category
- Open Gears 2,619
- Worm Gear Reducers 2,088
- Plain Bearings 2,065
- Sprockets 1,389
- Sheaves & Pulleys 459
- Pneumatic Cylinders 341
- Synchronous (Timing) Belts 228
- Chain 227
- Rod Ends 220
- Bevel Gear Reducers 206
- Shaft Collars 180
- Flange Units 117
- Pillow Blocks 105
- Ball Bearings 95
- Jaw Couplings 67
- AC Motors & Accessories 64
- Helical 54
- Universal Joints 44
- Roller Bearings 38
- Bearing Inserts 23
- Elastomeric Couplings 18
- Flow Controls & Pressure Regulators 15
- Mufflers & Silencers 13
- Specialty Valves 11
- Take-Ups 11
- Reducer Accessories 9
- Tensioners, Tighteners & Idlers 9
- Hydraulic Cylinders 8
- Torque Limiters & Accessories 6
- DC Motors & Accessories 2
- Hand Tools 1
InchMetric
Belt Size
No of Strands Across
Flange Type
Boston Gear
F843B-36K-B5-M1
-
mac
F843B-36K-B5-M1 | 116940825
Item #116940825
- F843B-36K-B5-M1 INLINE HELICAL SPEED REDUCER

Boston Gear
PL3-028DF090
-
mac
PL3-028DF090 | PL Series HTD Pulley
Item #101776369
- 3 mm Belt Pitch
- 9 mm Belt Width
- 28 Teeth
- 1.023" Outside Diameter
- 1/4" Stock Bore

Boston Gear
80B15-1 15/16
-
mac
80B15-1 15/16 | Finished Bore Sprocket
Item #101834667
- 80 Chain, 15 Tooth, 1.9375 in Bore, With Keyway and Setscrew

Boston Gear
18542
-
mac
18542 | Soft Steel Bushing
Item #101835835
- 1/2" ID x 5/8" OD x 3/4" Long
- Soft Steel Bushing

Boston Gear
F724-20-B7-J
-
mac
F724-20-B7-J | 700 Series C-Face Quilled Reducer
Item #101834961
- 2 3/8" Center Distance
- 20:1 Ratio
- 140TC or 180C Frame
- C-Face Quilled Input
- Right Output

Boston Gear
GA120B
-
mac
GA120B | Cast Iron Change Gear
Item #101781668
- 20 Diametral Pitch
- 120 Teeth
- 14.5 ° Pressure Angle
- 6" Pitch Diameter
- 5/8" Nominal Bore

Boston Gear
F721-20-B5-H
-
mac
F721-20-B5-H | 101809817
Item #101809817
- 2 1/16" Center Distance
- 20:1 Ratio
- 56C Frame
- C-Face Quilled Input
- Left & Right Output

Boston Gear
QSH-1
-
mac
QSH-1 | Quadruple Lead Worm
Item #101754338
- 48 Diametral Pitch
- 0.333" Pitch Diameter
- 25° Pressure Angle
- Right Hand
- Quad Lead

Boston Gear
60B15
-
mac
60B15 | B Style Sprocket
Item #101854138
- Single Strand, Number 60, Type B, 15 Teeth Roller Chain Sprocket

Boston Gear
F239S-4-B11
-
mac
F239S-4-B11 | Helical Gear Reducer
Item #101835794
- F239 Single/Red. Hollow O/P Shaft Helical Reducer, 4:1 Ratio, no Base

Boston Gear
HF715-10-B5-H-P16 | 700 Series Bostmount C-Face Quilled Reducer
Item #101795715
- 1.540" Center Distance
- 10:1 Ratio
- 56C Frame
- C-Face Quilled Input
- Hollow Output

Boston Gear
G25
-
mac
G25 | Brass Drawn Pinion Wire
Item #101752281
- 48 Diametral Pitch
- 14.5 ° Pressure Angle
- 8 Teeth
- 0.167" Pitch Diameter
- 4 ft Overall Length

Boston Gear
WA309A-100K-G
-
mac
WA309A-100K-G | 300 Series Double Reduction Parallel Reducer
Item #101455054
- .94" Center Distance
- 100:1 Ratio
- Shaft Input
- Right Output
- Parallel Worm Position

Boston Gear
HMF3-2K-B11-B9
-
mac
HMF3-2K-B11-B9 | 103833966
Item #103833966
- F05031 / HELICAL MULTIPLIER SZ3

Boston Gear
SSF726-60-B7-GS
-
mac
SSF726-60-B7-GS | 116942460
Item #116942460
- SSF726-60-B7-GS STAINLESS WORM SPEED REDUCER

Boston Gear
D1410RH
-
mac
D1410RH | Double Lead Worm Gear
Item #101810465
- 10 Diametral Pitch, 20 Teeth, 14.5 Pressure Angle, RH, Double Thread, Cast Iron Worm Gear

Boston Gear
50B16-1 1/4
-
mac
50B16-1 1/4 | Finished Bore Sprocket
Item #101836275
- 50 Chain, 16 Tooth, 1.25 in Bore, With Keyway and Setscrew

Boston Gear
HME-16
-
mac
HME-16 | Right Hand Male Rod End, Precision Grade
Item #101854658
- Male Rod End, Right Hand, Precision Grade, 1" Bore, 3/4-16 Thread, Self-Lubricating

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