel spur gear with 12 diametral pitch, 15 teeth, and 14.5-degree pressure angle. Features a 1.417" outside diameter and weighs 0.27 lbs. Suitable for power transmission applications requiring precise gear meshing.
Brand Martin Sprocket
Model S1215
$62.14 Each
Free shipping
#251151
S1218
Martin Sprocket S1218 steel spur gear features 12 diametral pitch, 18 teeth, and 14.5-degree pressure angle. 1.667" outside diameter. 14.5-degree pressure angle gears are not interchangeable with 20-degree PA gears. Stock spur gear for industrial power
Brand Martin Sprocket
Model S1218
$67.73 Each
Free shipping
#251167
S1224
Martin S1224 steel spur gear with 12 diametral pitch, 24 teeth, and 14.5-degree pressure angle. Plain bore design for custom shaft fitting. Outside diameter 2.166". Weight 0.88 lbs. Compatible with other 14.5-degree PA gears.
Brand Martin Sprocket
Model S1224
$94.14 Each
Free shipping
#251175
S1230
Martin S1230 steel spur gear with 12 diametral pitch, 30 teeth, and 14.5-degree pressure angle. Outside diameter 2.667". Stock spur gear for power transmission applications. Compatible with other 14.5-degree PA gears.
Brand Martin Sprocket
Model S1230
$101.57 Each
Free Shipping orders over $100
#251176
S1232
Martin S1232 steel spur gear with 12 diametral pitch, 32 teeth, and 14.5-degree pressure angle. Outside diameter 2.833". Stock spur gear for power transmission applications.
Brand Martin Sprocket
Model S1232
$92.07 Each
Free shipping
#251178
S1236
Martin S1236 steel spur gear with 12 diametral pitch, 36 teeth, and 14.5-degree pressure angle. Plain bore design for custom machining. Outside diameter 3.167". Stock spur gear for power transmission applications.
Brand Martin Sprocket
Model S1236
$96.66 Each
Free shipping
#251180
S1240
Martin S1240 steel spur gear with 12 diametral pitch, 40 teeth, and 14.5-degree pressure angle. Plain bore design for custom shaft fitting. Outside diameter 3.500". Weight 2.54 lbs. Stock spur gear for power transmission applications.
Brand Martin Sprocket
Model S1240
$101.69 Each
Free Shipping orders over $100
#251183
S1248
Martin S1248 steel spur gear with 12 diametral pitch, 48 teeth, and 14.5-degree pressure angle. Plain bore design for custom shaft fitting. Outside diameter 4.166". Weight 3.5 lbs. Stock spur gear for power transmission applications.
Brand Martin Sprocket
Model S1248
$108.41 Each
Free Shipping orders over $100
#251201
S1616
Martin S1616 Steel Spur Gear, 16 Diametral Pitch, 16 Teeth, 14.5-Degree Pressure Angle. Stock steel spur gear for power transmission applications. Outside diameter: 1.125".
Brand Martin Sprocket
Model S1616
$45.45 Each
Free shipping
#251204
S1618
Martin Sprocket S1618 steel spur gear with 16 diametral pitch, 18 teeth, and 14.5-degree pressure angle. Features a plain bore design for custom shaft fitting. Outside diameter is 1.250". Ideal for power transmission applications requiring precise gear
Brand Martin Sprocket
Model S1618
$48.69 Each
Free shipping
#251207
S1620
Martin Sprocket S1620 steel spur gear with 16 diametral pitch, 20 teeth, and 14.5-degree pressure angle. Features a plain bore design for custom machining. Outside diameter is 1.375". Ideal for power transmission applications requiring precise gear
Brand Martin Sprocket
Model S1620
$50.55 Each
Free shipping
#251243
S1640
Martin Sprocket S1640 steel spur gear features 16 diametral pitch, 40 teeth, and a 14.5-degree pressure angle. With a 2.626" outside diameter and weighing 1.06 lbs, this stock spur gear is designed for industrial power transmission applications. Note:
Brand Martin Sprocket
Model S1640
$100.63 Each
Free Shipping orders over $100
#251249
S1660
Martin Sprocket S1660 steel spur gear with 16 diametral pitch, 60 teeth, and 14.5-degree pressure angle. 3.875" outside diameter. 14.5-degree pressure angle gears are not interchangeable with 20-degree PA gears. Stock spur gear for power transmission
Brand Martin Sprocket
Model S1660
$122.88 Each
Free Shipping orders over $100
#251250
S1664
Martin Sprocket S1664 steel spur gear with 16 diametral pitch, 64 teeth, and 14.5-degree pressure angle. Outside diameter 4.125". Plain bore (requires finishing). Stock spur gear for power transmission applications.
Brand Martin Sprocket
Model S1664
$131.71 Each
Free Shipping orders over $100
#251256
S1696
Martin Sprocket S1696 steel spur gear with 16 diametral pitch, 96 teeth, and 14.5-degree pressure angle. Outside diameter is 6.125". Stock spur gear for power transmission applications.
Brand Martin Sprocket
Model S1696
$136.34 Each
Free Shipping orders over $100
#251277
S2020
Martin S2020 steel spur gear with 20 diametral pitch, 20 teeth, and 14.5-degree pressure angle. Plain bore design for custom machining. Outside diameter 1.100". Stock spur gear for power transmission applications.
Brand Martin Sprocket
Model S2020
$44.53 Each
Free shipping
#251306
S2040
Martin Sprocket S2040 steel spur gear with 20 diametral pitch, 40 teeth, and 14.5-degree pressure angle. Plain bore design for custom machining. Outside diameter 2.100", weight 0.64 lbs. Stock spur gear for power transmission applications.
Brand Martin Sprocket
Model S2040
$78.37 Each
Free shipping
#251326
S24120
Martin Sprocket S24120 steel spur gear, 24 diametral pitch, 120 teeth, 14.5-degree pressure angle, 5.083" outside diameter. 14.5-degree pressure angle gears are not interchangeable with 20-degree PA gears.
Brand Martin Sprocket
Model S24120
$145.57 Each
Free Shipping orders over $100
#251337
S2424
Martin Sprocket S2424 steel spur gear with 24 diametral pitch, 24 teeth, and 14.5-degree pressure angle. Features a 1.083" outside diameter and weighs 0.14 lbs. Suitable for power transmission applications requiring precise gear engagement.
Brand Martin Sprocket
Model S2424
$56.10 Each
Free shipping
#251381
S412
Martin S412 steel spur gear with 4 diametral pitch, 12 teeth, and 14.5-degree pressure angle. Outside diameter 3.500". Steel construction for durability in power transmission applications.
Brand Martin Sprocket
Model S412
$196.54 Each
Free Shipping orders over $100
#251387
S416
Martin S416 steel spur gear with 4 diametral pitch, 16 teeth, and 14.5-degree pressure angle. Plain bore design for custom shaft fitting. Outside diameter 4.500". Weight 7.98 lbs. Stock spur gear for power transmission applications.
Brand Martin Sprocket
Model S416
$274.84 Each
Free Shipping orders over $100
#251446
S612
Martin S612 steel spur gear with 6 diametral pitch, 12 teeth, and 14.5-degree pressure angle. Plain bore design for custom machining. Outside diameter 2.333". Stock spur gear for power transmission applications.
Brand Martin Sprocket
Model S612
$109.97 Each
Free Shipping orders over $100
#251454
S615
Martin S615 steel spur gear with 6 diametral pitch, 15 teeth, and 14.5-degree pressure angle. Plain bore design for custom shaft fitting. Outside diameter 2.833", weight 2.18 lbs. Suitable for power transmission applications requiring 14.5-degree PA
Brand Martin Sprocket
Model S615
$112.09 Each
Free Shipping orders over $100
#251476
S624
Martin S624 steel spur gear with 6 diametral pitch, 24 teeth, and 14.5-degree pressure angle. Plain bore design for custom machining. Outside diameter 4.333". Stock spur gear for power transmission applications.
Brand Martin Sprocket
Model S624
$196.54 Each
Free Shipping orders over $100
#251515
S820
Martin S820 steel spur gear with 8 diametral pitch, 20 teeth, and 14.5-degree pressure angle. Features a plain bore design for direct shaft mounting. Outside diameter is 2.750" and weight is 2.04 lbs. Suitable for power transmission applications
Brand Martin Sprocket
Model S820
$127.10 Each
Free Shipping orders over $100
#251524
S824
Martin S824 steel spur gear with 8 diametral pitch, 24 teeth, and 14.5-degree pressure angle. Features a plain bore for custom machining. Outside diameter is 3.250". Stock spur gear for power transmission applications.
Brand Martin Sprocket
Model S824
$132.96 Each
Free Shipping orders over $100
#251528
S832
Martin Sprocket S832 steel spur gear with 8 diametral pitch, 32 teeth, and 14.5-degree pressure angle. Outside diameter 4.250". Stock spur gear for power transmission applications. Compatible with other 14.5-degree PA gears.
Brand Martin Sprocket
Model S832
$181.80 Each
Free Shipping orders over $100
#251606
TS1025
Martin TS1025 steel spur gear with 10 diametral pitch, 25 teeth, and 20-degree pressure angle. Features a 2.700" outside diameter and weighs 2.0 lbs. Designed for power transmission applications requiring precise tooth engagement. Compatible with other
Brand Martin Sprocket
Model TS1025
$103.36 Each
Free Shipping orders over $100
#251633
TS1218
Martin TS1218 steel spur gear with 12 diametral pitch, 18 teeth, and 20-degree pressure angle. Features a plain bore design for custom machining. Outside diameter: 1.667". Weight: 0.51 lbs. Compatible with other 20-degree PA gears.
Brand Martin Sprocket
Model TS1218
$67.06 Each
Free shipping
#251642
TS1224
Martin TS1224 steel spur gear with 20-degree pressure angle (PA), 12 diametral pitch (DP), 24 teeth, and 2.166" outside diameter. 20-degree PA gears are not interchangeable with 14.5-degree PA gears. Stock spur gear from Martin Sprocket & Gear.
Brand Martin Sprocket
Model TS1224
$93.22 Each
Free shipping
#251675
TS1620
Martin TS1620 steel spur gear with 16 diametral pitch, 20 teeth, and 20-degree pressure angle. 1.375" outside diameter, 0.2800 lb weight. 20-degree PA steel gear for high-torque power transmission applications.
Brand Martin Sprocket
Model TS1620
$50.06 Each
Free shipping
#251704
TS1696
Martin TS1696 steel spur gear with 16 diametral pitch, 96 teeth, and 20-degree pressure angle. 6.125" outside diameter. 20-degree PA steel spur gear for power transmission applications requiring high tooth strength and smooth operation.
Brand Martin Sprocket
Model TS1696
$134.99 Each
Free Shipping orders over $100
#251717
TS2020
Martin TS2020 steel spur gear with 20 diametral pitch, 20 teeth, and 20-degree pressure angle. Features a 1.100" outside diameter and weighs 0.1300 lbs. Suitable for power transmission applications requiring precise gear meshing.
Brand Martin Sprocket
Model TS2020
$44.08 Each
Free shipping
#251721
TS2024
Martin TS2024 steel spur gear with 20 diametral pitch, 24 teeth, and 20-degree pressure angle. Features a plain bore design for custom machining. Outside diameter: 1.300". Weight: 0.2200 lbs.
Brand Martin Sprocket
Model TS2024
$49.14 Each
Free shipping
#251726
TS2030
Martin TS2030 steel spur gear with 20-degree pressure angle, 20 diametral pitch, 30 teeth, and 1.600" outside diameter. Stock spur gear for power transmission applications requiring 20-degree pressure angle.
Brand Martin Sprocket
Model TS2030
$55.55 Each
Free shipping
#251732
TS2040
Martin TS2040 steel spur gear with 20 diametral pitch, 40 teeth, and 20-degree pressure angle. Features a 2.100" outside diameter and weighs 0.76 lbs. Designed for high-speed and high-load applications where 20-degree pressure angle gears are specified.
Brand Martin Sprocket
Model TS2040
$77.59 Each
Free shipping
#251750
TS420
Martin TS420 steel spur gear with 4 diametral pitch, 20 teeth, and 20-degree pressure angle. Features a 5.500" outside diameter and weighs 21.8 lbs. Suitable for high-torque power transmission applications requiring precise tooth engagement.
Brand Martin Sprocket
Model TS420
$316.22 Each
Free Shipping orders over $100
#251858
TS832
Martin TS832 steel spur gear with 8 diametral pitch, 32 teeth, and 20-degree pressure angle. Features a 4.250" outside diameter and weighs 6.6 lbs. Suitable for power transmission applications requiring 20-degree pressure angle gears.
Brand Martin Sprocket
Model TS832
$180.00 Each
Free Shipping orders over $100