About Plain Bearings
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Vibration-Damping Oil-Embedded Sleeve Bearings

With a flexible layer of rubber sandwiched between an oil-embedded bronze bearing and rigid metal shell, these bearings reduce wear and machinery noise. Startup friction produces a thin layer of oil on the bearing’s surface.
Note: Dynamic load capacity is the maximum load a bearing can withstand at a given shaft speed. If your application’s load and speed requirements are below the values listed, the bearing will work.
For technical drawings and 3-D models, click on a part number.
| For Housing ID | Lg. | Shell Lg. | Dynamic Radial Load Capacity | Lubrication | Lubricant | Temperature Range, °F | Each | |
841 Bearing Bronze Bearings with 304 Stainless Steel Shell and Silicone Rubber Cushion | ||||||||
|---|---|---|---|---|---|---|---|---|
For 1/4" Shaft Dia. | ||||||||
| 9/16" | 3/4" | 3/4" | 75 lbs. @ 120 rpm | Lubricated | SAE 20 Oil | -35° to 300° | 0000000 | 000000 |
For 3/8" Shaft Dia. | ||||||||
| 7/8" | 5/8" | 5/8" | 90 lbs. @ 120 rpm | Lubricated | SAE 20 Oil | -35° to 300° | 0000000 | 00000 |
For 1/2" Shaft Dia. | ||||||||
| 1" | 5/8" | 5/8" | 125 lbs. @ 120 rpm | Lubricated | SAE 20 Oil | -35° to 300° | 0000000 | 00000 |
For 5/8" Shaft Dia. | ||||||||
| 1" | 3/4" | 3/4" | 185 lbs. @ 60 rpm | Lubricated | SAE 20 Oil | -35° to 300° | 0000000 | 00000 |
For 1" Shaft Dia. | ||||||||
| 1 1/2" | 1 1/2" | 1 1/2" | 600 lbs. @ 60 rpm | Lubricated | SAE 20 Oil | -35° to 300° | 0000000 | 000000 |
For 1 1/8" Shaft Dia. | ||||||||
| 1 5/8" | 1 1/2" | 1 1/2" | 670 lbs. @ 30 rpm | Lubricated | SAE 20 Oil | -35° to 300° | 0000000 | 000000 |
For 1 1/4" Shaft Dia. | ||||||||
| 1 3/4" | 1 1/2" | 1 1/2" | 750 lbs. @ 30 rpm | Lubricated | SAE 20 Oil | -35° to 300° | 0000000 | 000000 |
For 10mm Shaft Dia. | ||||||||
| 20mm | 25mm | 25mm | 155 lbs. @ 120 rpm | Lubricated | SAE 20 Oil | -35° to 300° | 0000000 | 000000 |
For 12mm Shaft Dia. | ||||||||
| 25mm | 25mm | 25mm | 185 lbs. @ 120 rpm | Lubricated | SAE 20 Oil | -35° to 300° | 0000000 | 000000 |
For 14mm Shaft Dia. | ||||||||
| 28mm | 25mm | 25mm | 215 lbs. @ 60 rpm | Lubricated | SAE 20 Oil | -35° to 300° | 0000000 | 000000 |
For 16mm Shaft Dia. | ||||||||
| 28mm | 25mm | 25mm | 245 lbs. @ 60 rpm | Lubricated | SAE 20 Oil | -35° to 300° | 0000000 | 000000 |
For 20mm Shaft Dia. | ||||||||
| 30mm | 30mm | 30mm | 370 lbs. @ 60 rpm | Lubricated | SAE 20 Oil | -35° to 300° | 0000000 | 000000 |
For 25mm Shaft Dia. | ||||||||
| 36mm | 30mm | 30mm | 460 lbs. @ 60 rpm | Lubricated | SAE 20 Oil | -35° to 300° | 0000000 | 000000 |
High-Load Dry-Running Sleeve Bearings

with 17-4 PH Stainless
Steel Shell
A metal shell adds strength.
PTFE bearings with 17-4 PH stainless steel shell have the highest load capacity of any sleeve bearing we offer. They handle shock loads and are chemical resistant.
Note: Dynamic load capacity is the maximum load a bearing can withstand at a given shaft speed. If your application’s load and speed requirements are below the values listed, the bearing will work.
For technical drawings and 3-D models, click on a part number.
| For Housing ID | Lg. | Dynamic Radial Load Capacity | Temperature Range, °F | Specifications Met | Each | |
PTFE Plastic Bearings with 17-4 PH Stainless Steel Shell | ||||||
|---|---|---|---|---|---|---|
For 3/8" Shaft Dia. | ||||||
| 1/2" | 1/4" | 1,900 lbs. @ 40 rpm | -60° to 320° | MIL-B-81820, MIL-B-81934, SAE AS81820, SAE AS81934 | 000000 | 000000 |
| 1/2" | 3/8" | 2,850 lbs. @ 40 rpm | -60° to 320° | MIL-B-81820, MIL-B-81934, SAE AS81820, SAE AS81934 | 000000 | 00000 |
| 1/2" | 1/2" | 3,800 lbs. @ 40 rpm | -60° to 320° | MIL-B-81820, MIL-B-81934, SAE AS81820, SAE AS81934 | 000000 | 00000 |
| 1/2" | 9/16" | 4,250 lbs. @ 40 rpm | -60° to 320° | MIL-B-81820, MIL-B-81934, SAE AS81820, SAE AS81934 | 000000 | 00000 |
For 1/2" Shaft Dia. | ||||||
| 5/8" | 3/16" | 1,400 lbs. @ 40 rpm | -60° to 320° | MIL-B-81820, MIL-B-81934, SAE AS81820, SAE AS81934 | 000000 | 00000 |
| 5/8" | 11/32" | 2,600 lbs. @ 40 rpm | -60° to 320° | MIL-B-81820, MIL-B-81934, SAE AS81820, SAE AS81934 | 000000 | 00000 |
| 5/8" | 3/8" | 2,850 lbs. @ 40 rpm | -60° to 320° | MIL-B-81820, MIL-B-81934, SAE AS81820, SAE AS81934 | 000000 | 00000 |
| 5/8" | 7/16" | 3,300 lbs. @ 40 rpm | -60° to 320° | MIL-B-81820, MIL-B-81934, SAE AS81820, SAE AS81934 | 000000 | 00000 |
| 5/8" | 7/8" | 6,650 lbs. @ 40 rpm | -60° to 320° | MIL-B-81820, MIL-B-81934, SAE AS81820, SAE AS81934 | 000000 | 00000 |
For 5/8" Shaft Dia. | ||||||
| 13/16" | 5/8" | 9,500 lbs. @ 20 rpm | -60° to 320° | MIL-B-81820, MIL-B-81934, SAE AS81820, SAE AS81934 | 0000000 | 00000 |
| 13/16" | 1 1/4" | 19,050 lbs. @ 20 rpm | -60° to 320° | MIL-B-81820, MIL-B-81934, SAE AS81820, SAE AS81934 | 0000000 | 000000 |
For 11/16" Shaft Dia. | ||||||
| 7/8" | 1" | 15,250 lbs. @ 20 rpm | -60° to 320° | MIL-B-81820, MIL-B-81934, SAE AS81820, SAE AS81934 | 0000000 | 000000 |
For 3/4" Shaft Dia. | ||||||
| 15/16" | 3/4" | 11,450 lbs. @ 20 rpm | -60° to 320° | MIL-B-81820, MIL-B-81934, SAE AS81820, SAE AS81934 | 0000000 | 00000 |
For 7/8" Shaft Dia. | ||||||
| 1 1/16" | 1" | 15,250 lbs. @ 20 rpm | -60° to 320° | MIL-B-81820, MIL-B-81934, SAE AS81820, SAE AS81934 | 0000000 | 000000 |
For 1" Shaft Dia. | ||||||
| 1 3/16" | 5/8" | 9,500 lbs. @ 20 rpm | -60° to 320° | MIL-B-81820, MIL-B-81934, SAE AS81820, SAE AS81934 | 0000000 | 000000 |
| 1 3/16" | 3/4" | 11,450 lbs. @ 20 rpm | -60° to 320° | MIL-B-81820, MIL-B-81934, SAE AS81820, SAE AS81934 | 0000000 | 000000 |
| 1 3/16" | 1 1/8" | 17,150 lbs. @ 20 rpm | -60° to 320° | MIL-B-81820, MIL-B-81934, SAE AS81820, SAE AS81934 | 0000000 | 000000 |
For 1 1/4" Shaft Dia. | ||||||
| 1 7/16" | 1" | 30,550 lbs. @ 10 rpm | -60° to 320° | MIL-B-81820, MIL-B-81934, SAE AS81820, SAE AS81934 | 0000000 | 000000 |
| 1 7/16" | 1 1/2" | 45,800 lbs. @ 10 rpm | -60° to 320° | MIL-B-81820, MIL-B-81934, SAE AS81820, SAE AS81934 | 0000000 | 000000 |
Corrosion-Resistant Dry-Running Mounted Sleeve Bearings

Use these UHMW bearings in wet, corrosive environments.
Self-aligning bearings compensate for shaft misalignment.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | Center Ht. | Ht. | Lg. | Wd. | Bearing Wd. | Hole Lg. | Hole Wd. | Hole Ctr.-to-Ctr. | Dynamic Radial Load Cap. | Temp. Range, °F | Alignment Style | Each | |
UHMW Plastic Bearings with 304 Stainless Steel Housing | |||||||||||||
| 1/2" | 29/32" | 1 3/4" | 3 15/16" | 1 1/4" | 1 1/4" | 21/32" | 21/64" | 2 7/8" | 75 lbs. @ 120 rpm | -200° to 180° | Self Aligning | 0000000 | 000000 |
| 5/8" | 29/32" | 1 3/4" | 3 15/16" | 1 1/4" | 1 1/4" | 21/32" | 21/64" | 2 7/8" | 155 lbs. @ 60 rpm | -200° to 180° | Self Aligning | 0000000 | 00000 |
| 3/4" | 29/32" | 1 3/4" | 3 15/16" | 1 1/4" | 1 1/4" | 21/32" | 21/64" | 2 7/8" | 155 lbs. @ 60 rpm | -200° to 180° | Self Aligning | 0000000 | 00000 |
| 7/8" | 29/32" | 1 3/4" | 3 15/16" | 1 1/4" | 1 1/4" | 21/32" | 21/64" | 2 7/8" | 155 lbs. @ 60 rpm | -200° to 180° | Self Aligning | 0000000 | 00000 |
| 1" | 29/32" | 1 3/4" | 3 15/16" | 1 1/4" | 1 1/4" | 21/32" | 21/64" | 2 7/8" | 155 lbs. @ 60 rpm | -200° to 180° | Self Aligning | 0000000 | 00000 |
| 1 1/8" | 1 1/16" | 2 1/16" | 4 9/16" | 1 1/2" | 1 1/2" | 5/8" | 25/64" | 3 1/4" | 380 lbs. @ 30 rpm | -200° to 180° | Self Aligning | 0000000 | 00000 |
| 1 1/4" | 1 1/16" | 2 1/16" | 4 9/16" | 1 1/2" | 1 1/2" | 5/8" | 25/64" | 3 1/4" | 380 lbs. @ 30 rpm | -200° to 180° | Self Aligning | 0000000 | 00000 |
| 1 1/2" | 1 11/32" | 2 11/16" | 5 3/8" | 1 3/4" | 1 3/4" | 25/32" | 25/64" | 3 7/8" | 440 lbs. @ 30 rpm | -200° to 180° | Self Aligning | 0000000 | 000000 |
Corrosion-Resistant Press-Fit Drill Bushings

These bushings are made of stainless steel for corrosion resistance. Mount flush with jig plates for precise drilling. Drill bushings can also be used as spacers, shims, and machinery bushings.
303 stainless steel provides excellent corrosion resistance.
440C stainless steel is harder than 303 to resist wear. It provides good corrosion resistance.
Also Available: Other sizes. Please select 8504A999 and specify ID, OD, and length.
For technical drawings and 3-D models, click on a part number.
Tolerance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| OD | Lg. | For Drill Bit Size | ID | OD | Lg. | Drill Bushing Type | Hardness | Each | |
303 Stainless Steel | |||||||||
0.25" ID | |||||||||
| 3/8" | 1/4" | 1/4", E | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 0000000 |
| 3/8" | 3/8" | 1/4", E | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 3/8" | 1/2" | 1/4", E | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 3/8" | 3/4" | 1/4", E | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 1/2" | 3/8" | 1/4", E | 0.0001" to 0.0004" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 1/2" | 1/2" | 1/4", E | 0.0001" to 0.0004" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 1/2" | 3/4" | 1/4", E | 0.0001" to 0.0004" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 1/2" | 1" | 1/4", E | 0.0001" to 0.0004" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
0.3125" ID | |||||||||
| 1/2" | 1/4" | 5/16" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 1/2" | 3/8" | 5/16" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 1/2" | 1/2" | 5/16" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 1/2" | 3/4" | 5/16" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
0.375" ID | |||||||||
| 1/2" | 3/8" | 3/8" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 1/2" | 1/2" | 3/8" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 1/2" | 3/4" | 3/8" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 1/2" | 1" | 3/8" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 5/8" | 3/8" | 3/8" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 5/8" | 1/2" | 3/8" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 5/8" | 1" | 3/8" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
0.5" ID | |||||||||
| 5/8" | 3/8" | 1/2" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 5/8" | 1/2" | 1/2" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 5/8" | 3/4" | 1/2" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 5/8" | 1" | 1/2" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 3/4" | 3/8" | 1/2" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 3/4" | 1/2" | 1/2" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 3/4" | 5/8" | 1/2" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 3/4" | 3/4" | 1/2" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 3/4" | 1" | 1/2" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
0.625" ID | |||||||||
| 3/4" | 1/2" | 5/8" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 3/4" | 1" | 5/8" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 7/8" | 1/2" | 5/8" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 7/8" | 3/4" | 5/8" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 7/8" | 1" | 5/8" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
0.75" ID | |||||||||
| 7/8" | 1" | 3/4" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 1" | 1" | 3/4" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 1" | 1 1/4" | 3/4" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
1" ID | |||||||||
| 1 1/4" | 3/4" | 1" | 0.0002" to 0.0006" | 0.0017" to 0.002" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 1 1/4" | 1" | 1" | 0.0002" to 0.0006" | 0.0017" to 0.002" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 1 1/4" | 1 1/2" | 1" | 0.0002" to 0.0006" | 0.0017" to 0.002" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
| 1 3/8" | 1/2" | 1" | 0.0002" to 0.0006" | 0.0018" to 0.0022" | -0.01" to 0.01" | P | Rockwell C34 | 00000000 | 000000 |
440C Stainless Steel | |||||||||
0.25" ID | |||||||||
| 3/8" | 1/4" | 1/4", E | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 3/8" | 3/8" | 1/4", E | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 3/8" | 1/2" | 1/4", E | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 3/8" | 3/4" | 1/4", E | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 1/2" | 1/2" | 1/4", E | 0.0001" to 0.0004" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 1/2" | 3/4" | 1/4", E | 0.0001" to 0.0004" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 1/2" | 1" | 1/4", E | 0.0001" to 0.0004" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
0.3125" ID | |||||||||
| 1/2" | 1/4" | 5/16" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 1/2" | 1/2" | 5/16" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 1/2" | 3/4" | 5/16" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
0.375" ID | |||||||||
| 1/2" | 3/8" | 3/8" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 1/2" | 1/2" | 3/8" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 1/2" | 3/4" | 3/8" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 1/2" | 1" | 3/8" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 5/8" | 3/8" | 3/8" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 5/8" | 1/2" | 3/8" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 5/8" | 1" | 3/8" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
0.5" ID | |||||||||
| 5/8" | 1/2" | 1/2" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 5/8" | 3/4" | 1/2" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 5/8" | 1" | 1/2" | 0.0001" to 0.0005" | 0.0014" to 0.0017" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 3/4" | 3/8" | 1/2" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 3/4" | 1/2" | 1/2" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 3/4" | 3/4" | 1/2" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 3/4" | 1" | 1/2" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
0.625" ID | |||||||||
| 3/4" | 1/2" | 5/8" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 3/4" | 1" | 5/8" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 7/8" | 1/2" | 5/8" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 7/8" | 3/4" | 5/8" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 7/8" | 1" | 5/8" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
0.75" ID | |||||||||
| 7/8" | 1" | 3/4" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 1" | 1/2" | 3/4" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 1" | 3/4" | 3/4" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 1" | 1" | 3/4" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 1" | 1 1/4" | 3/4" | 0.0001" to 0.0005" | 0.0015" to 0.0018" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
1" ID | |||||||||
| 1 1/4" | 3/4" | 1" | 0.0002" to 0.0006" | 0.0017" to 0.002" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 1 1/4" | 1" | 1" | 0.0002" to 0.0006" | 0.0017" to 0.002" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 1 1/4" | 1 1/2" | 1" | 0.0002" to 0.0006" | 0.0017" to 0.002" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 1 3/8" | 1/2" | 1" | 0.0002" to 0.0006" | 0.0018" to 0.0022" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
| 1 3/8" | 1" | 1" | 0.0002" to 0.0006" | 0.0018" to 0.0022" | -0.01" to 0.01" | P | Rockwell C58 | 0000000 | 000000 |
Acme Lead Screws and Nuts

Found in hand-powered clamps, vises, grates, doors, and work tables, lead screws and nuts have broad, square threads that are well suited for quick assembly, high clamping forces, and lifting and lowering heavy objects. To ensure compatibility, please select components that have the same thread direction and size.
18-8 stainless steel components have good corrosion resistance.
Travel distance per turn, also known as screw lead, is the distance a nut or handle moves with one revolution of the lead screw.
For technical drawings and 3-D models, click on a part number.
Coupling nuts connect two lead screws.
| Thread Size | Ht. | Wd. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Thread Fit | Hardness | Each | |
18-8 Stainless Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/2"-10 | 1 1/4" | 5/8" | 1 | 1:1 | 0.1" | Class 2G | Not Rated | 000000000 | 000000 |
| 5/8"-8 | 2 1/8" | 7/8" | 1 | 1:1 | 0.125" | Class 2G | Not Rated | 000000000 | 00000 |
| 3/4"-5 | 2 1/4" | 1" | 1 | 1:1 | 0.2" | Class 2G | Not Rated | 000000000 | 00000 |
| 3/4"-6 | 2 1/4" | 1" | 1 | 1:1 | 0.167" | Class 2G | Not Rated | 000000000 | 00000 |
| 7/8"-6 | 2 1/2" | 1 1/4" | 1 | 1:1 | 0.167" | Class 2G | Not Rated | 000000000 | 00000 |
| 1"-5 | 2 3/4" | 1 3/8" | 1 | 1:1 | 0.2" | Class 2G | Not Rated | 000000000 | 00000 |
| 1"-6 | 2 3/4" | 1 3/8" | 1 | 1:1 | 0.167" | Class 2G | Not Rated | 000000000 | 00000 |
| 1"-10 | 2 3/4" | 1 3/8" | 1 | 1:1 | 0.1" | Class 2G | Not Rated | 000000000 | 00000 |
| 1 1/8"-5 | 3" | 1 1/2" | 1 | 1:1 | 0.2" | Class 2G | Not Rated | 000000000 | 00000 |
| 1 1/4"-4 | 3" | 1 5/8" | 1 | 1:1 | 0.25" | Class 2G | Not Rated | 000000000 | 000000 |
| 1 1/4"-5 | 3" | 1 5/8" | 1 | 1:1 | 0.2" | Class 2G | Not Rated | 000000000 | 000000 |
| 1 1/2"-4 | 3 1/2" | 2" | 1 | 1:1 | 0.25" | Class 2G | Not Rated | 000000000 | 000000 |
| 2"-4 | 4" | 3" | 1 | 1:1 | 0.25" | Class 2G | Not Rated | 000000000 | 000000 |

Hex nuts fasten and position lead screw components.
| Thread Size | Ht. | Wd. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Thread Fit | Hardness | Each | |
18-8 Stainless Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/4"-16 | 15/64" | 1/2" | 1 | 1:1 | 0.063" | Class 2G | Rockwell B97 | 000000000 | 00000 |
| 3/8"-8 | 23/64" | 11/16" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B97 | 000000000 | 00000 |
| 3/8"-10 | 23/64" | 11/16" | 1 | 1:1 | 0.1" | Class 2G | Rockwell B97 | 000000000 | 00000 |
| 3/8"-12 | 23/64" | 11/16" | 1 | 1:1 | 0.083" | Class 2G | Not Rated | 000000000 | 00000 |
| 1/2"-8 | 31/64" | 7/8" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B97 | 000000000 | 00000 |
| 1/2"-10 | 31/64" | 7/8" | 1 | 1:1 | 0.1" | Class 2G | Not Rated | 000000000 | 00000 |
| 5/8"-6 | 39/64" | 1 1/16" | 1 | 1:1 | 0.167" | Class 2G | Rockwell B97 | 000000000 | 00000 |
| 5/8"-8 | 39/64" | 1 1/16" | 1 | 1:1 | 0.125" | Class 2G | Not Rated | 000000000 | 00000 |
| 3/4"-5 | 47/64" | 1 1/4" | 1 | 1:1 | 0.2" | Class 2G | Not Rated | 000000000 | 00000 |
| 3/4"-6 | 47/64" | 1 1/4" | 1 | 1:1 | 0.167" | Class 2G | Not Rated | 000000000 | 00000 |
| 3/4"-8 | 47/64" | 1 1/4" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B97 | 000000000 | 00000 |
| 7/8"-6 | 55/64" | 1 1/2" | 1 | 1:1 | 0.167" | Class 2G | Not Rated | 000000000 | 00000 |
| 1"-4 | 63/64" | 1 5/8" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B97 | 000000000 | 00000 |
| 1"-5 | 63/64" | 1 5/8" | 1 | 1:1 | 0.2" | Class 2G | Not Rated | 000000000 | 00000 |
| 1"-6 | 63/64" | 1 5/8" | 1 | 1:1 | 0.167" | Class 2G | Not Rated | 000000000 | 00000 |
| 1"-8 | 63/64" | 1 5/8" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B97 | 000000000 | 00000 |
| 1"-10 | 63/64" | 1 5/8" | 1 | 1:1 | 0.1" | Class 2G | Not Rated | 000000000 | 00000 |
| 1 1/8"-5 | 1 7/64" | 1 3/4" | 1 | 1:1 | 0.2" | Class 2G | Not Rated | 000000000 | 00000 |
| 1 1/4"-4 | 1 1/4" | 2" | 1 | 1:1 | 0.25" | Class 2G | Not Rated | 000000000 | 00000 |
| 1 1/4"-5 | 1 7/32" | 2" | 1 | 1:1 | 0.2" | Class 2G | Not Rated | 000000000 | 00000 |
| 1 1/2"-4 | 1 15/32" | 2 1/4" | 1 | 1:1 | 0.25" | Class 2G | Not Rated | 000000000 | 00000 |
| 1 1/2"-5 | 1 1/2" | 2 1/4" | 1 | 1:1 | 0.2" | Class 2G | Rockwell B97 | 000000000 | 000000 |
| 2"-4 | 1 31/32" | 3" | 1 | 1:1 | 0.25" | Class 2G | Not Rated | 000000000 | 000000 |
| 2 1/4"-4 | 2 1/2" | 3 1/2" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B97 | 000000000 | 000000 |
| 2 1/2"-4 | 2 1/2" | 3 1/2" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B97 | 000000000 | 000000 |

Hex nuts fasten and position lead screw components.
| Thread Size | Ht. | Wd. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Thread Fit | Hardness | Each | |
18-8 Stainless Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/4"-16 | 15/64" | 1/2" | 1 | 1:1 | 0.063" | Class 2G | Rockwell B97 | 000000000 | 000000 |
| 3/8"-8 | 23/64" | 11/16" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B97 | 000000000 | 00000 |
| 3/8"-10 | 23/64" | 11/16" | 1 | 1:1 | 0.1" | Class 2G | Rockwell B97 | 000000000 | 00000 |
| 3/8"-12 | 23/64" | 11/16" | 1 | 1:1 | 0.083" | Class 2G | Not Rated | 000000000 | 00000 |
| 1/2"-8 | 31/64" | 7/8" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B97 | 000000000 | 00000 |
| 1/2"-10 | 31/64" | 7/8" | 1 | 1:1 | 0.1" | Class 2G | Not Rated | 000000000 | 00000 |
| 5/8"-6 | 39/64" | 1 1/16" | 1 | 1:1 | 0.167" | Class 2G | Rockwell B97 | 000000000 | 00000 |
| 5/8"-8 | 39/64" | 1 1/16" | 1 | 1:1 | 0.125" | Class 2G | Not Rated | 000000000 | 00000 |
| 3/4"-5 | 47/64" | 1 1/4" | 1 | 1:1 | 0.2" | Class 2G | Not Rated | 000000000 | 00000 |
| 3/4"-6 | 47/64" | 1 1/4" | 1 | 1:1 | 0.167" | Class 2G | Not Rated | 000000000 | 00000 |
| 3/4"-8 | 47/64" | 1 1/4" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B97 | 000000000 | 00000 |
| 7/8"-6 | 55/64" | 1 1/2" | 1 | 1:1 | 0.167" | Class 2G | Not Rated | 000000000 | 00000 |
| 1"-4 | 63/64" | 1 5/8" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B97 | 000000000 | 00000 |
| 1"-5 | 63/64" | 1 5/8" | 1 | 1:1 | 0.2" | Class 2G | Not Rated | 000000000 | 00000 |
| 1"-6 | 63/64" | 1 5/8" | 1 | 1:1 | 0.167" | Class 2G | Not Rated | 000000000 | 00000 |

























