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Dry-Running Sleeve Bearings
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Made of naturally slippery plastic so you’ll never have to add lubricant. They’re ideal for clean environments where you need to prevent oil drips or graphite flakes. Compared to metal bearings, they are lighter and will never rust.
With no moving parts, sleeve bearings are the simplest way to support the load of a rotating shaft while reducing friction. Also known as plain bearings.
Nylon—The most popular choice, nylon is wear resistant yet economical. Keep in mind, though, that it will swell and weaken when exposed to moisture.
Metric Press-Fit Drill Bushings
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Also known as jig bushings, these metric drill bushings fit inside fixture plate holes to precisely guide drill bits, counterbores, reamers, and other cutting tools. They improve accuracy so that your drilled holes and cuts are consistent from part to part. Known for their versatility, drill bushings are also used as spacers, shims, and machinery bushings. These bushings are made of hardened, ground steel that holds its shape and resists wear, so they last for many cycles without needing to be replaced.
All bushings have a chamfer on the outside that centers the bushing as you place it into the hole. Press into place with a manual or hydraulic press. Since the bushing is sized slightly larger than the hole for an extremely tight fit, it’ll stay put permanently. These are ANSI Type PM bushings—also known as headless bushings—which means you don’t need to counterbore the hole to mount them flush.
They also have an internal chamfer that makes it easy to insert bits, pins, and punches without damaging the bushing or misaligning tools.
Don't see the size you need? Additional sizes are available.
Both Ends—Bushings with an internal chamfer on both ends allow you to insert tools no matter which end of the bushing is inserted into the jig. However, having an internal chamfer on the bottom of your bushing may cause shavings to get caught and bind as you remove the bit.
DIN 179—DIN 179 bushings meet dimensional and material standards that make sure they're compatible with other parts and tools. Although DIN 179 is no longer an active standard, it's still a common reference point for designers.
Tolerance, mm | Each | ||||||||||||||||
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OD, mm | Lg., mm | Internal Chamfer | For Drill Bit Size, mm | For Drill Bit Size Decimal Equiv. | ID | OD | Lg. | Drill Bushing Type | Material | Hardness | Specs. Met | 1-5 | 6-11 | 12-Up | |||
30 mm ID | |||||||||||||||||
| 48 | 25 | One End | 30 | 1.1811" | 0.007 to 0.02 | 0.043 to 0.059 | -0.01 to 0.254 | PM | Steel | Rockwell C61 | — | 96990A965 | 000000 | 000000 | 000000 | ||
| 48 | 56 | One End | 30 | 1.1811" | 0.007 to 0.02 | 0.043 to 0.059 | -0.01 to 0.254 | PM | Steel | Rockwell C61 | — | 96990A967 | 00000 | 00000 | 00000 | ||
32 mm ID | |||||||||||||||||
| 48 | 25 | One End | 32 | 1.2598" | 0.025 to 0.05 | 0.017 to 0.033 | -0.2 to 0.2 | PM | Steel | Rockwell C61 | DIN 179 | 96990A593 | 00000 | 00000 | 00000 | ||
34 mm ID | |||||||||||||||||
| 48 | 25 | Both Ends | 34 | 1.3386" | 0.025 to 0.05 | 0.017 to 0.033 | -0.2 to 0.2 | PM | Steel | Rockwell C61 | — | 97060A594 | 00000 | 00000 | 00000 | ||
Flanged Screw-Clamp Bushings
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A mounting flange prevents movement during tightening. These bushings are good for shock loads. When you tighten the included screws, the bushing's inner sleeve contracts onto the shaft and the outer sleeve expands to hold your sprocket, pulley, or gear. They can be mounted on shafts with or without keyways.
For Shaft Dia., mm | OD, mm | Overall Wd., mm | Max. Torque, in·lbf | Fastener Tightening Torque, in·lbf | Includes | Each | |||
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Steel | |||||||||
| 30 | 48 | 33 | 4,500 | 90 | Clamping Screws | 1058K79 | 000000 | ||
Dry-Running Thrust Bearings
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For Shaft Dia., mm | OD, mm | Thk., mm | Dynamic Thrust Load Cap. @ Speed | Color | Temp. Range, ° F | Each | |||
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Moisture-Resistant Plastic Blend | |||||||||
| 28 | 48 | 1.5 | 195 lb. @ 30 rpm | Gray | -40 to 260 | 8920N71 | 00000 | ||
Oil-Embedded Thrust Bearings
Dry-Running Metal-Reinforced Plastic Thrust Bearings
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For Shaft Dia., mm | OD, mm | Thk., mm | Dynamic Thrust Load Cap. @ Speed | Temp. Range, ° F | Each | |||
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Steel-Backed PTFE | ||||||||
| 28 | 48 | 1.5 | 6,200 lb. @ 30 rpm | -320 to 530 | 1262N16 | 000000 | ||
Oil-Embedded Thrust Bearings for Food and Beverage
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Infused with food-grade oil, these bearings are safe for incidental contact with food. The oil is odorless, colorless, and tasteless, so they're common on food production and packaging lines. You can install and forget them since their porous surface releases oil over time. All are fabricated, lubricated, and inspected in the U.S.
If you need a bearing rated for direct contact with food, consider dry-running thrust bearings for food and beverage.
841 Bearing Bronze—A balance of strength and speed makes these bearings a good choice for most applications. Also known as SAE 841 bearing bronze.
High-Load 863 Iron Copper—Iron makes these bearings harder, stronger, and more resistant to sudden starts and stops than 841 bearing bronze. However, they run at slower speeds. The increased iron content also makes them appear silver.
Synthetic Oil Base—A high-quality lubricant makes all the difference. Synthetic oil is less sensitive to temperature changes than mineral oil, so it won't get runny and leak away if the bearing heats up.
For Shaft Dia., mm | OD, mm | Thk., mm | Dynamic Thrust Load Cap. @ Speed | Base Oil | Temp. Range, ° F | Specs. Met | Each | |||
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841 Bearing Bronze | ||||||||||
| 24 | 48 | 3 | 3,500 lb. @ 60 rpm | Synthetic Oil | -75 to 300 | FDA Compliant 21 CFR 178.3570, NSF Registered H1 | 5429T227 | 000000 | ||
| 24 | 48 | 4 | 3,500 lb. @ 60 rpm | Synthetic Oil | -75 to 300 | FDA Compliant 21 CFR 178.3570, NSF Registered H1 | 5429T228 | 00000 | ||
High-Load 863 Iron Copper | ||||||||||
| 24 | 48 | 3 | 2,450 lb. @ 60 rpm | Synthetic Oil | -75 to 300 | FDA Compliant 21 CFR 178.3570, NSF Registered H1 | 5371N127 | 00000 | ||
Metric Press-Fit Drill Bushings with Head
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Shown in Countersunk Hole | Shown in Standard Hole |
Even under extreme drilling pressure, these metric bushings won't press through your jig plate. They’re ANSI Type H bushings, also known as headed bushings. A flanged head acts as a stop, so these bushings won’t move as you push down your drill bit, reamer, or other cutting bit. Use them even in jigs made of thin or soft materials—the head adds support to protect your jig from damage caused by heavy use. Drill bushings ensure accurate, consistent cuts and drilled holes from one part to the next. They’re also used as spacers, shims, and machinery bushings. Made of hardened, ground steel, these bushings hold their shape and resist wear, so they last for many cycles without needing to be replaced.
These bushings meet DIN 172 dimensional standards. This standard is no longer active, but it’s often used as a reference point for making sure parts are compatible with other parts and tools.
To install, fit the bushing into a hole in your jig. In a standard hole, the head will sit above the jig plate; to mount flush, install in a countersunk hole. A chamfered edge on the bottom of the bushing helps center the bushing in the hole. Once it’s centered, press the bushing into the hole with a hydraulic or lever press.
Head, mm | Tolerance, mm | Each | ||||||||||||||||
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OD, mm | Lg., mm | For Drill Bit Size, mm | For Drill Bit Size Decimal Equiv. | OD | Thk. | ID | OD | Lg. | Drill Bushing Type | Material | Hardness | Specs. Met | 1-5 | 6-11 | 12-Up | |||
32 mm ID | ||||||||||||||||||
| 48 | 20 | 32 | 1.2598" | 52 | 5 | 0.025 to 0.05 | 0.017 to 0.033 | -0.2 to 0.2 | H | Steel | Rockwell C61 | DIN 172 | 96977A612 | 000000 | 000000 | 000000 | ||
35 mm ID | ||||||||||||||||||
| 48 | 20 | 35 | 1.378" | 52 | 5 | 0.025 to 0.05 | 0.017 to 0.033 | -0.2 to 0.2 | H | Steel | Rockwell C61 | DIN 172 | 96977A630 | 00000 | 00000 | 00000 | ||
| 48 | 40 | 35 | 1.378" | 52 | 5 | 0.025 to 0.05 | 0.017 to 0.033 | -0.3 to 0.3 | H | Steel | Rockwell C61 | DIN 172 | 96977A631 | 00000 | 00000 | 00000 | ||
Bearing Locknuts
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Carbon Steel |
With a nylon insert that grips your threaded shaft or spindle without damaging its threads, these locknuts—also called shaft nuts—hold bearings, bushings, gears, and pulleys prone to vibration tightly in place. They come as one piece, so you can easily clamp them onto your shaft or spindle. But, since they aren’t made entirely of metal, they don’t stand up to heat as well as all-metal locknuts. Slots in their sides mean you can tighten and loosen them with a spanner wrench or spanner socket. Their face is also chamfered to help keep the size and weight of your assembly at a minimum. All meet international standards for bearing locknut dimensions.
Carbon Steel—All carbon steel locknuts are strong and resist wear, though they don’t stand up to corrosion as well as 303 stainless steel locknuts.
303 Stainless Steel—303 stainless steel locknuts resist corrosion better than carbon steel locknuts but aren’t as strong. They withstand washdowns and chemicals.
Thread Spacing—When choosing your thread spacing, consider the precision of your application. The finer the threads, the more control you have when making adjustments.
Corrosion-Resistant Flanged Screw-Clamp Bushings
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Made from stainless steel or plated with nickel, these bushings resist corrosion. A mounting flange prevents movement during tightening. As screw-clamp bushings, they're good for shock loads. When you tighten the clamping screws, the bushing's inner sleeve tightens onto the shaft and the outer sleeve expands to hold your sprocket, pulley, or gear.
Nickel-Plated Steel—Nickel-plated steel bushings have good corrosion resistance in wet environments. However, the plating may begin to flake with long-term use.
Stainless Steel—Stainless steel bushings have excellent corrosion resistance and can withstand prolonged exposure to moisture.
Ultra-Low-Friction Oil-Embedded Thrust Bearings
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Our slipperiest metal thrust bearings glide on machines with frequent starts and stops, such as conveyors. Their oil contains nonstick PTFE particles that reduce wear and heat, extending the life of your equipment. All are fabricated, lubricated, and inspected in the U.S.
841 Bearing Bronze—A balance of strength and speed makes these bearings a good choice for most applications. Also known as SAE 841 bearing bronze.
Synthetic Oil Base—A high-quality lubricant makes all the difference. Synthetic oil is less sensitive to temperature changes than mineral oil, so it won't get runny and leak away if the bearing heats up.
