System of Measurement System of Measurement |
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Plain Bearing Type Plain Bearing Type |
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 | Thrust |
For Shaft Diameter For Shaft Diameter |
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ID ID | Show |
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ID ID | Hide |
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For Load Direction For Load Direction |
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 | Thrust |
For Screw Size For Screw Size |
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Bearing Type Bearing Type |
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 | Plain |
Lubrication Lubrication |
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Minimum Temperature Minimum Temperature |
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Maximum Temperature Maximum Temperature |
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For Shaft Type For Shaft Type |
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 | Round |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Hardness Hardness |
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Lubricant Lubricant |
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Dynamic Thrust Load Capacity Dynamic Thrust Load Capacity |
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Lubrication Method Lubrication Method |
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Shape Shape |
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| Round Tube | D-Profile |
About Plain Bearings
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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
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About Washers
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Oil-Embedded Thrust Bearings
Startup friction causes these porous bronze bearings to release a thin layer of oil on the bearing’s surface. They are also known as Oilite® bearings.
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.
| OD | Thick. | Dynamic Thrust Load Capacity | Lubrication | Lubricant | Temperature Range, °F | Each | |
For 3/8" Shaft Dia. | |||||||
|---|---|---|---|---|---|---|---|
| 3/4" | 1/32" | 640 lbs. @ 120 rpm | Lubricated | SAE 30 Oil | -35° to 300° | 00000000 | 00000 |
Easy-to-Weld 4130 Alloy Steel Round Tubes
- Yield Strength: See table
- Hardness: See table
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: See table
- Specifications Met: See table
4130 alloy steel has a low carbon content that provides good weldability. It's often used for gears, fasteners, and structural applications. These tubes meet military specifications and SAE dimensional standards.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ACTIVITY after your order ships.
| OD | OD Tolerance | ID | Yield Strength | Hardness | Maximum Hardness After Heat Treatment | Specifications Met | Straightness Tolerance | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
0.12" Wall Thick. (-0.018" to 0.018" Tolerance) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 5/8" | -0.005" to 0.005" | 0.385" | 70,000 psi | Rockwell C20 | Rockwell C49 | MIL-T-6736, SAE AMS-T-6736, SAE AMS6360 | 0.030" per 3 ft. | 000000000 | |||
Shims for D-Profile Shafts
These shims are shaped to fit over D-profile shafts. Use them to precisely align, level, and adjust spacing. They're made of carbon steel for strength and weldability.
For technical drawings and 3-D models, click on a part number.
| For Shaft Dia. | ID | ID Tolerance | OD | OD Tolerance | Flat Wd. | Material | Min. Hardness | Magnetic Properties | Pkg. Qty. | Pkg. | |
0.001" Thick (-0.0001" to 0.0001" Tolerance) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3/8" | 0.385" | -0.01" to 0.01" | 5/8" | -0.01" to 0.01" | 0.173" | 1008-1010 Carbon Steel | Rockwell B90 | Magnetic | 5 | 000000000 | 000000 |
0.003" Thick (-0.0003" to 0.0003" Tolerance) | |||||||||||
| 3/8" | 0.385" | -0.01" to 0.01" | 5/8" | -0.01" to 0.01" | 0.173" | 1008-1010 Carbon Steel | Rockwell B90 | Magnetic | 5 | 000000000 | 00000 |
0.005" Thick (-0.0005" to 0.0005" Tolerance) | |||||||||||
| 3/8" | 0.385" | -0.01" to 0.01" | 5/8" | -0.01" to 0.01" | 0.173" | 1008-1010 Carbon Steel | Rockwell B90 | Magnetic | 5 | 000000000 | 00000 |
0.01" Thick (-0.00075" to 0.00075" Tolerance) | |||||||||||
| 3/8" | 0.385" | -0.01" to 0.01" | 5/8" | -0.01" to 0.01" | 0.173" | 1008-1010 Carbon Steel | Rockwell B90 | Magnetic | 3 | 000000000 | 0000 |
0.02" Thick (-0.001" to 0.001" Tolerance) | |||||||||||
| 3/8" | 0.385" | -0.01" to 0.01" | 5/8" | -0.01" to 0.01" | 0.173" | 1008-1010 Carbon Steel | Rockwell B90 | Magnetic | 3 | 000000000 | 00000 |
0.031" Thick (-0.0015" to 0.0015" Tolerance) | |||||||||||
| 3/8" | 0.385" | -0.01" to 0.01" | 5/8" | -0.01" to 0.01" | 0.173" | 1008-1010 Carbon Steel | Rockwell B90 | Magnetic | 3 | 000000000 | 00000 |
| Each | |||||||||||
0.06" Thick (-0.003" to 0.003" Tolerance) | |||||||||||
| 3/8" | 0.385" | -0.01" to 0.01" | 5/8" | -0.01" to 0.01" | 0.173" | 1008-1010 Carbon Steel | Rockwell B60 | Magnetic | __ | 000000000 | 0000 |
1/8" Thick (-0.005" to 0.005" Tolerance) | |||||||||||
| 3/8" | 0.385" | -0.01" to 0.01" | 5/8" | -0.01" to 0.01" | 0.173" | 1008-1010 Carbon Steel | Rockwell B60 | Magnetic | __ | 000000000 | 00000 |
Shim Sets for D-Profile Shafts
Be prepared with shims in a variety of thicknesses. These shims are shaped to fit over D-profile shafts. Use them to precisely align, level, and adjust spacing. Shims are made of carbon steel for strength and weldability.
For technical drawings and 3-D models, click on a part number.
| For Shaft Dia. | ID | OD | Flat Wd. | Number of Pieces | Includes | Material | Min. Hardness | Magnetic Properties | Each | |
| 3/8" | 0.385" | 5/8" | 0.173" | 8 | One shim each in the following thicknesses: 0.001” (±0.0001"), 0.003" (±0.0003"), 0.005” (±0.0005"), 0.01" (±0.00075"), 0.02" (±0.001"), 0.031" (±0.0015"), 0.06" (±0.003"), 0.125" (±0.005") | 1008-1010 Carbon Steel | Rockwell B90 | Magnetic | 000000000 | 000000 |
Electrical-Insulating Sleeve Washers
Also known as shoulder or insulator washers, these nonmetal washers block electrical current and prevent galvanic corrosion from mating different types of metal.
Nylon 6/6 washers have good abrasion resistance. Exposure to moisture may cause them to expand.
PTFE washers have excellent chemical resistance and a slippery surface that resists wear in high-friction applications.
For technical drawings and 3-D models, click on a part number.
Temperature Range, °F | ||||||||||||
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| For Screw Size | ID | OD | Sleeve OD | Thick. | Overall Ht. | Min. | Max. | Hardness | Color | Pkg. Qty. | Pkg. | |
Nylon 6/6 Plastic | ||||||||||||
| 3/8" | 0.385" | 0.570" | 0.470" | 0.063" | 0.438" | -40° | 180° | Rockwell R108 | Off-White | 100 | 000000000 | 00000 |
| 3/8" | 0.385" | 0.750" | 0.500" | 0.060" | 0.120" | -40° | 180° | __ | Black | 100 | 000000000 | 0000 |
| 3/8" | 0.385" | 0.750" | 0.500" | 0.060" | 0.120" | -40° | 180° | Rockwell M71 | Off-White | 100 | 000000000 | 0000 |
PTFE Plastic | ||||||||||||
| 3/8" | 0.385" | 0.750" | 0.500" | 0.060" | 0.120" | Not Rated | 500° | Durometer 50D | White | 5 | 000000000 | 00000 |
Sleeve Washers for Soft Material
Reinforce holes in soft material to keep them from collapsing around screws.
Black-oxide steel washers have a corrosion-resistant exterior that's good for mostly dry environments.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | ID | OD | Sleeve OD | Thick. | Overall Ht. | Hardness | Each | |
Black-Oxide Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
| 3/8" | 0.385" | 0.750" | 0.442" | 0.115" | 0.315" | Rockwell C35 | 000000000 | 00000 |